die( "This file is part of MediaWiki, it is not a valid entry point" );
}
-require_once dirname( __FILE__ ) . '/normal/UtfNormalUtil.php';
+if ( !defined( 'MW_COMPILED' ) ) {
+ require_once( dirname( __FILE__ ) . '/normal/UtfNormalUtil.php' );
+}
// Hide compatibility functions from Doxygen
/// @cond
/**
* Compatibility functions
*
- * We support PHP 5.1.x and up.
+ * We support PHP 5.2.3 and up.
* Re-implementations of newer functions or functions in non-standard
* PHP extensions may be included here.
*/
+
if( !function_exists( 'iconv' ) ) {
- # iconv support is not in the default configuration and so may not be present.
- # Assume will only ever use utf-8 and iso-8859-1.
- # This will *not* work in all circumstances.
+ /** @codeCoverageIgnore */
function iconv( $from, $to, $string ) {
- if ( substr( $to, -8 ) == '//IGNORE' ) {
- $to = substr( $to, 0, strlen( $to ) - 8 );
- }
- if( strcasecmp( $from, $to ) == 0 ) {
- return $string;
- }
- if( strcasecmp( $from, 'utf-8' ) == 0 ) {
- return utf8_decode( $string );
- }
- if( strcasecmp( $to, 'utf-8' ) == 0 ) {
- return utf8_encode( $string );
- }
- return $string;
+ return Fallback::iconv( $from, $to, $string );
}
}
if ( !function_exists( 'mb_substr' ) ) {
- /**
- * Fallback implementation for mb_substr, hardcoded to UTF-8.
- * Attempts to be at least _moderately_ efficient; best optimized
- * for relatively small offset and count values -- about 5x slower
- * than native mb_string in my testing.
- *
- * Larger offsets are still fairly efficient for Latin text, but
- * can be up to 100x slower than native if the text is heavily
- * multibyte and we have to slog through a few hundred kb.
- */
+ /** @codeCoverageIgnore */
function mb_substr( $str, $start, $count='end' ) {
- if( $start != 0 ) {
- $split = mb_substr_split_unicode( $str, intval( $start ) );
- $str = substr( $str, $split );
- }
-
- if( $count !== 'end' ) {
- $split = mb_substr_split_unicode( $str, intval( $count ) );
- $str = substr( $str, 0, $split );
- }
-
- return $str;
+ return Fallback::mb_substr( $str, $start, $count );
}
+ /** @codeCoverageIgnore */
function mb_substr_split_unicode( $str, $splitPos ) {
- if( $splitPos == 0 ) {
- return 0;
- }
-
- $byteLen = strlen( $str );
-
- if( $splitPos > 0 ) {
- if( $splitPos > 256 ) {
- // Optimize large string offsets by skipping ahead N bytes.
- // This will cut out most of our slow time on Latin-based text,
- // and 1/2 to 1/3 on East European and Asian scripts.
- $bytePos = $splitPos;
- while ( $bytePos < $byteLen && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
- ++$bytePos;
- }
- $charPos = mb_strlen( substr( $str, 0, $bytePos ) );
- } else {
- $charPos = 0;
- $bytePos = 0;
- }
-
- while( $charPos++ < $splitPos ) {
- ++$bytePos;
- // Move past any tail bytes
- while ( $bytePos < $byteLen && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
- ++$bytePos;
- }
- }
- } else {
- $splitPosX = $splitPos + 1;
- $charPos = 0; // relative to end of string; we don't care about the actual char position here
- $bytePos = $byteLen;
- while( $bytePos > 0 && $charPos-- >= $splitPosX ) {
- --$bytePos;
- // Move past any tail bytes
- while ( $bytePos > 0 && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
- --$bytePos;
- }
- }
- }
-
- return $bytePos;
+ return Fallback::mb_substr_split_unicode( $str, $splitPos );
}
}
if ( !function_exists( 'mb_strlen' ) ) {
- /**
- * Fallback implementation of mb_strlen, hardcoded to UTF-8.
- * @param string $str
- * @param string $enc optional encoding; ignored
- * @return int
- */
+ /** @codeCoverageIgnore */
function mb_strlen( $str, $enc = '' ) {
- $counts = count_chars( $str );
- $total = 0;
-
- // Count ASCII bytes
- for( $i = 0; $i < 0x80; $i++ ) {
- $total += $counts[$i];
- }
-
- // Count multibyte sequence heads
- for( $i = 0xc0; $i < 0xff; $i++ ) {
- $total += $counts[$i];
- }
- return $total;
+ return Fallback::mb_strlen( $str, $enc );
}
}
-
if( !function_exists( 'mb_strpos' ) ) {
- /**
- * Fallback implementation of mb_strpos, hardcoded to UTF-8.
- * @param $haystack String
- * @param $needle String
- * @param $offset String: optional start position
- * @param $encoding String: optional encoding; ignored
- * @return int
- */
+ /** @codeCoverageIgnore */
function mb_strpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
- $needle = preg_quote( $needle, '/' );
-
- $ar = array();
- preg_match( '/' . $needle . '/u', $haystack, $ar, PREG_OFFSET_CAPTURE, $offset );
-
- if( isset( $ar[0][1] ) ) {
- return $ar[0][1];
- } else {
- return false;
- }
+ return Fallback::mb_strpos( $haystack, $needle, $offset, $encoding );
}
+
}
if( !function_exists( 'mb_strrpos' ) ) {
- /**
- * Fallback implementation of mb_strrpos, hardcoded to UTF-8.
- * @param $haystack String
- * @param $needle String
- * @param $offset String: optional start position
- * @param $encoding String: optional encoding; ignored
- * @return int
- */
+ /** @codeCoverageIgnore */
function mb_strrpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
- $needle = preg_quote( $needle, '/' );
-
- $ar = array();
- preg_match_all( '/' . $needle . '/u', $haystack, $ar, PREG_OFFSET_CAPTURE, $offset );
-
- if( isset( $ar[0] ) && count( $ar[0] ) > 0 &&
- isset( $ar[0][count( $ar[0] ) - 1][1] ) ) {
- return $ar[0][count( $ar[0] ) - 1][1];
- } else {
- return false;
- }
+ return Fallback::mb_strrpos( $haystack, $needle, $offset, $encoding );
}
}
+
// Support for Wietse Venema's taint feature
if ( !function_exists( 'istainted' ) ) {
+ /** @codeCoverageIgnore */
function istainted( $var ) {
return 0;
}
+ /** @codeCoverageIgnore */
function taint( $var, $level = 0 ) {}
+ /** @codeCoverageIgnore */
function untaint( $var, $level = 0 ) {}
define( 'TC_HTML', 1 );
define( 'TC_SHELL', 1 );
}
/// @endcond
-
/**
* Like array_diff( $a, $b ) except that it works with two-dimensional arrays.
*/
} else {
reset( $a );
reset( $b );
- while( ( list( $keyA, $valueA ) = each( $a ) ) && ( list( $keyB, $valueB ) = each( $b ) ) ) {
+ while( ( list( , $valueA ) = each( $a ) ) && ( list( , $valueB ) = each( $b ) ) ) {
$cmp = strcmp( $valueA, $valueB );
if ( $cmp !== 0 ) {
return $cmp;
}
}
-/**
- * Seed Mersenne Twister
- * No-op for compatibility; only necessary in PHP < 4.2.0
- * @deprecated. Remove in 1.18
- */
-function wfSeedRandom() {
- wfDeprecated(__FUNCTION__);
-}
-
/**
* Get a random decimal value between 0 and 1, in a way
* not likely to give duplicate values for any realistic
function wfDebug( $text, $logonly = false ) {
global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
global $wgDebugLogPrefix, $wgShowDebug;
- static $recursion = 0;
static $cache = array(); // Cache of unoutputted messages
$text = wfDebugTimer() . $text;
if ( ( $wgDebugComments || $wgShowDebug ) && !$logonly ) {
$cache[] = $text;
- if ( !isset( $wgOut ) ) {
- return;
+ if ( isset( $wgOut ) && is_object( $wgOut ) ) {
+ // add the message and any cached messages to the output
+ array_map( array( $wgOut, 'debug' ), $cache );
+ $cache = array();
}
- if ( !StubObject::isRealObject( $wgOut ) ) {
- if ( $recursion ) {
- return;
- }
- $recursion++;
- $wgOut->_unstub();
- $recursion--;
- }
-
- // add the message and possible cached ones to the output
- array_map( array( $wgOut, 'debug' ), $cache );
- $cache = array();
}
if ( $wgDebugLogFile != '' && !$wgProfileOnly ) {
# Strip unprintables; they can switch terminal modes when binary data
}
}
+/**
+ * Get microsecond timestamps for debug logs
+ *
+ * @return string
+ */
function wfDebugTimer() {
global $wgDebugTimestamps;
if ( !$wgDebugTimestamps ) {
/**
* Send a line giving PHP memory usage.
+ *
* @param $exact Bool: print exact values instead of kilobytes (default: false)
*/
function wfDebugMem( $exact = false ) {
/**
* Log for database errors
+ *
* @param $text String: database error message.
*/
function wfLogDBError( $text ) {
*
* Can also log to TCP or UDP with the syntax udp://host:port/prefix. This will
* send lines to the specified port, prefixed by the specified prefix and a space.
+ *
+ * @param $text String
+ * @param $file String filename
*/
function wfErrorLog( $text, $file ) {
if ( substr( $file, 0, 4 ) == 'udp:' ) {
} else {
throw new MWException( __METHOD__ . ': Invalid UDP specification' );
}
+
// Clean it up for the multiplexer
if ( strval( $prefix ) !== '' ) {
$text = preg_replace( '/^/m', $prefix . ' ', $text );
+
+ // Limit to 64KB
+ if ( strlen( $text ) > 65534 ) {
+ $text = substr( $text, 0, 65534 );
+ }
+
if ( substr( $text, -1 ) != "\n" ) {
$text .= "\n";
}
+ } elseif ( strlen( $text ) > 65535 ) {
+ $text = substr( $text, 0, 65535 );
}
$sock = socket_create( $domain, SOCK_DGRAM, SOL_UDP );
$exists = file_exists( $file );
$size = $exists ? filesize( $file ) : false;
if ( !$exists || ( $size !== false && $size + strlen( $text ) < 0x7fffffff ) ) {
- error_log( $text, 3, $file );
+ file_put_contents( $file, $text, FILE_APPEND );
}
wfRestoreWarnings();
}
*/
function wfLogProfilingData() {
global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
- global $wgProfiler, $wgProfileLimit, $wgUser;
+ global $wgProfileLimit, $wgUser;
+
+ $profiler = Profiler::instance();
+
# Profiling must actually be enabled...
- if( is_null( $wgProfiler ) ) {
+ if ( $profiler->isStub() ) {
return;
}
- # Get total page request time
+
+ // Get total page request time and only show pages that longer than
+ // $wgProfileLimit time (default is 0)
$now = wfTime();
$elapsed = $now - $wgRequestTime;
- # Only show pages that longer than $wgProfileLimit time (default is 0)
- if( $elapsed <= $wgProfileLimit ) {
+ if ( $elapsed <= $wgProfileLimit ) {
+ return;
+ }
+
+ $profiler->logData();
+
+ // Check whether this should be logged in the debug file.
+ if ( $wgDebugLogFile == '' || ( $wgRequest->getVal( 'action' ) == 'raw' && !$wgDebugRawPage ) ) {
return;
}
- $prof = wfGetProfilingOutput( $wgRequestTime, $elapsed );
+
$forward = '';
- if( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
+ if ( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
$forward = ' forwarded for ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
}
- if( !empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
+ if ( !empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
$forward .= ' client IP ' . $_SERVER['HTTP_CLIENT_IP'];
}
- if( !empty( $_SERVER['HTTP_FROM'] ) ) {
+ if ( !empty( $_SERVER['HTTP_FROM'] ) ) {
$forward .= ' from ' . $_SERVER['HTTP_FROM'];
}
- if( $forward ) {
+ if ( $forward ) {
$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
}
- // Don't unstub $wgUser at this late stage just for statistics purposes
+ // Don't load $wgUser at this late stage just for statistics purposes
// FIXME: We can detect some anons even if it is not loaded. See User::getId()
- if( $wgUser->mDataLoaded && $wgUser->isAnon() ) {
+ if ( $wgUser->isItemLoaded( 'id' ) && $wgUser->isAnon() ) {
$forward .= ' anon';
}
$log = sprintf( "%s\t%04.3f\t%s\n",
gmdate( 'YmdHis' ), $elapsed,
urldecode( $wgRequest->getRequestURL() . $forward ) );
- if ( $wgDebugLogFile != '' && ( $wgRequest->getVal( 'action' ) != 'raw' || $wgDebugRawPage ) ) {
- wfErrorLog( $log . $prof, $wgDebugLogFile );
- }
+
+ wfErrorLog( $log . $profiler->getOutput(), $wgDebugLogFile );
}
/**
* Check if the wiki read-only lock file is present. This can be used to lock
* off editing functions, but doesn't guarantee that the database will not be
* modified.
+ *
* @return bool
*/
function wfReadOnly() {
/**
* Return a Language object from $langcode
+ *
* @param $langcode Mixed: either:
* - a Language object
* - code of the language to get the message for, if it is
* in many ways, especially regarding to text direction. There is lots stuff
* to fix, hence this function to keep the old behaviour unless the global
* $wgBetterDirectionality is enabled (or removed when everything works).
+ *
+ * @return Language
*/
function wfUILang() {
global $wgBetterDirectionality;
* The intention is that this function replaces all old wfMsg* functions.
* @param $key \string Message key.
* Varargs: normal message parameters.
- * @return \type{Message}
+ * @return Message
* @since 1.17
*/
function wfMessage( $key /*...*/) {
return new Message( $key, $params );
}
+/**
+ * This function accepts multiple message keys and returns a message instance
+ * for the first message which is non-empty. If all messages are empty then an
+ * instance of the first message key is returned.
+ * @param varargs: message keys
+ * @return Message
+ * @since 1.18
+ */
+function wfMessageFallback( /*...*/ ) {
+ $args = func_get_args();
+ return MWFunction::callArray( 'Message::newFallbackSequence', $args );
+}
+
/**
* Get a message from anywhere, for the current user language.
*
* This function also takes extra optional parameters (not
* shown in the function definition), which can be used to
* insert variable text into the predefined message.
+ * @return String
*/
function wfMsg( $key ) {
$args = func_get_args();
/**
* Same as above except doesn't transform the message
+ *
+ * @param $key String
+ * @return String
*/
function wfMsgNoTrans( $key ) {
$args = func_get_args();
* order to, e.g., fix a link in every possible language.
*
* @param $key String: lookup key for the message, usually
- * defined in languages/Language.php
+ * defined in languages/Language.php
+ * @return String
*/
function wfMsgForContent( $key ) {
global $wgForceUIMsgAsContentMsg;
/**
* Same as above except doesn't transform the message
+ *
+ * @param $key String
+ * @return String
*/
function wfMsgForContentNoTrans( $key ) {
global $wgForceUIMsgAsContentMsg;
/**
* Get a message from the language file, for the UI elements
+ *
+ * @deprecated in 1.18; use wfMessage()
*/
function wfMsgNoDB( $key ) {
+ wfDeprecated( __FUNCTION__ );
$args = func_get_args();
array_shift( $args );
return wfMsgReal( $key, $args, false );
/**
* Get a message from the language file, for the content
+ *
+ * @deprecated in 1.18; use wfMessage()
*/
function wfMsgNoDBForContent( $key ) {
+ wfDeprecated( __FUNCTION__ );
global $wgForceUIMsgAsContentMsg;
$args = func_get_args();
array_shift( $args );
/**
* Really get a message
+ *
* @param $key String: key to get.
* @param $args
* @param $useDB Boolean
/**
* This function provides the message source for messages to be edited which are *not* stored in the database.
- * @param $key String:
+ *
+ * @deprecated in 1.18; use wfMessage()
+ * @param $key String
*/
function wfMsgWeirdKey( $key ) {
+ wfDeprecated( __FUNCTION__ );
$source = wfMsgGetKey( $key, false, true, false );
- if ( wfEmptyMsg( $key, $source ) ) {
+ if ( wfEmptyMsg( $key ) ) {
return '';
} else {
return $source;
/**
* Fetch a message string value, but don't replace any keys yet.
+ *
* @param $key String
* @param $useDB Bool
* @param $langCode String: Code of the language to get the message for, or
* @return string
*/
function wfMsgGetKey( $key, $useDB, $langCode = false, $transform = true ) {
- global $wgMessageCache;
-
wfRunHooks( 'NormalizeMessageKey', array( &$key, &$useDB, &$langCode, &$transform ) );
- if ( !is_object( $wgMessageCache ) ) {
- throw new MWException( 'Trying to get message before message cache is initialised' );
- }
-
- $message = $wgMessageCache->get( $key, $useDB, $langCode );
+ $cache = MessageCache::singleton();
+ $message = $cache->get( $key, $useDB, $langCode );
if( $message === false ) {
$message = '<' . htmlspecialchars( $key ) . '>';
} elseif ( $transform ) {
- $message = $wgMessageCache->transform( $message );
+ $message = $cache->transform( $message );
}
return $message;
}
* @return string
*/
function wfMsgWikiHtml( $key ) {
- global $wgOut;
$args = func_get_args();
array_shift( $args );
- return wfMsgReplaceArgs( $wgOut->parse( wfMsgGetKey( $key, true ), /* can't be set to false */ true ), $args );
+ return wfMsgReplaceArgs(
+ MessageCache::singleton()->parse( wfMsgGetKey( $key, true ), null, /* can't be set to false */ true )->getText(),
+ $args );
}
/**
* <i>content</i>: fetch message for content language instead of interface
* Also can accept a single associative argument, of the form 'language' => 'xx':
* <i>language</i>: Language object or language code to fetch message for
- * (overriden by <i>content</i>), its behaviour with parser, parseinline
- * and parsemag is undefined.
+ * (overriden by <i>content</i>).
* Behavior for conflicting options (e.g., parse+parseinline) is undefined.
+ *
+ * @return String
*/
function wfMsgExt( $key, $options ) {
- global $wgOut;
-
$args = func_get_args();
array_shift( $args );
array_shift( $args );
if( in_array( 'content', $options, true ) ) {
$forContent = true;
$langCode = true;
+ $langCodeObj = null;
} elseif( array_key_exists( 'language', $options ) ) {
$forContent = false;
$langCode = wfGetLangObj( $options['language'] );
+ $langCodeObj = $langCode;
} else {
$forContent = false;
$langCode = false;
+ $langCodeObj = null;
}
$string = wfMsgGetKey( $key, /*DB*/true, $langCode, /*Transform*/false );
$string = wfMsgReplaceArgs( $string, $args );
}
+ $messageCache = MessageCache::singleton();
if( in_array( 'parse', $options, true ) ) {
- $string = $wgOut->parse( $string, true, !$forContent );
+ $string = $messageCache->parse( $string, null, true, !$forContent, $langCodeObj )->getText();
} elseif ( in_array( 'parseinline', $options, true ) ) {
- $string = $wgOut->parse( $string, true, !$forContent );
+ $string = $messageCache->parse( $string, null, true, !$forContent, $langCodeObj )->getText();
$m = array();
if( preg_match( '/^<p>(.*)\n?<\/p>\n?$/sU', $string, $m ) ) {
$string = $m[1];
}
} elseif ( in_array( 'parsemag', $options, true ) ) {
- global $wgMessageCache;
- if ( isset( $wgMessageCache ) ) {
- $string = $wgMessageCache->transform( $string,
- !$forContent,
- is_object( $langCode ) ? $langCode : null );
- }
+ $string = $messageCache->transform( $string,
+ !$forContent, $langCodeObj );
}
if ( in_array( 'escape', $options, true ) ) {
return $string;
}
-
/**
- * Just like exit() but makes a note of it.
- * Commits open transactions except if the error parameter is set
+ * Print an error message and die, returning nonzero to the shell if any. Plain die()
+ * fails to return nonzero to the shell if you pass a string. Entry points may customise
+ * this function to return a prettier error message, but implementations must not assume
+ * access to any of the usual MediaWiki infrastructure (AutoLoader, localisation, database,
+ * etc). This should not be called directly once $wgFullyInitialised is set; instead,
+ * throw an exception and let Exception.php handle whether or not it's possible to show
+ * a prettier error.
*
- * @deprecated Please return control to the caller or throw an exception. Will
- * be removed in 1.19.
- */
-function wfAbruptExit( $error = false ) {
- static $called = false;
- if ( $called ) {
- exit( -1 );
- }
- $called = true;
-
- wfDeprecated( __FUNCTION__ );
- $bt = wfDebugBacktrace();
- if( $bt ) {
- for( $i = 0; $i < count( $bt ); $i++ ) {
- $file = isset( $bt[$i]['file'] ) ? $bt[$i]['file'] : 'unknown';
- $line = isset( $bt[$i]['line'] ) ? $bt[$i]['line'] : 'unknown';
- wfDebug( "WARNING: Abrupt exit in $file at line $line\n");
- }
- } else {
- wfDebug( "WARNING: Abrupt exit\n" );
- }
-
- wfLogProfilingData();
-
- if ( !$error ) {
- wfGetLB()->closeAll();
- }
- exit( -1 );
-}
-
-/**
- * @deprecated Please return control the caller or throw an exception. Will
- * be removed in 1.19.
- */
-function wfErrorExit() {
- wfDeprecated( __FUNCTION__ );
- wfAbruptExit( true );
-}
-
-/**
- * Print a simple message and die, returning nonzero to the shell if any.
- * Plain die() fails to return nonzero to the shell if you pass a string.
* @param $msg String
*/
-function wfDie( $msg = '' ) {
- echo $msg;
- die( 1 );
+if( !function_exists( 'wfDie' ) ){
+ function wfDie( $msg = '' ) {
+ echo $msg;
+ die( 1 );
+ }
}
/**
* Fetch server name for use in error reporting etc.
* Use real server name if available, so we know which machine
* in a server farm generated the current page.
+ *
* @return string
*/
function wfHostname() {
/**
* Returns a HTML comment with the elapsed time since request.
* This method has no side effects.
+ *
* @return string
*/
function wfReportTime() {
return array_slice( debug_backtrace(), 1 );
}
+/**
+ * Get a debug backtrace as a string
+ *
+ * @return string
+ */
function wfBacktrace() {
global $wgCommandLineMode;
/**
* @todo document
+ *
+ * @param $offset Int
+ * @param $limit Int
+ * @return String
*/
function wfShowingResults( $offset, $limit ) {
global $wgLang;
/**
* @todo document
+ *
+ * @param $offset Int
+ * @param $limit Int
+ * @param $num Int
+ * @return String
*/
function wfShowingResultsNum( $offset, $limit, $num ) {
global $wgLang;
/**
* Generate (prev x| next x) (20|50|100...) type links for paging
+ *
* @param $offset String
* @param $limit Integer
* @param $link String
* @param $query String: optional URL query parameter string
* @param $atend Bool: optional param for specified if this is the last page
+ * @return String
*/
function wfViewPrevNext( $offset, $limit, $link, $query = '', $atend = false ) {
global $wgLang;
/**
* Generate links for (20|50|100...) items-per-page links
+ *
* @param $offset String
* @param $limit Integer
* @param $title Title
* @todo document
* @todo FIXME: we may want to blacklist some broken browsers
*
+ * @param $force Bool
* @return bool Whereas client accept gzip compression
*/
-function wfClientAcceptsGzip() {
+function wfClientAcceptsGzip( $force = false ) {
static $result = null;
- if ( $result === null ) {
+ if ( $result === null || $force ) {
$result = false;
if( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
# FIXME: we may want to blacklist some broken browsers
* Obtain the offset and limit values from the request string;
* used in special pages
*
- * @param $deflimit Default limit if none supplied
- * @param $optionname Name of a user preference to check against
+ * @param $deflimit Int default limit if none supplied
+ * @param $optionname String Name of a user preference to check against
* @return array
*
*/
* Escapes the given text so that it may be output using addWikiText()
* without any linking, formatting, etc. making its way through. This
* is achieved by substituting certain characters with HTML entities.
- * As required by the callers, <nowiki> is not used. It currently does
- * not filter out characters which have special meaning only at the
- * start of a line, such as "*".
+ * As required by the callers, <nowiki> is not used.
*
* @param $text String: text to be escaped
+ * @return String
*/
function wfEscapeWikiText( $text ) {
- $text = str_replace(
- array( '[', '|', ']', '\'', 'ISBN ',
- 'RFC ', '://', "\n=", '{{', '}}' ),
- array( '[', '|', ']', ''', 'ISBN ',
- 'RFC ', '://', "\n=", '{{', '}}' ),
- htmlspecialchars( $text )
- );
- return $text;
-}
-
-/**
- * @todo document
- */
-function wfQuotedPrintable( $string, $charset = '' ) {
- # Probably incomplete; see RFC 2045
- if( empty( $charset ) ) {
- global $wgInputEncoding;
- $charset = $wgInputEncoding;
- }
- $charset = strtoupper( $charset );
- $charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
-
- $illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
- $replace = $illegal . '\t ?_';
- if( !preg_match( "/[$illegal]/", $string ) ) {
- return $string;
- }
- $out = "=?$charset?Q?";
- $out .= preg_replace( "/([$replace])/e", 'sprintf("=%02X",ord("$1"))', $string );
- $out .= '?=';
- return $out;
+ $text = strtr( "\n$text", array(
+ '"' => '"', '&' => '&', "'" => ''', '<' => '<',
+ '=' => '=', '>' => '>', '[' => '[', ']' => ']',
+ '{' => '{', '|' => '|', '}' => '}',
+ "\n#" => "\n#", "\n*" => "\n*",
+ "\n:" => "\n:", "\n;" => "\n;",
+ '://' => '://', 'ISBN ' => 'ISBN ', 'RFC ' => 'RFC ',
+ ) );
+ return substr( $text, 1 );
}
-
/**
- * @todo document
- * @return float
+ * Get the current unix timetstamp with microseconds. Useful for profiling
+ * @return Float
*/
function wfTime() {
return microtime( true );
/**
* Sets dest to source and returns the original value of dest
* If source is NULL, it just returns the value, it doesn't set the variable
+ * If force is true, it will set the value even if source is NULL
+ *
+ * @param $dest Mixed
+ * @param $source Mixed
+ * @param $force Bool
+ * @return Mixed
*/
-function wfSetVar( &$dest, $source ) {
+function wfSetVar( &$dest, $source, $force = false ) {
$temp = $dest;
- if ( !is_null( $source ) ) {
+ if ( !is_null( $source ) || $force ) {
$dest = $source;
}
return $temp;
/**
* As for wfSetVar except setting a bit
+ *
+ * @param $dest Int
+ * @param $bit Int
+ * @param $state Bool
*/
function wfSetBit( &$dest, $bit, $state = true ) {
$temp = (bool)( $dest & $bit );
* This function takes two arrays as input, and returns a CGI-style string, e.g.
* "days=7&limit=100". Options in the first array override options in the second.
* Options set to "" will not be output.
+ *
+ * @param $array1 Array( String|Array )
+ * @param $array2 Array( String|Array )
+ * @return String
*/
function wfArrayToCGI( $array1, $array2 = null ) {
if ( !is_null( $array2 ) ) {
*
* Also fixes the locale problems on Linux in PHP 5.2.6+ (bug backported to
* earlier distro releases of PHP)
+ *
+ * @param varargs
+ * @return String
*/
function wfEscapeShellArg( ) {
wfInitShellLocale();
}
if ( wfIsWindows() ) {
- // Escaping for an MSVC-style command line parser
- // Ref: http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
+ // Escaping for an MSVC-style command line parser and CMD.EXE
+ // Refs:
+ // * http://web.archive.org/web/20020708081031/http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
+ // * http://technet.microsoft.com/en-us/library/cc723564.aspx
+ // * Bug #13518
+ // * CR r63214
// Double the backslashes before any double quotes. Escape the double quotes.
$tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
$arg = '';
/**
* wfMerge attempts to merge differences between three texts.
* Returns true for a clean merge and false for failure or a conflict.
+ *
+ * @param $old String
+ * @param $mine String
+ * @param $yours String
+ * @param $result String
+ * @return Bool
*/
function wfMerge( $old, $mine, $yours, &$result ) {
global $wgDiff3;
/**
* Returns unified plain-text diff of two texts.
* Useful for machine processing of diffs.
+ *
* @param $before String: the text before the changes.
* @param $after String: the text after the changes.
* @param $params String: command-line options for the diff command.
/**
* Provide a simple HTTP error.
+ *
+ * @param $code Int|String
+ * @param $label String
+ * @param $desc String
*/
function wfHttpError( $code, $label, $desc ) {
global $wgOut;
if( $status['name'] == 'ob_gzhandler' ) {
// Reset the 'Content-Encoding' field set by this handler
// so we can start fresh.
- header( 'Content-Encoding:' );
+ if ( function_exists( 'header_remove' ) ) {
+ // Available since PHP 5.3.0
+ header_remove( 'Content-Encoding' );
+ } else {
+ // We need to provide a valid content-coding. See bug 28069
+ header( 'Content-Encoding: identity' );
+ }
break;
}
}
/**
* Converts an Accept-* header into an array mapping string values to quality
* factors
+ *
+ * @param $accept String
+ * @param $def String default
+ * @return Array
*/
function wfAcceptToPrefs( $accept, $def = '*/*' ) {
# No arg means accept anything (per HTTP spec)
* Returns an array where the values in the first array are replaced by the
* values in the second array with the corresponding keys
*
+ * @param $a Array
+ * @param $b Array
* @return array
*/
function wfArrayLookup( $a, $b ) {
return array_flip( array_intersect( array_flip( $a ), array_keys( $b ) ) );
}
-/**
- * Convenience function; returns MediaWiki timestamp for the present time.
- * @return string
- */
-function wfTimestampNow() {
- # return NOW
- return wfTimestamp( TS_MW, time() );
-}
-
/**
* Reference-counted warning suppression
+ *
+ * @param $end Bool
*/
function wfSuppressWarnings( $end = false ) {
static $suppressCount = 0;
}
} else {
if ( !$suppressCount ) {
- $originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE ) );
+ // E_DEPRECATED is undefined in PHP 5.2
+ if( !defined( 'E_DEPRECATED' ) ){
+ define( 'E_DEPRECATED', 8192 );
+ }
+ $originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED ) );
}
++$suppressCount;
}
define( 'TS_DB2', 8 );
/**
- * ISO 8601 basic format with no timezone: 19860209T200000Z
- *
- * This is used by ResourceLoader
+ * ISO 8601 basic format with no timezone: 19860209T200000Z. This is used by ResourceLoader
*/
define( 'TS_ISO_8601_BASIC', 9 );
/**
+ * Get a timestamp string in one of various formats
+ *
* @param $outputtype Mixed: A timestamp in one of the supported formats, the
* function will autodetect which format is supplied and act
* accordingly.
$uts = 0;
$da = array();
$strtime = '';
-
- if ( $ts === 0 ) {
+
+ if ( !$ts ) { // We want to catch 0, '', null... but not date strings starting with a letter.
$uts = time();
$strtime = "@$uts";
} elseif ( preg_match( '/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/D', $ts, $da ) ) {
'\d\d?[ \t\r\n]*[A-Z][a-z]{2}[ \t\r\n]*\d{2}(?:\d{2})?' . # dd Mon yyyy
'[ \t\r\n]*\d\d[ \t\r\n]*:[ \t\r\n]*\d\d[ \t\r\n]*:[ \t\r\n]*\d\d/S', $ts ) ) { # hh:mm:ss
# TS_RFC2822, accepting a trailing comment. See http://www.squid-cache.org/mail-archive/squid-users/200307/0122.html / r77171
- # The regex is a superset of rfc2822 for readability
+ # The regex is a superset of rfc2822 for readability
$strtime = strtok( $ts, ';' );
} elseif ( preg_match( '/^[A-Z][a-z]{5,8}, \d\d-[A-Z][a-z]{2}-\d{2} \d\d:\d\d:\d\d/', $ts ) ) {
# TS_RFC850
# asctime
$strtime = $ts;
} else {
- # Bogus value; fall back to the epoch...
- wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
-
+ # Bogus value...
+ wfDebug("wfTimestamp() fed bogus time value: TYPE=$outputtype; VALUE=$ts\n");
+
return false;
}
-
+
static $formats = array(
TS_UNIX => 'U',
$ds = sprintf("%04d-%02d-%02dT%02d:%02d:%02d.00+00:00",
(int)$da[1], (int)$da[2], (int)$da[3],
(int)$da[4], (int)$da[5], (int)$da[6]);
-
+
$d = date_create( $ds, new DateTimeZone( 'GMT' ) );
} elseif ( $strtime ) {
$d = date_create( $strtime, new DateTimeZone( 'GMT' ) );
} else {
return false;
}
-
+
if ( !$d ) {
wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
return false;
}
-
+
$output = $d->format( $formats[$outputtype] );
} else {
if ( count( $da ) ) {
} elseif ( $strtime ) {
$uts = strtotime( $strtime );
}
-
+
if ( $uts === false ) {
wfDebug("wfTimestamp() can't parse the timestamp (non 32-bit time? Update php): $outputtype; $ts\n");
return false;
}
-
+
if ( TS_UNIX == $outputtype ) {
return $uts;
}
/**
* Return a formatted timestamp, or null if input is null.
* For dealing with nullable timestamp columns in the database.
+ *
* @param $outputtype Integer
* @param $ts String
* @return String
}
}
+/**
+ * Convenience function; returns MediaWiki timestamp for the present time.
+ *
+ * @return string
+ */
+function wfTimestampNow() {
+ # return NOW
+ return wfTimestamp( TS_MW, time() );
+}
+
/**
* Check if the operating system is Windows
*
return $isWindows;
}
+/**
+ * Check if we are running under HipHop
+ *
+ * @return Bool
+ */
+function wfIsHipHop() {
+ return function_exists( 'hphp_thread_set_warmup_enabled' );
+}
+
/**
* Swap two variables
+ *
+ * @param $x Mixed
+ * @param $y Mixed
*/
function swap( &$x, &$y ) {
$z = $x;
$y = $z;
}
-function wfGetCachedNotice( $name ) {
- global $wgOut, $wgRenderHashAppend, $parserMemc;
- $fname = 'wfGetCachedNotice';
- wfProfileIn( $fname );
-
- $needParse = false;
-
- if( $name === 'default' ) {
- // special case
- global $wgSiteNotice;
- $notice = $wgSiteNotice;
- if( empty( $notice ) ) {
- wfProfileOut( $fname );
- return false;
- }
- } else {
- $notice = wfMsgForContentNoTrans( $name );
- if( wfEmptyMsg( $name, $notice ) || $notice == '-' ) {
- wfProfileOut( $fname );
- return( false );
- }
- }
-
- // Use the extra hash appender to let eg SSL variants separately cache.
- $key = wfMemcKey( $name . $wgRenderHashAppend );
- $cachedNotice = $parserMemc->get( $key );
- if( is_array( $cachedNotice ) ) {
- if( md5( $notice ) == $cachedNotice['hash'] ) {
- $notice = $cachedNotice['html'];
- } else {
- $needParse = true;
- }
- } else {
- $needParse = true;
- }
-
- if( $needParse ) {
- if( is_object( $wgOut ) ) {
- $parsed = $wgOut->parse( $notice );
- $parserMemc->set( $key, array( 'html' => $parsed, 'hash' => md5( $notice ) ), 600 );
- $notice = $parsed;
- } else {
- wfDebug( 'wfGetCachedNotice called for ' . $name . ' with no $wgOut available' . "\n" );
- $notice = '';
- }
- }
- $notice = '<div id="localNotice">' .$notice . '</div>';
- wfProfileOut( $fname );
- return $notice;
-}
-
-function wfGetNamespaceNotice() {
- global $wgTitle;
-
- # Paranoia
- if ( !isset( $wgTitle ) || !is_object( $wgTitle ) ) {
- return '';
- }
-
- $fname = 'wfGetNamespaceNotice';
- wfProfileIn( $fname );
-
- $key = 'namespacenotice-' . $wgTitle->getNsText();
- $namespaceNotice = wfGetCachedNotice( $key );
- if ( $namespaceNotice && substr( $namespaceNotice, 0, 7 ) != '<p><' ) {
- $namespaceNotice = '<div id="namespacebanner">' . $namespaceNotice . '</div>';
- } else {
- $namespaceNotice = '';
- }
-
- wfProfileOut( $fname );
- return $namespaceNotice;
-}
-
-function wfGetSiteNotice() {
- global $wgUser;
- $fname = 'wfGetSiteNotice';
- wfProfileIn( $fname );
- $siteNotice = '';
-
- if( wfRunHooks( 'SiteNoticeBefore', array( &$siteNotice ) ) ) {
- if( is_object( $wgUser ) && $wgUser->isLoggedIn() ) {
- $siteNotice = wfGetCachedNotice( 'sitenotice' );
- } else {
- $anonNotice = wfGetCachedNotice( 'anonnotice' );
- if( !$anonNotice ) {
- $siteNotice = wfGetCachedNotice( 'sitenotice' );
- } else {
- $siteNotice = $anonNotice;
- }
- }
- if( !$siteNotice ) {
- $siteNotice = wfGetCachedNotice( 'default' );
- }
- }
-
- wfRunHooks( 'SiteNoticeAfter', array( &$siteNotice ) );
- wfProfileOut( $fname );
- return $siteNotice;
-}
-
-/**
- * BC wrapper for MimeMagic::singleton()
- * @deprecated No longer needed as of 1.17 (r68836).
- */
-function &wfGetMimeMagic() {
- wfDeprecated( __FUNCTION__ );
- return MimeMagic::singleton();
-}
-
/**
* Tries to get the system directory for temporary files. The TMPDIR, TMP, and
* TEMP environment variables are then checked in sequence, and if none are set
/**
* Increment a statistics counter
+ *
+ * @param $key String
+ * @param $count Int
*/
-function wfIncrStats( $key ) {
+function wfIncrStats( $key, $count = 1 ) {
global $wgStatsMethod;
+ $count = intval( $count );
+
if( $wgStatsMethod == 'udp' ) {
- global $wgUDPProfilerHost, $wgUDPProfilerPort, $wgDBname;
+ global $wgUDPProfilerHost, $wgUDPProfilerPort, $wgDBname, $wgAggregateStatsID;
static $socket;
+
+ $id = $wgAggregateStatsID !== false ? $wgAggregateStatsID : $wgDBname;
+
if ( !$socket ) {
$socket = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
- $statline = "stats/{$wgDBname} - 1 1 1 1 1 -total\n";
+ $statline = "stats/{$id} - {$count} 1 1 1 1 -total\n";
socket_sendto(
$socket,
$statline,
$wgUDPProfilerPort
);
}
- $statline = "stats/{$wgDBname} - 1 1 1 1 1 {$key}\n";
+ $statline = "stats/{$id} - {$count} 1 1 1 1 {$key}\n";
wfSuppressWarnings();
socket_sendto(
$socket,
} elseif( $wgStatsMethod == 'cache' ) {
global $wgMemc;
$key = wfMemcKey( 'stats', $key );
- if ( is_null( $wgMemc->incr( $key ) ) ) {
- $wgMemc->add( $key, 1 );
+ if ( is_null( $wgMemc->incr( $key, $count ) ) ) {
+ $wgMemc->add( $key, $count );
}
} else {
// Disabled
return $round ? round( $ret, $acc ) . '%' : "$ret%";
}
-/**
- * Encrypt a username/password.
- *
- * @param $userid Integer: ID of the user
- * @param $password String: password of the user
- * @return String: hashed password
- * @deprecated Use User::crypt() or User::oldCrypt() instead
- */
-function wfEncryptPassword( $userid, $password ) {
- wfDeprecated(__FUNCTION__);
- # Just wrap around User::oldCrypt()
- return User::oldCrypt( $password, $userid );
-}
-
/**
* Appends to second array if $value differs from that in $default
+ *
+ * @param $key String|Int
+ * @param $value Mixed
+ * @param $default Mixed
+ * @param $changed Array to alter
*/
function wfAppendToArrayIfNotDefault( $key, $value, $default, &$changed ) {
if ( is_null( $changed ) ) {
/**
* Since wfMsg() and co suck, they don't return false if the message key they
* looked up didn't exist but a XHTML string, this function checks for the
- * nonexistance of messages by looking at wfMsg() output
+ * nonexistance of messages by checking the MessageCache::get() result directly.
*
* @param $key String: the message key looked up
* @return Boolean True if the message *doesn't* exist.
*/
function wfEmptyMsg( $key ) {
- global $wgMessageCache;
- return $wgMessageCache->get( $key, /*useDB*/true, /*content*/false ) === false;
+ return MessageCache::singleton()->get( $key, /*useDB*/true, /*content*/false ) === false;
}
/**
*
* @param $needle String
* @param $str String
+ * @param $insensitive Boolean
* @return Boolean
*/
-function in_string( $needle, $str ) {
- return strpos( $str, $needle ) !== false;
+function in_string( $needle, $str, $insensitive = false ) {
+ $func = 'strpos';
+ if( $insensitive ) $func = 'stripos';
+
+ return $func( $str, $needle ) !== false;
}
function wfSpecialList( $page, $details ) {
*
* @param $extension String A PHP extension. The file suffix (.so or .dll)
* should be omitted
+ * @param $fileName String Name of the library, if not $extension.suffix
* @return Bool - Whether or not the extension is loaded
*/
-function wfDl( $extension ) {
+function wfDl( $extension, $fileName = null ) {
if( extension_loaded( $extension ) ) {
return true;
}
- $canDl = ( function_exists( 'dl' ) && is_callable( 'dl' )
+ $canDl = false;
+ $sapi = php_sapi_name();
+ if( version_compare( PHP_VERSION, '5.3.0', '<' ) ||
+ $sapi == 'cli' || $sapi == 'cgi' || $sapi == 'embed' )
+ {
+ $canDl = ( function_exists( 'dl' ) && is_callable( 'dl' )
&& wfIniGetBool( 'enable_dl' ) && !wfIniGetBool( 'safe_mode' ) );
+ }
if( $canDl ) {
+ $fileName = $fileName ? $fileName : $extension;
+ if( wfIsWindows() ) {
+ $fileName = 'php_' . $fileName;
+ }
wfSuppressWarnings();
- dl( $extension . '.' . PHP_SHLIB_SUFFIX );
+ dl( $fileName . '.' . PHP_SHLIB_SUFFIX );
wfRestoreWarnings();
}
return extension_loaded( $extension );
* @param $cmd String Command line, properly escaped for shell.
* @param &$retval optional, will receive the program's exit code.
* (non-zero is usually failure)
- * @param $environ Array optional environment variables which should be
+ * @param $environ Array optional environment variables which should be
* added to the executed command environment.
* @return collected stdout as a string (trailing newlines stripped)
*/
$envcmd = '';
foreach( $environ as $k => $v ) {
if ( wfIsWindows() ) {
- /* Surrounding a set in quotes (method used by wfEscapeShellArg) makes the quotes themselves
- * appear in the environment variable, so we must use carat escaping as documented in
- * http://technet.microsoft.com/en-us/library/cc723564.aspx
- * Note however that the quote isn't listed there, but is needed, and the parentheses
+ /* Surrounding a set in quotes (method used by wfEscapeShellArg) makes the quotes themselves
+ * appear in the environment variable, so we must use carat escaping as documented in
+ * http://technet.microsoft.com/en-us/library/cc723564.aspx
+ * Note however that the quote isn't listed there, but is needed, and the parentheses
* are listed there but doesn't appear to need it.
*/
- $envcmd .= "set $k=" . preg_replace( '/([&|()<>^"])/', '^\\1', $v ) . ' && ';
+ $envcmd .= "set $k=" . preg_replace( '/([&|()<>^"])/', '^\\1', $v ) . '&& ';
} else {
- /* Assume this is a POSIX shell, thus required to accept variable assignments before the command
+ /* Assume this is a POSIX shell, thus required to accept variable assignments before the command
* http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_09_01
*/
$envcmd .= "$k=" . escapeshellarg( $v ) . ' ';
}
}
$cmd = $envcmd . $cmd;
-
+
if ( wfIsWindows() ) {
if ( version_compare( PHP_VERSION, '5.3.0', '<' ) && /* Fixed in 5.3.0 :) */
( version_compare( PHP_VERSION, '5.2.1', '>=' ) || php_uname( 's' ) == 'Windows NT' ) )
* a float
*/
function wfUseMW( $req_ver ) {
- global $wgVersion;
-
- if ( version_compare( $wgVersion, (string)$req_ver, '<' ) ) {
- throw new MWException( "MediaWiki $req_ver required--this is only $wgVersion" );
+ if ( version_compare( MW_VERSION, (string)$req_ver, '<' ) ) {
+ throw new MWException( "MediaWiki $req_ver required--this is only " . MW_VERSION );
}
}
* array( 'x' ),
* array( 'y' )
* )
+ * @param varargs
+ * @return Array
*/
function wfMergeErrorArrays( /*...*/ ) {
$args = func_get_args();
/**
* Make a URL index, appropriate for the el_index field of externallinks.
+ *
+ * @param $url String
+ * @return String
*/
function wfMakeUrlIndex( $url ) {
$bits = wfParseUrl( $url );
$domainpart = '';
}
$reversedHost = $domainpart . '@' . $mailparts[0];
- } else {
+ } else if ( isset( $bits['host'] ) ) {
$reversedHost = strtolower( implode( '.', array_reverse( explode( '.', $bits['host'] ) ) ) );
+ } else {
+ // In file: URIs for instance it's common to have an empty host,
+ // which turns up as not getting a 'host' member from parse_url.
+ $reversedHost = '.';
}
// Add an extra dot to the end
// Why? Is it in wrong place in mailto links?
$index .= ':' . $bits['port'];
}
if ( isset( $bits['path'] ) ) {
+ // parse_url() removes the initial '/' from the path
+ // for file: URLs with Windows-style paths, such as
+ // file:///c:/windows/stuff. We need to add it back
+ // to keep our division between host and path properly.
+ if ( strlen( $bits['path'] ) > 0 && substr( $bits['path'], 0, 1 ) !== '/' ) {
+ $index .= '/';
+ }
$index .= $bits['path'];
} else {
$index .= '/';
/**
* Do any deferred updates and clear the list
- * TODO: This could be in Wiki.php if that class made any sense at all
+ *
+ * @param $commit String: set to 'commit' to commit after every update to
+ * prevent lock contention
*/
-function wfDoUpdates() {
- global $wgPostCommitUpdateList, $wgDeferredUpdateList;
- foreach ( $wgDeferredUpdateList as $update ) {
- $update->doUpdate();
+function wfDoUpdates( $commit = '' ) {
+ global $wgDeferredUpdateList;
+
+ wfProfileIn( __METHOD__ );
+
+ // No need to get master connections in case of empty updates array
+ if ( !count( $wgDeferredUpdateList ) ) {
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ $doCommit = $commit == 'commit';
+ if ( $doCommit ) {
+ $dbw = wfGetDB( DB_MASTER );
}
- foreach ( $wgPostCommitUpdateList as $update ) {
+
+ foreach ( $wgDeferredUpdateList as $update ) {
$update->doUpdate();
+
+ if ( $doCommit && $dbw->trxLevel() ) {
+ $dbw->commit();
+ }
}
+
$wgDeferredUpdateList = array();
- $wgPostCommitUpdateList = array();
+ wfProfileOut( __METHOD__ );
}
/**
// Decode and validate input string
$input = strtolower( $input );
for( $i = 0; $i < strlen( $input ); $i++ ) {
- $n = strpos( $digitChars, $input{$i} );
+ $n = strpos( $digitChars, $input[$i] );
if( $n === false || $n > $sourceBase ) {
return false;
}
/**
* Create an object with a given name and an array of construct parameters
+ *
* @param $name String
* @param $p Array: parameters
+ * @deprecated since 1.18
*/
function wfCreateObject( $name, $p ) {
- $p = array_values( $p );
- switch ( count( $p ) ) {
- case 0:
- return new $name;
- case 1:
- return new $name( $p[0] );
- case 2:
- return new $name( $p[0], $p[1] );
- case 3:
- return new $name( $p[0], $p[1], $p[2] );
- case 4:
- return new $name( $p[0], $p[1], $p[2], $p[3] );
- case 5:
- return new $name( $p[0], $p[1], $p[2], $p[3], $p[4] );
- case 6:
- return new $name( $p[0], $p[1], $p[2], $p[3], $p[4], $p[5] );
- default:
- throw new MWException( 'Too many arguments to construtor in wfCreateObject' );
- }
+ return MWFunction::newObj( $name, $p );
}
function wfHttpOnlySafe() {
global $wgHttpOnlyBlacklist;
- if( !version_compare( '5.2', PHP_VERSION, '<' ) ) {
- return false;
- }
if( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
foreach( $wgHttpOnlyBlacklist as $regex ) {
/**
* Initialise php session
+ *
+ * @param $sessionId Bool
*/
function wfSetupSession( $sessionId = false ) {
global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain,
$wgCookieSecure, $wgCookieHttpOnly, $wgSessionHandler;
if( $wgSessionsInMemcached ) {
- require_once( 'MemcachedSessions.php' );
+ if ( !defined( 'MW_COMPILED' ) ) {
+ global $IP;
+ require_once( "$IP/includes/cache/MemcachedSessions.php" );
+ }
+ session_set_save_handler( 'memsess_open', 'memsess_close', 'memsess_read',
+ 'memsess_write', 'memsess_destroy', 'memsess_gc' );
+
+ // It's necessary to register a shutdown function to call session_write_close(),
+ // because by the time the request shutdown function for the session module is
+ // called, $wgMemc has already been destroyed. Shutdown functions registered
+ // this way are called before object destruction.
+ register_shutdown_function( 'memsess_write_close' );
} elseif( $wgSessionHandler && $wgSessionHandler != ini_get( 'session.save_handler' ) ) {
# Only set this if $wgSessionHandler isn't null and session.save_handler
# hasn't already been set to the desired value (that causes errors)
ini_set( 'session.save_handler', $wgSessionHandler );
}
- $httpOnlySafe = wfHttpOnlySafe();
+ $httpOnlySafe = wfHttpOnlySafe() && $wgCookieHttpOnly;
wfDebugLog( 'cookie',
'session_set_cookie_params: "' . implode( '", "',
array(
$wgCookiePath,
$wgCookieDomain,
$wgCookieSecure,
- $httpOnlySafe && $wgCookieHttpOnly ) ) . '"' );
- if( $httpOnlySafe && $wgCookieHttpOnly ) {
- session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $wgCookieHttpOnly );
- } else {
- // PHP 5.1 throws warnings if you pass the HttpOnly parameter for 5.2.
- session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
- }
+ $httpOnlySafe ) ) . '"' );
+ session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure, $httpOnlySafe );
session_cache_limiter( 'private, must-revalidate' );
if ( $sessionId ) {
session_id( $sessionId );
/**
* Get an object from the precompiled serialized directory
*
+ * @param $name String
* @return Mixed: the variable on success, false on failure
*/
function wfGetPrecompiledData( $name ) {
return false;
}
+/**
+ * Get the name of the function which called this function
+ *
+ * @param $level Int
+ * @return Bool|string
+ */
function wfGetCaller( $level = 2 ) {
$backtrace = wfDebugBacktrace();
if ( isset( $backtrace[$level] ) ) {
*
* @param $limit The maximum depth of the stack frame to return, or false for
* the entire stack.
+ * @return String
*/
function wfGetAllCallers( $limit = 3 ) {
$trace = array_reverse( wfDebugBacktrace() );
/**
* Return a string representation of frame
+ *
+ * @param $frame Array
+ * @return Bool
*/
function wfFormatStackFrame( $frame ) {
return isset( $frame['class'] ) ?
/**
* Get a cache key
+ *
+ * @param varargs
+ * @return String
*/
function wfMemcKey( /*... */ ) {
$args = func_get_args();
/**
* Get a cache key for a foreign DB
+ *
+ * @param $db String
+ * @param $prefix String
+ * @param varargs String
+ * @return String
*/
function wfForeignMemcKey( $db, $prefix /*, ... */ ) {
$args = array_slice( func_get_args(), 2 );
/**
* Get an ASCII string identifying this wiki
* This is used as a prefix in memcached keys
+ *
+ * @return String
*/
function wfWikiID() {
global $wgDBprefix, $wgDBname;
/**
* Split a wiki ID into DB name and table prefix
+ *
+ * @param $wiki String
+ * @param $bits String
*/
function wfSplitWikiID( $wiki ) {
$bits = explode( '-', $wiki, 2 );
/**
* Get a Database object.
+ *
* @param $db Integer: index of the connection to get. May be DB_MASTER for the
* master (for write queries), DB_SLAVE for potentially lagged read
* queries, or an integer >= 0 for a particular server.
/**
* Get the load balancer factory object
+ *
+ * @return LBFactory
*/
function &wfGetLBFactory() {
return LBFactory::singleton();
/**
* Find a file.
* Shortcut for RepoGroup::singleton()->findFile()
+ *
* @param $title String or Title object
* @param $options Associative array of options:
* time: requested time for an archived image, or false for the
/**
* Get an object referring to a locally registered file.
* Returns a valid placeholder object if the file does not exist.
- * @param $title Either a string or Title object
+ *
+ * @param $title Title or String
* @return File, or null if passed an invalid Title
*/
function wfLocalFile( $title ) {
* Should low-performance queries be disabled?
*
* @return Boolean
+ * @codeCoverageIgnore
*/
function wfQueriesMustScale() {
global $wgMiserMode;
/**
* Load an extension messages file
- * @deprecated in 1.16 (warnings in 1.18, removed in ?)
+ *
+ * @deprecated in 1.16, warnings in 1.18, remove in 1.20
+ * @codeCoverageIgnore
*/
-function wfLoadExtensionMessages( $extensionName, $langcode = false ) {
+function wfLoadExtensionMessages() {
+ wfDeprecated( __FUNCTION__ );
}
/**
- * Get a platform-independent path to the null file, e.g.
- * /dev/null
+ * Get a platform-independent path to the null file, e.g. /dev/null
*
* @return string
*/
: '/dev/null';
}
-/**
- * Displays a maxlag error
- *
- * @param $host String: server that lags the most
- * @param $lag Integer: maxlag (actual)
- * @param $maxLag Integer: maxlag (requested)
- */
-function wfMaxlagError( $host, $lag, $maxLag ) {
- global $wgShowHostnames;
- header( 'HTTP/1.1 503 Service Unavailable' );
- header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
- header( 'X-Database-Lag: ' . intval( $lag ) );
- header( 'Content-Type: text/plain' );
- if( $wgShowHostnames ) {
- echo "Waiting for $host: $lag seconds lagged\n";
- } else {
- echo "Waiting for a database server: $lag seconds lagged\n";
- }
-}
-
/**
* Throws a warning that $function is deprecated
+ *
* @param $function String
* @return null
*/
}
/**
- * Sleep until the worst slave's replication lag is less than or equal to
- * $maxLag, in seconds. Use this when updating very large numbers of rows, as
+ * Modern version of wfWaitForSlaves(). Instead of looking at replication lag
+ * and waiting for it to go down, this waits for the slaves to catch up to the
+ * master position. Use this when updating very large numbers of rows, as
* in maintenance scripts, to avoid causing too much lag. Of course, this is
* a no-op if there are no slaves.
- *
- * Every time the function has to wait for a slave, it will print a message to
- * that effect (and then sleep for a little while), so it's probably not best
- * to use this outside maintenance scripts in its present form.
- *
- * @param $maxLag Integer
+ *
+ * @param $maxLag Integer (deprecated)
* @param $wiki mixed Wiki identifier accepted by wfGetLB
* @return null
*/
-function wfWaitForSlaves( $maxLag, $wiki = false ) {
- if( $maxLag ) {
- $lb = wfGetLB( $wiki );
- list( $host, $lag ) = $lb->getMaxLag( $wiki );
- while( $lag > $maxLag ) {
- wfSuppressWarnings();
- $name = gethostbyaddr( $host );
- wfRestoreWarnings();
- if( $name !== false ) {
- $host = $name;
- }
- print "Waiting for $host (lagged $lag seconds)...\n";
- sleep( $maxLag );
- list( $host, $lag ) = $lb->getMaxLag();
- }
+function wfWaitForSlaves( $maxLag = false, $wiki = false ) {
+ $lb = wfGetLB( $wiki );
+ // bug 27975 - Don't try to wait for slaves if there are none
+ // Prevents permission error when getting master position
+ if ( $lb->getServerCount() > 1 ) {
+ $dbw = $lb->getConnection( DB_MASTER );
+ $pos = $dbw->getMasterPos();
+ $lb->waitForAll( $pos );
}
}
/**
- * Output some plain text in command-line mode or in the installer (updaters.inc).
- * Do not use it in any other context, its behaviour is subject to change.
+ * Used to be used for outputting text in the installer/updater
+ * @deprecated Warnings in 1.19, removal in 1.20
*/
function wfOut( $s ) {
+ wfDeprecated( __METHOD__ );
global $wgCommandLineMode;
if ( $wgCommandLineMode && !defined( 'MEDIAWIKI_INSTALL' ) ) {
echo $s;
/**
* Count down from $n to zero on the terminal, with a one-second pause
* between showing each number. For use in command-line scripts.
+ * @codeCoverageIgnore
*/
function wfCountDown( $n ) {
for ( $i = $n; $i >= 0; $i-- ) {
* Generate a random 32-character hexadecimal token.
* @param $salt Mixed: some sort of salt, if necessary, to add to random
* characters before hashing.
+ * @return Array
+ * @codeCoverageIgnore
*/
function wfGenerateToken( $salt = '' ) {
$salt = serialize( $salt );
/**
* Replace all invalid characters with -
+ *
* @param $name Mixed: filename to process
+ * @return String
*/
function wfStripIllegalFilenameChars( $name ) {
global $wgIllegalFileChars;
/**
* Insert array into another array after the specified *KEY*
+ *
* @param $array Array: The array.
* @param $insert Array: The array to insert.
* @param $after Mixed: The key to insert after
+ * @return Array
*/
function wfArrayInsertAfter( $array, $insert, $after ) {
// Find the offset of the element to insert after.
return $output;
}
-/* Recursively converts the parameter (an object) to an array with the same data */
-function wfObjectToArray( $object, $recursive = true ) {
+/**
+ * Recursively converts the parameter (an object) to an array with the same data
+ *
+ * @param $objOrArray Object|Array
+ * @param $recursive Bool
+ * @return Array
+ */
+function wfObjectToArray( $objOrArray, $recursive = true ) {
$array = array();
- foreach ( get_object_vars( $object ) as $key => $value ) {
- if ( is_object( $value ) && $recursive ) {
+ if( is_object( $objOrArray ) ) {
+ $objOrArray = get_object_vars( $objOrArray );
+ }
+ foreach ( $objOrArray as $key => $value ) {
+ if ( $recursive && ( is_object( $value ) || is_array( $value ) ) ) {
$value = wfObjectToArray( $value );
}
/**
* Set PHP's memory limit to the larger of php.ini or $wgMemoryLimit;
+ *
* @return Integer value memory was set to.
*/
function wfMemoryLimit() {
/**
* Converts shorthand byte notation to integer form
+ *
* @param $string String
* @return Integer
*/
/**
* Get the normalised IETF language tag
+ * See unit test for examples.
+ *
* @param $code String: The language code.
* @return $langCode String: The language code which complying with BCP 47 standards.
*/
function wfBCP47( $code ) {
$codeSegment = explode( '-', $code );
+ $codeBCP = array();
foreach ( $codeSegment as $segNo => $seg ) {
if ( count( $codeSegment ) > 0 ) {
+ // when previous segment is x, it is a private segment and should be lc
+ if( $segNo > 0 && strtolower( $codeSegment[($segNo - 1)] ) == 'x') {
+ $codeBCP[$segNo] = strtolower( $seg );
// ISO 3166 country code
- if ( ( strlen( $seg ) == 2 ) && ( $segNo > 0 ) ) {
+ } elseif ( ( strlen( $seg ) == 2 ) && ( $segNo > 0 ) ) {
$codeBCP[$segNo] = strtoupper( $seg );
// ISO 15924 script code
} elseif ( ( strlen( $seg ) == 4 ) && ( $segNo > 0 ) ) {
- $codeBCP[$segNo] = ucfirst( $seg );
+ $codeBCP[$segNo] = ucfirst( strtolower( $seg ) );
// Use lowercase for other cases
} else {
$codeBCP[$segNo] = strtolower( $seg );
return $langCode;
}
+/**
+ * Wrapper around array_map() which also taints variables
+ *
+ * @param $function Callback
+ * @param $input Array
+ * @return Array
+ */
function wfArrayMap( $function, $input ) {
$ret = array_map( $function, $input );
foreach ( $ret as $key => $value ) {
return $ret;
}
+
/**
- * Returns the PackageRepository object for interaction with the package repository.
- *
- * TODO: Make the repository type also configurable.
- *
- * @since 1.17
- *
- * @return PackageRepository
+ * Get a cache object.
+ *
+ * @param integer $inputType Cache type, one the the CACHE_* constants.
+ * @return BagOStuff
*/
-function wfGetRepository() {
- global $wgRepositoryApiLocation;
- static $repository = false;
-
- if ( $repository === false ) {
- $repository = new DistributionRepository( $wgRepositoryApiLocation );
- }
-
- return $repository;
+function wfGetCache( $inputType ) {
+ return ObjectCache::getInstance( $inputType );
+}
+
+/**
+ * Get the main cache object
+ *
+ * @return BagOStuff
+ */
+function wfGetMainCache() {
+ global $wgMainCacheType;
+ return ObjectCache::getInstance( $wgMainCacheType );
}
+
+/**
+ * Get the cache object used by the message cache
+ *
+ * @return BagOStuff
+ */
+function wfGetMessageCacheStorage() {
+ global $wgMessageCacheType;
+ return ObjectCache::getInstance( $wgMessageCacheType );
+}
+
+/**
+ * Get the cache object used by the parser cache
+ *
+ * @return BagOStuff
+ */
+function wfGetParserCacheStorage() {
+ global $wgParserCacheType;
+ return ObjectCache::getInstance( $wgParserCacheType );
+}
+