* 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.
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.
- */
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 );
}
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
- */
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
- */
+
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
- */
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' ) ) {
function istainted( $var ) {
/// @endcond
+
/**
* Like array_diff( $a, $b ) except that it works with two-dimensional arrays.
*/
}
}
-/**
- * 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 ( !StubObject::isRealObject( $wgOut ) ) {
- if ( $recursion ) {
- return;
- }
- $recursion++;
- $wgOut->_unstub();
- $recursion--;
+ if ( isset( $wgOut ) && StubObject::isRealObject( $wgOut ) ) {
+ // add the message and any cached messages to the output
+ array_map( array( $wgOut, 'debug' ), $cache );
+ $cache = array();
}
-
- // 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
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.
+ * Varargs: message keys
+ * @return \type{Message}
+ * @since 1.18
+ */
+function wfMessageFallback( /*...*/ ) {
+ $args = func_get_args();
+ return call_user_func_array( array( 'Message', 'newFallbackSequence' ), $args );
+}
+
/**
* Get a message from anywhere, for the current user language.
*
* <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
+ * (overriden by <i>content</i>), its behaviour with parse, parseinline
* and parsemag is undefined.
* Behavior for conflicting options (e.g., parse+parseinline) is undefined.
*/
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 );
}
if( in_array( 'parse', $options, true ) ) {
- $string = $wgOut->parse( $string, true, !$forContent );
+ $string = $wgOut->parse( $string, true, !$forContent, $langCodeObj );
} elseif ( in_array( 'parseinline', $options, true ) ) {
- $string = $wgOut->parse( $string, true, !$forContent );
+ $string = $wgOut->parse( $string, true, !$forContent, $langCodeObj );
$m = array();
if( preg_match( '/^<p>(.*)\n?<\/p>\n?$/sU', $string, $m ) ) {
$string = $m[1];
global $wgMessageCache;
if ( isset( $wgMessageCache ) ) {
$string = $wgMessageCache->transform( $string,
- !$forContent,
- is_object( $langCode ) ? $langCode : null );
+ !$forContent, $langCodeObj );
}
}
*
* @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
*/
function wfEscapeWikiText( $text ) {
$text = str_replace(
- array( '[', '|', ']', '\'', 'ISBN ',
+ array( '[', '|', ']', '\'', 'ISBN ',
'RFC ', '://', "\n=", '{{', '}}' ),
- array( '[', '|', ']', ''', 'ISBN ',
+ 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 $out;
-}
-
-
/**
* @todo document
* @return float
/**
* Sets dest to source and returns the original value of dest
* If source is NULL, it just returns the value, it doesn't set the variable
+ * If force is true, it will set the value even if source is NULL
*/
-function wfSetVar( &$dest, $source ) {
+function wfSetVar( &$dest, $source, $force = false ) {
$temp = $dest;
- if ( !is_null( $source ) ) {
+ if ( !is_null( $source ) || $force ) {
$dest = $source;
}
return $temp;
}
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 = '';
$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 false;
}
} else {
- $notice = wfMsgForContentNoTrans( $name );
- if( wfEmptyMsg( $name, $notice ) || $notice == '-' ) {
+ $msg = wfMessage( $name )->inContentLanguage();
+ if( $msg->isDisabled() ) {
wfProfileOut( $fname );
return( false );
}
+ $notice = $msg->plain();
}
// Use the extra hash appender to let eg SSL variants separately cache.
/**
* BC wrapper for MimeMagic::singleton()
- * @deprecated No longer needed as of 1.17 (r68836).
+ * @deprecated No longer needed as of 1.17 (r68836). Remove in 1.19.
*/
function &wfGetMimeMagic() {
wfDeprecated( __FUNCTION__ );
*
* @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 $cmd String Command line, properly escaped for shell.
* @param &$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' ) )
/**
* 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__ );
}
/**
* Create an object with a given name and an array of construct parameters
* @param $name String
* @param $p Array: parameters
+ * @deprecated
*/
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() {
/**
* Get the load balancer factory object
+ * @return LBFactory
*/
function &wfGetLBFactory() {
return LBFactory::singleton();
/**
* Get an object referring to a locally registered file.
* Returns a valid placeholder object if the file does not exist.
- * @param $title Title|String
+ * @param $title Title or String
* @return File, or null if passed an invalid Title
*/
function wfLocalFile( $title ) {
/**
* 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
*/
function wfLoadExtensionMessages( $extensionName, $langcode = false ) {
+ wfDeprecated( __FUNCTION__ );
}
/**
}
/**
- * 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 ) {
global $wgCommandLineMode;
}
return $ret;
}
-
-/**
- * Returns the PackageRepository object for interaction with the package repository.
- *
- * TODO: Make the repository type also configurable.
- *
- * @since 1.17
- *
- * @return PackageRepository
- */
-function wfGetRepository() {
- global $wgRepositoryApiLocation;
- static $repository = false;
-
- if ( $repository === false ) {
- $repository = new DistributionRepository( $wgRepositoryApiLocation );
- }
-
- return $repository;
-}