<?php
-/**
- * Global functions used everywhere
- * @package MediaWiki
- */
-
-/**
- * Some globals and requires needed
- */
+if ( !defined( 'MEDIAWIKI' ) ) {
+ die( "This file is part of MediaWiki, it is not a valid entry point" );
+}
/**
- * Total number of articles
- * @global integer $wgNumberOfArticles
- */
-$wgNumberOfArticles = -1; # Unset
-/**
- * Total number of views
- * @global integer $wgTotalViews
- */
-$wgTotalViews = -1;
-/**
- * Total number of edits
- * @global integer $wgTotalEdits
+ * Global functions used everywhere
*/
-$wgTotalEdits = -1;
-
-require_once( 'DatabaseFunctions.php' );
-require_once( 'UpdateClasses.php' );
-require_once( 'LogPage.php' );
-require_once( 'normal/UtfNormalUtil.php' );
-require_once( 'XmlFunctions.php' );
+require_once dirname(__FILE__) . '/LogPage.php';
+require_once dirname(__FILE__) . '/normal/UtfNormalUtil.php';
+require_once dirname(__FILE__) . '/XmlFunctions.php';
/**
* Compatibility functions
- * PHP <4.3.x is not actively supported; 4.1.x and 4.2.x might or might not work.
- * <4.1.x will not work, as we use a number of features introduced in 4.1.0
- * such as the new autoglobals.
+ *
+ * We more or less support PHP 5.0.x 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.
}
}
-if( !function_exists('file_get_contents') ) {
- # Exists in PHP 4.3.0+
- function file_get_contents( $filename ) {
- return implode( '', file( $filename ) );
- }
-}
-
-if( !function_exists('is_a') ) {
- # Exists in PHP 4.2.0+
- function is_a( $object, $class_name ) {
- return
- (strcasecmp( get_class( $object ), $class_name ) == 0) ||
- is_subclass_of( $object, $class_name );
- }
-}
-
# UTF-8 substr function based on a PHP manual comment
if ( !function_exists( 'mb_substr' ) ) {
function mb_substr( $str, $start ) {
+ $ar = array();
preg_match_all( '/./us', $str, $ar );
if( func_num_args() >= 3 ) {
}
}
-if( !function_exists( 'floatval' ) ) {
+if ( !function_exists( 'mb_strlen' ) ) {
/**
- * First defined in PHP 4.2.0
- * @param mixed $var;
- * @return float
+ * Fallback implementation of mb_strlen, hardcoded to UTF-8.
+ * @param string $str
+ * @param string $enc optional encoding; ignored
+ * @return int
*/
- function floatval( $var ) {
- return (float)$var;
+ 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;
}
}
*/
function array_diff_key( $left, $right ) {
$result = $left;
- foreach ( $left as $key => $value ) {
+ foreach ( $left as $key => $unused ) {
if ( isset( $right[$key] ) ) {
unset( $result[$key] );
}
}
}
-
/**
- * Wrapper for clone() for PHP 4, for the moment.
- * PHP 5 won't let you declare a 'clone' function, even conditionally,
- * so it has to be a wrapper with a different name.
+ * Like array_diff( $a, $b ) except that it works with two-dimensional arrays.
*/
-function wfClone( $object ) {
- // WARNING: clone() is not a function in PHP 5, so function_exists fails.
- if( version_compare( PHP_VERSION, '5.0' ) < 0 ) {
- return $object;
+function wfArrayDiff2( $a, $b ) {
+ return array_udiff( $a, $b, 'wfArrayDiff2_cmp' );
+}
+function wfArrayDiff2_cmp( $a, $b ) {
+ if ( !is_array( $a ) ) {
+ return strcmp( $a, $b );
+ } elseif ( count( $a ) !== count( $b ) ) {
+ return count( $a ) < count( $b ) ? -1 : 1;
} else {
- return clone( $object );
+ reset( $a );
+ reset( $b );
+ while( ( list( $keyA, $valueA ) = each( $a ) ) && ( list( $keyB, $valueB ) = each( $b ) ) ) {
+ $cmp = strcmp( $valueA, $valueB );
+ if ( $cmp !== 0 ) {
+ return $cmp;
+ }
+ }
+ return 0;
}
}
/**
- * Where as we got a random seed
- * @var bool $wgTotalViews
+ * Wrapper for clone(), for compatibility with PHP4-friendly extensions.
+ * PHP 5 won't let you declare a 'clone' function, even conditionally,
+ * so it has to be a wrapper with a different name.
*/
-$wgRandomSeeded = false;
+function wfClone( $object ) {
+ return clone( $object );
+}
/**
* Seed Mersenne Twister
- * Only necessary in PHP < 4.2.0
- *
- * @return bool
+ * No-op for compatibility; only necessary in PHP < 4.2.0
*/
function wfSeedRandom() {
- global $wgRandomSeeded;
-
- if ( ! $wgRandomSeeded && version_compare( phpversion(), '4.2.0' ) < 0 ) {
- $seed = hexdec(substr(md5(microtime()),-8)) & 0x7fffffff;
- mt_srand( $seed );
- $wgRandomSeeded = true;
- }
+ /* No-op */
}
/**
function wfRandom() {
# The maximum random value is "only" 2^31-1, so get two random
# values to reduce the chance of dupes
- $max = mt_getrandmax();
+ $max = mt_getrandmax() + 1;
$rand = number_format( (mt_rand() * $max + mt_rand())
/ $max / $max, 12, '.', '' );
return $rand;
*/
function wfDebug( $text, $logonly = false ) {
global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
+ static $recursion = 0;
# Check for raw action using $_GET not $wgRequest, since the latter might not be initialised yet
if ( isset( $_GET['action'] ) && $_GET['action'] == 'raw' && !$wgDebugRawPage ) {
return;
}
- if ( isset( $wgOut ) && $wgDebugComments && !$logonly ) {
+ if ( $wgDebugComments && !$logonly ) {
+ if ( !isset( $wgOut ) ) {
+ return;
+ }
+ if ( !StubObject::isRealObject( $wgOut ) ) {
+ if ( $recursion ) {
+ return;
+ }
+ $recursion++;
+ $wgOut->_unstub();
+ $recursion--;
+ }
$wgOut->debug( $text );
}
if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
# Strip unprintables; they can switch terminal modes when binary data
# gets dumped, which is pretty annoying.
$text = preg_replace( '![\x00-\x08\x0b\x0c\x0e-\x1f]!', ' ', $text );
- @error_log( $text, 3, $wgDebugLogFile );
+ wfErrorLog( $text, $wgDebugLogFile );
}
}
* log file is specified, (default true)
*/
function wfDebugLog( $logGroup, $text, $public = true ) {
- global $wgDebugLogGroups, $wgDBname;
+ global $wgDebugLogGroups;
if( $text{strlen( $text ) - 1} != "\n" ) $text .= "\n";
if( isset( $wgDebugLogGroups[$logGroup] ) ) {
$time = wfTimestamp( TS_DB );
- @error_log( "$time $wgDBname: $text", 3, $wgDebugLogGroups[$logGroup] );
+ $wiki = wfWikiID();
+ wfErrorLog( "$time $wiki: $text", $wgDebugLogGroups[$logGroup] );
} else if ( $public === true ) {
wfDebug( $text, true );
}
* @param $text String: database error message.
*/
function wfLogDBError( $text ) {
- global $wgDBerrorLog;
+ global $wgDBerrorLog, $wgDBname;
if ( $wgDBerrorLog ) {
$host = trim(`hostname`);
- $text = date('D M j G:i:s T Y') . "\t$host\t".$text;
- error_log( $text, 3, $wgDBerrorLog );
+ $text = date('D M j G:i:s T Y') . "\t$host\t$wgDBname\t$text";
+ wfErrorLog( $text, $wgDBerrorLog );
+ }
+}
+
+/**
+ * Log to a file without getting "file size exceeded" signals
+ */
+function wfErrorLog( $text, $file ) {
+ wfSuppressWarnings();
+ $exists = file_exists( $file );
+ $size = $exists ? filesize( $file ) : false;
+ if ( !$exists || ( $size !== false && $size + strlen( $text ) < 0x7fffffff ) ) {
+ error_log( $text, 3, $file );
}
+ wfRestoreWarnings();
}
/**
* @todo document
*/
-function logProfilingData() {
+function wfLogProfilingData() {
global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
global $wgProfiling, $wgUser;
- $now = wfTime();
-
- list( $usec, $sec ) = explode( ' ', $wgRequestTime );
- $start = (float)$sec + (float)$usec;
- $elapsed = $now - $start;
if ( $wgProfiling ) {
- $prof = wfGetProfilingOutput( $start, $elapsed );
+ $now = wfTime();
+ $elapsed = $now - $wgRequestTime;
+ $prof = wfGetProfilingOutput( $wgRequestTime, $elapsed );
$forward = '';
if( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) )
$forward = ' forwarded for ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
$forward .= ' from ' . $_SERVER['HTTP_FROM'];
if( $forward )
$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
- if( is_object($wgUser) && $wgUser->isAnon() )
+ // Don't unstub $wgUser at this late stage just for statistics purposes
+ if( StubObject::isRealObject($wgUser) && $wgUser->isAnon() )
$forward .= ' anon';
$log = sprintf( "%s\t%04.3f\t%s\n",
gmdate( 'YmdHis' ), $elapsed,
- urldecode( $_SERVER['REQUEST_URI'] . $forward ) );
+ urldecode( $wgRequest->getRequestURL() . $forward ) );
if ( '' != $wgDebugLogFile && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
- error_log( $log . $prof, 3, $wgDebugLogFile );
+ wfErrorLog( $log . $prof, $wgDebugLogFile );
}
}
}
return (bool)$wgReadOnly;
}
+function wfReadOnlyReason() {
+ global $wgReadOnly;
+ wfReadOnly();
+ return $wgReadOnly;
+}
/**
* Get a message from anywhere, for the current user language.
* Use wfMsgForContent() instead if the message should NOT
* change depending on the user preferences.
*
- * Note that the message may contain HTML, and is therefore
- * not safe for insertion anywhere. Some functions such as
- * addWikiText will do the escaping for you. Use wfMsgHtml()
- * if you need an escaped message.
- *
* @param $key String: lookup key for the message, usually
* defined in languages/Language.php
+ *
+ * This function also takes extra optional parameters (not
+ * shown in the function definition), which can by used to
+ * insert variable text into the predefined message.
*/
function wfMsg( $key ) {
$args = func_get_args();
function wfMsgNoTrans( $key ) {
$args = func_get_args();
array_shift( $args );
- return wfMsgReal( $key, $args, true, false );
+ return wfMsgReal( $key, $args, true, false, false );
}
/**
/**
* Really get a message
- * @return $key String: key to get.
- * @return $args
- * @return $useDB Boolean
+ * @param $key String: key to get.
+ * @param $args
+ * @param $useDB Boolean
+ * @param $transform Boolean: Whether or not to transform the message.
+ * @param $forContent Boolean
* @return String: the requested message.
*/
-function wfMsgReal( $key, $args, $useDB, $forContent=false, $transform = true ) {
- $fname = 'wfMsgReal';
-
+function wfMsgReal( $key, $args, $useDB = true, $forContent=false, $transform = true ) {
+ wfProfileIn( __METHOD__ );
$message = wfMsgGetKey( $key, $useDB, $forContent, $transform );
$message = wfMsgReplaceArgs( $message, $args );
+ wfProfileOut( __METHOD__ );
return $message;
}
* @param $key String:
*/
function wfMsgWeirdKey ( $key ) {
- $subsource = str_replace ( ' ' , '_' , $key ) ;
- $source = wfMsg ( $subsource ) ;
- if ( $source == "<{$subsource}>" ) {
- # Try again with first char lower case
- $subsource = strtolower ( substr ( $subsource , 0 , 1 ) ) . substr ( $subsource , 1 ) ;
- $source = wfMsg ( $subsource ) ;
- }
- if ( $source == "<{$subsource}>" ) {
- # Didn't work either, return blank text
- $source = "" ;
- }
- return $source ;
+ $source = wfMsgGetKey( $key, false, true, false );
+ if ( wfEmptyMsg( $key, $source ) )
+ return "";
+ else
+ return $source;
}
/**
* @private
*/
function wfMsgGetKey( $key, $useDB, $forContent = false, $transform = true ) {
- global $wgParser, $wgMsgParserOptions, $wgContLang, $wgMessageCache, $wgLang;
-
- if ( is_object( $wgMessageCache ) )
- $transstat = $wgMessageCache->getTransform();
+ global $wgParser, $wgContLang, $wgMessageCache, $wgLang;
+ # If $wgMessageCache isn't initialised yet, try to return something sensible.
if( is_object( $wgMessageCache ) ) {
- if ( ! $transform )
- $wgMessageCache->disableTransform();
$message = $wgMessageCache->get( $key, $useDB, $forContent );
+ if ( $transform ) {
+ $message = $wgMessageCache->transform( $message );
+ }
} else {
if( $forContent ) {
$lang = &$wgContLang;
$lang = &$wgLang;
}
- wfSuppressWarnings();
+ # MessageCache::get() does this already, Language::getMessage() doesn't
+ # ISSUE: Should we try to handle "message/lang" here too?
+ $key = str_replace( ' ' , '_' , $wgContLang->lcfirst( $key ) );
if( is_object( $lang ) ) {
$message = $lang->getMessage( $key );
} else {
$message = false;
}
- wfRestoreWarnings();
- if($message === false)
- $message = Language::getMessage($key);
- if ( $transform && strstr( $message, '{{' ) !== false ) {
- $message = $wgParser->transformMsg($message, $wgMsgParserOptions);
- }
}
- if ( is_object( $wgMessageCache ) && ! $transform )
- $wgMessageCache->setTransform( $transstat );
-
return $message;
}
// Replace arguments
if ( count( $args ) ) {
if ( is_array( $args[0] ) ) {
- foreach ( $args[0] as $key => $val ) {
- $message = str_replace( '$' . $key, $val, $message );
- }
- } else {
- foreach( $args as $n => $param ) {
- $replacementKeys['$' . ($n + 1)] = $param;
- }
- $message = strtr( $message, $replacementKeys );
+ $args = array_values( $args[0] );
+ }
+ $replacementKeys = array();
+ foreach( $args as $n => $param ) {
+ $replacementKeys['$' . ($n + 1)] = $param;
}
+ $message = strtr( $message, $replacementKeys );
}
return $message;
* Returns message in the requested format
* @param string $key Key of the message
* @param array $options Processing rules:
- * <i>parse<i>: parses wikitext to html
- * <i>parseinline<i>: parses wikitext to html and removes the surrounding p's added by parser or tidy
- * <i>escape<i>: filters message trough htmlspecialchars
- * <i>replaceafter<i>: parameters are substituted after parsing or escaping
+ * <i>parse</i>: parses wikitext to html
+ * <i>parseinline</i>: parses wikitext to html and removes the surrounding p's added by parser or tidy
+ * <i>escape</i>: filters message through htmlspecialchars
+ * <i>escapenoentities</i>: same, but allows entity references like through
+ * <i>replaceafter</i>: parameters are substituted after parsing or escaping
+ * <i>parsemag</i>: transform the message using magic phrases
+ * <i>content</i>: fetch message for content language instead of interface
+ * Behavior for conflicting options (e.g., parse+parseinline) is undefined.
*/
function wfMsgExt( $key, $options ) {
- global $wgOut, $wgMsgParserOptions, $wgParser;
+ global $wgOut, $wgParser;
$args = func_get_args();
array_shift( $args );
$options = array($options);
}
- $string = wfMsgGetKey( $key, true, false, false );
+ $forContent = false;
+ if( in_array('content', $options) ) {
+ $forContent = true;
+ }
+
+ $string = wfMsgGetKey( $key, /*DB*/true, $forContent, /*Transform*/false );
if( !in_array('replaceafter', $options) ) {
$string = wfMsgReplaceArgs( $string, $args );
}
if( in_array('parse', $options) ) {
- $string = $wgOut->parse( $string, true, true );
+ $string = $wgOut->parse( $string, true, !$forContent );
} elseif ( in_array('parseinline', $options) ) {
- $string = $wgOut->parse( $string, true, true );
+ $string = $wgOut->parse( $string, true, !$forContent );
$m = array();
- if( preg_match( "~^<p>(.*)\n?</p>$~", $string, $m ) ) {
+ if( preg_match( '/^<p>(.*)\n?<\/p>\n?$/sU', $string, $m ) ) {
$string = $m[1];
}
} elseif ( in_array('parsemag', $options) ) {
- global $wgTitle;
- $parser = new Parser();
- $parserOptions = new ParserOptions();
- $parserOptions->setInterfaceMessage( true );
- $parser->startExternalParse( $wgTitle, $parserOptions, OT_MSG );
- $string = $parser->transformMsg( $string, $parserOptions );
+ global $wgMessageCache;
+ if ( isset( $wgMessageCache ) ) {
+ $string = $wgMessageCache->transform( $string, !$forContent );
+ }
}
if ( in_array('escape', $options) ) {
$string = htmlspecialchars ( $string );
+ } elseif ( in_array( 'escapenoentities', $options ) ) {
+ $string = htmlspecialchars( $string );
+ $string = str_replace( '&', '&', $string );
+ $string = Sanitizer::normalizeCharReferences( $string );
}
if( in_array('replaceafter', $options) ) {
/**
* Just like exit() but makes a note of it.
* Commits open transactions except if the error parameter is set
+ *
+ * @deprecated Please return control to the caller or throw an exception
*/
function wfAbruptExit( $error = false ){
global $wgLoadBalancer;
}
$called = true;
- if( function_exists( 'debug_backtrace' ) ){ // PHP >= 4.3
- $bt = debug_backtrace();
+ $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\n');
}
- wfProfileClose();
- logProfilingData();
+ wfLogProfilingData();
if ( !$error ) {
$wgLoadBalancer->closeAll();
}
/**
- * @todo document
+ * @deprecated Please return control the caller or throw an exception
*/
function wfErrorExit() {
wfAbruptExit( true );
*/
function wfDie( $msg='' ) {
echo $msg;
- die( -1 );
+ die( 1 );
}
/**
- * Die with a backtrace
- * This is meant as a debugging aid to track down where bad data comes from.
- * Shouldn't be used in production code except maybe in "shouldn't happen" areas.
+ * Throw a debugging exception. This function previously once exited the process,
+ * but now throws an exception instead, with similar results.
*
* @param string $msg Message shown when dieing.
*/
function wfDebugDieBacktrace( $msg = '' ) {
- global $wgCommandLineMode;
-
- $backtrace = wfBacktrace();
- if ( $backtrace !== false ) {
- if ( $wgCommandLineMode ) {
- $msg .= "\nBacktrace:\n$backtrace";
- } else {
- $msg .= "\n<p>Backtrace:</p>\n$backtrace";
- }
- }
- echo $msg;
- echo wfReportTime()."\n";
- die( -1 );
+ throw new MWException( $msg );
}
/**
* @return string
*/
function wfReportTime() {
- global $wgRequestTime;
+ global $wgRequestTime, $wgShowHostnames;
$now = wfTime();
- list( $usec, $sec ) = explode( ' ', $wgRequestTime );
- $start = (float)$sec + (float)$usec;
- $elapsed = $now - $start;
+ $elapsed = $now - $wgRequestTime;
+
+ return $wgShowHostnames
+ ? sprintf( "<!-- Served by %s in %01.3f secs. -->", wfHostname(), $elapsed )
+ : sprintf( "<!-- Served in %01.3f secs. -->", $elapsed );
+ }
- $com = sprintf( "<!-- Served by %s in %01.3f secs. -->",
- wfHostname(), $elapsed );
- return $com;
+/**
+ * Safety wrapper for debug_backtrace().
+ *
+ * With Zend Optimizer 3.2.0 loaded, this causes segfaults under somewhat
+ * murky circumstances, which may be triggered in part by stub objects
+ * or other fancy talkin'.
+ *
+ * Will return an empty array if Zend Optimizer is detected, otherwise
+ * the output from debug_backtrace() (trimmed).
+ *
+ * @return array of backtrace information
+ */
+function wfDebugBacktrace() {
+ if( extension_loaded( 'Zend Optimizer' ) ) {
+ wfDebug( "Zend Optimizer detected; skipping debug_backtrace for safety.\n" );
+ return array();
+ } else {
+ return array_slice( debug_backtrace(), 1 );
}
+}
function wfBacktrace() {
global $wgCommandLineMode;
- if ( !function_exists( 'debug_backtrace' ) ) {
- return false;
- }
if ( $wgCommandLineMode ) {
$msg = '';
} else {
$msg = "<ul>\n";
}
- $backtrace = debug_backtrace();
+ $backtrace = wfDebugBacktrace();
foreach( $backtrace as $call ) {
if( isset( $call['file'] ) ) {
$f = explode( DIRECTORY_SEPARATOR, $call['file'] );
*/
function wfShowingResults( $offset, $limit ) {
global $wgLang;
- return wfMsg( 'showingresults', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ) );
+ return wfMsgExt( 'showingresults', array( 'parseinline' ), $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ) );
}
/**
*/
function wfShowingResultsNum( $offset, $limit, $num ) {
global $wgLang;
- return wfMsg( 'showingresultsnum', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
+ return wfMsgExt( 'showingresultsnum', array( 'parseinline' ), $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
}
/**
if ( $po < 0 ) { $po = 0; }
$q = "limit={$limit}&offset={$po}";
if ( '' != $query ) { $q .= '&'.$query; }
- $plink = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$prev}</a>";
+ $plink = '<a href="' . $title->escapeLocalUrl( $q ) . "\" class=\"mw-prevlink\">{$prev}</a>";
} else { $plink = $prev; }
$no = $offset + $limit;
if ( $atend ) {
$nlink = $next;
} else {
- $nlink = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$next}</a>";
+ $nlink = '<a href="' . $title->escapeLocalUrl( $q ) . "\" class=\"mw-nextlink\">{$next}</a>";
}
$nums = wfNumLink( $offset, 20, $title, $query ) . ' | ' .
wfNumLink( $offset, 50, $title, $query ) . ' | ' .
$q .= 'limit='.$limit.'&offset='.$offset;
$fmtLimit = $wgLang->formatNum( $limit );
- $s = '<a href="' . $title->escapeLocalUrl( $q ) . "\">{$fmtLimit}</a>";
+ $s = '<a href="' . $title->escapeLocalUrl( $q ) . "\" class=\"mw-numlink\">{$fmtLimit}</a>";
return $s;
}
global $wgUseGzip;
if( $wgUseGzip ) {
# FIXME: we may want to blacklist some broken browsers
+ $m = array();
if( preg_match(
'/\bgzip(?:;(q)=([0-9]+(?:\.[0-9]+)))?\b/',
$_SERVER['HTTP_ACCEPT_ENCODING'],
*/
function wfEscapeWikiText( $text ) {
$text = str_replace(
- array( '[', '|', '\'', 'ISBN ' , '://' , "\n=", '{{' ),
- array( '[', '|', ''', 'ISBN ', '://' , "\n=", '{{' ),
+ array( '[', '|', ']', '\'', 'ISBN ', 'RFC ', '://', "\n=", '{{' ),
+ array( '[', '|', ']', ''', 'ISBN ', 'RFC ', '://', "\n=", '{{' ),
htmlspecialchars($text) );
return $text;
}
* @return float
*/
function wfTime() {
- $st = explode( ' ', microtime() );
- return (float)$st[0] + (float)$st[1];
+ return microtime(true);
}
/**
return $cgi;
}
+/**
+ * Append a query string to an existing URL, which may or may not already
+ * have query string parameters already. If so, they will be combined.
+ *
+ * @param string $url
+ * @param string $query
+ * @return string
+ */
+function wfAppendQuery( $url, $query ) {
+ if( $query != '' ) {
+ if( false === strpos( $url, '?' ) ) {
+ $url .= '?';
+ } else {
+ $url .= '&';
+ }
+ $url .= $query;
+ }
+ return $url;
+}
+
+/**
+ * Expand a potentially local URL to a fully-qualified URL.
+ * Assumes $wgServer is correct. :)
+ * @param string $url, either fully-qualified or a local path + query
+ * @return string Fully-qualified URL
+ */
+function wfExpandUrl( $url ) {
+ if( substr( $url, 0, 1 ) == '/' ) {
+ global $wgServer;
+ return $wgServer . $url;
+ } else {
+ return $url;
+ }
+}
+
/**
* This is obsolete, use SquidUpdate::purge()
* @deprecated
}
// Double the backslashes before the end of the string, because
// we will soon add a quote
+ $m = array();
if ( preg_match( '/^(.*?)(\\\\+)$/', $arg, $m ) ) {
$arg = $m[1] . str_replace( '\\', '\\\\', $m[2] );
}
header( "Status: $code $label" );
$wgOut->sendCacheControl();
- header( 'Content-type: text/html' );
- print "<html><head><title>" .
+ header( 'Content-type: text/html; charset=utf-8' );
+ print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">".
+ "<html><head><title>" .
htmlspecialchars( $label ) .
"</title></head><body><h1>" .
htmlspecialchars( $label ) .
"</h1><p>" .
- htmlspecialchars( $desc ) .
+ nl2br( htmlspecialchars( $desc ) ) .
"</p></body></html>\n";
}
+/**
+ * Clear away any user-level output buffers, discarding contents.
+ *
+ * Suitable for 'starting afresh', for instance when streaming
+ * relatively large amounts of data without buffering, or wanting to
+ * output image files without ob_gzhandler's compression.
+ *
+ * The optional $resetGzipEncoding parameter controls suppression of
+ * the Content-Encoding header sent by ob_gzhandler; by default it
+ * is left. See comments for wfClearOutputBuffers() for why it would
+ * be used.
+ *
+ * Note that some PHP configuration options may add output buffer
+ * layers which cannot be removed; these are left in place.
+ *
+ * @param bool $resetGzipEncoding
+ */
+function wfResetOutputBuffers( $resetGzipEncoding=true ) {
+ if( $resetGzipEncoding ) {
+ // Suppress Content-Encoding and Content-Length
+ // headers from 1.10+s wfOutputHandler
+ global $wgDisableOutputCompression;
+ $wgDisableOutputCompression = true;
+ }
+ while( $status = ob_get_status() ) {
+ if( $status['type'] == 0 /* PHP_OUTPUT_HANDLER_INTERNAL */ ) {
+ // Probably from zlib.output_compression or other
+ // PHP-internal setting which can't be removed.
+ //
+ // Give up, and hope the result doesn't break
+ // output behavior.
+ break;
+ }
+ if( !ob_end_clean() ) {
+ // Could not remove output buffer handler; abort now
+ // to avoid getting in some kind of infinite loop.
+ break;
+ }
+ if( $resetGzipEncoding ) {
+ if( $status['name'] == 'ob_gzhandler' ) {
+ // Reset the 'Content-Encoding' field set by this handler
+ // so we can start fresh.
+ header( 'Content-Encoding:' );
+ }
+ }
+ }
+}
+
+/**
+ * More legible than passing a 'false' parameter to wfResetOutputBuffers():
+ *
+ * Clear away output buffers, but keep the Content-Encoding header
+ * produced by ob_gzhandler, if any.
+ *
+ * This should be used for HTTP 304 responses, where you need to
+ * preserve the Content-Encoding header of the real result, but
+ * also need to suppress the output of ob_gzhandler to keep to spec
+ * and avoid breaking Firefox in rare cases where the headers and
+ * body are broken over two packets.
+ */
+function wfClearOutputBuffers() {
+ wfResetOutputBuffers( false );
+}
+
/**
* Converts an Accept-* header into an array mapping string values to quality
* factors
foreach( $parts as $part ) {
# FIXME: doesn't deal with params like 'text/html; level=1'
@list( $value, $qpart ) = explode( ';', $part );
+ $match = array();
if( !isset( $qpart ) ) {
$prefs[$value] = 1;
} elseif( preg_match( '/q\s*=\s*(\d*\.\d+)/', $qpart, $match ) ) {
/**
* An Exif timestamp (YYYY:MM:DD HH:MM:SS)
*
- * @url http://exif.org/Exif2-2.PDF The Exif 2.2 spec, see page 28 for the
+ * @see http://exif.org/Exif2-2.PDF The Exif 2.2 spec, see page 28 for the
* DateTime tag and page 36 for the DateTimeOriginal and
* DateTimeDigitized tags.
*/
*/
define('TS_ORACLE', 6);
+/**
+ * Postgres format time.
+ */
+define('TS_POSTGRES', 7);
+
/**
* @param mixed $outputtype A timestamp in one of the supported formats, the
* function will autodetect which format is supplied
$da = array();
if ($ts==0) {
$uts=time();
- } elseif (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$da)) {
+ } elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/D',$ts,$da)) {
# TS_DB
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
(int)$da[2],(int)$da[3],(int)$da[1]);
- } elseif (preg_match("/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$da)) {
+ } elseif (preg_match('/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/D',$ts,$da)) {
# TS_EXIF
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
(int)$da[2],(int)$da[3],(int)$da[1]);
- } elseif (preg_match("/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/",$ts,$da)) {
+ } elseif (preg_match('/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/D',$ts,$da)) {
# TS_MW
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
(int)$da[2],(int)$da[3],(int)$da[1]);
- } elseif (preg_match("/^(\d{1,13})$/",$ts,$datearray)) {
+ } elseif (preg_match('/^(\d{1,13})$/D',$ts,$da)) {
# TS_UNIX
- $uts=$ts;
+ $uts = $ts;
} elseif (preg_match('/^(\d{1,2})-(...)-(\d\d(\d\d)?) (\d\d)\.(\d\d)\.(\d\d)/', $ts, $da)) {
# TS_ORACLE
$uts = strtotime(preg_replace('/(\d\d)\.(\d\d)\.(\d\d)(\.(\d+))?/', "$1:$2:$3",
# TS_ISO_8601
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
(int)$da[2],(int)$da[3],(int)$da[1]);
+ } elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)[\+\- ](\d\d)$/',$ts,$da)) {
+ # TS_POSTGRES
+ $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+ (int)$da[2],(int)$da[3],(int)$da[1]);
+ } elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d) GMT$/',$ts,$da)) {
+ # TS_POSTGRES
+ $uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
+ (int)$da[2],(int)$da[3],(int)$da[1]);
} else {
# Bogus value; fall back to the epoch...
wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
return gmdate( 'D, d M Y H:i:s', $uts ) . ' GMT';
case TS_ORACLE:
return gmdate( 'd-M-y h.i.s A', $uts) . ' +00:00';
+ case TS_POSTGRES:
+ return gmdate( 'Y-m-d H:i:s', $uts) . ' GMT';
default:
- wfDebugDieBacktrace( 'wfTimestamp() called with illegal output type.');
+ throw new MWException( 'wfTimestamp() called with illegal output type.');
}
}
}
function wfGetCachedNotice( $name ) {
- global $wgOut, $parserMemc, $wgDBname;
+ global $wgOut, $parserMemc;
$fname = 'wfGetCachedNotice';
wfProfileIn( $fname );
$needParse = false;
- $notice = wfMsgForContent( $name );
- if( $notice == '<'. $name . ';>' || $notice == '-' ) {
- wfProfileOut( $fname );
- return( 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 );
+ }
}
- $cachedNotice = $parserMemc->get( $wgDBname . ':' . $name );
+ $cachedNotice = $parserMemc->get( wfMemcKey( $name ) );
if( is_array( $cachedNotice ) ) {
if( md5( $notice ) == $cachedNotice['hash'] ) {
$notice = $cachedNotice['html'];
if( $needParse ) {
if( is_object( $wgOut ) ) {
$parsed = $wgOut->parse( $notice );
- $parserMemc->set( $wgDBname . ':' . $name, array( 'html' => $parsed, 'hash' => md5( $notice ) ), 600 );
+ $parserMemc->set( wfMemcKey( $name ), array( 'html' => $parsed, 'hash' => md5( $notice ) ), 600 );
$notice = $parsed;
} else {
wfDebug( 'wfGetCachedNotice called for ' . $name . ' with no $wgOut available' );
global $wgUser, $wgSiteNotice;
$fname = 'wfGetSiteNotice';
wfProfileIn( $fname );
+ $siteNotice = '';
- if( is_object( $wgUser ) && $wgUser->isLoggedIn() ) {
- $siteNotice = wfGetCachedNotice( 'sitenotice' );
- $siteNotice = !$siteNotice ? $wgSiteNotice : $siteNotice;
- } else {
- $anonNotice = wfGetCachedNotice( 'anonnotice' );
- if( !$anonNotice ) {
+ if( wfRunHooks( 'SiteNoticeBefore', array( &$siteNotice ) ) ) {
+ if( is_object( $wgUser ) && $wgUser->isLoggedIn() ) {
$siteNotice = wfGetCachedNotice( 'sitenotice' );
- $siteNotice = !$siteNotice ? $wgSiteNotice : $siteNotice;
} else {
- $siteNotice = $anonNotice;
+ $anonNotice = wfGetCachedNotice( 'anonnotice' );
+ if( !$anonNotice ) {
+ $siteNotice = wfGetCachedNotice( 'sitenotice' );
+ } else {
+ $siteNotice = $anonNotice;
+ }
+ }
+ if( !$siteNotice ) {
+ $siteNotice = wfGetCachedNotice( 'default' );
}
}
+ wfRunHooks( 'SiteNoticeAfter', array( &$siteNotice ) );
wfProfileOut( $fname );
- return( $siteNotice );
+ return $siteNotice;
}
-/** Global singleton instance of MimeMagic. This is initialized on demand,
-* please always use the wfGetMimeMagic() function to get the instance.
-*
-* @private
-*/
-$wgMimeMagic= NULL;
-
-/** Factory functions for the global MimeMagic object.
-* This function always returns the same singleton instance of MimeMagic.
-* That objects will be instantiated on the first call to this function.
-* If needed, the MimeMagic.php file is automatically included by this function.
-* @return MimeMagic the global MimeMagic objects.
-*/
+/**
+ * BC wrapper for MimeMagic::singleton()
+ * @deprecated
+ */
function &wfGetMimeMagic() {
- global $wgMimeMagic;
-
- if (!is_null($wgMimeMagic)) {
- return $wgMimeMagic;
- }
-
- if (!class_exists("MimeMagic")) {
- #include on demand
- require_once("MimeMagic.php");
- }
-
- $wgMimeMagic= new MimeMagic();
-
- return $wgMimeMagic;
+ return MimeMagic::singleton();
}
-
/**
* Tries to get the system directory for temporary files.
* The TMPDIR, TMP, and TEMP environment variables are checked in sequence,
/**
* Make directory, and make all parent directories if they don't exist
*/
-function wfMkdirParents( $fullDir, $mode ) {
- $parts = explode( '/', $fullDir );
- $path = '';
-
- foreach ( $parts as $dir ) {
- $path .= $dir . '/';
- if ( !is_dir( $path ) ) {
- if ( !mkdir( $path, $mode ) ) {
- return false;
- }
- }
- }
- return true;
+function wfMkdirParents( $fullDir, $mode = 0777 ) {
+ if( strval( $fullDir ) === '' )
+ return true;
+ if( file_exists( $fullDir ) )
+ return true;
+ return mkdir( str_replace( '/', DIRECTORY_SEPARATOR, $fullDir ), $mode, true );
}
/**
* Increment a statistics counter
*/
- function wfIncrStats( $key ) {
- global $wgDBname, $wgMemc;
- $key = "$wgDBname:stats:$key";
- if ( is_null( $wgMemc->incr( $key ) ) ) {
- $wgMemc->add( $key, 1 );
- }
- }
+function wfIncrStats( $key ) {
+ global $wgStatsMethod;
+
+ if( $wgStatsMethod == 'udp' ) {
+ global $wgUDPProfilerHost, $wgUDPProfilerPort, $wgDBname;
+ static $socket;
+ if (!$socket) {
+ $socket=socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
+ $statline="stats/{$wgDBname} - 1 1 1 1 1 -total\n";
+ socket_sendto($socket,$statline,strlen($statline),0,$wgUDPProfilerHost,$wgUDPProfilerPort);
+ }
+ $statline="stats/{$wgDBname} - 1 1 1 1 1 {$key}\n";
+ @socket_sendto($socket,$statline,strlen($statline),0,$wgUDPProfilerHost,$wgUDPProfilerPort);
+ } elseif( $wgStatsMethod == 'cache' ) {
+ global $wgMemc;
+ $key = wfMemcKey( 'stats', $key );
+ if ( is_null( $wgMemc->incr( $key ) ) ) {
+ $wgMemc->add( $key, 1 );
+ }
+ } else {
+ // Disabled
+ }
+}
/**
* @param mixed $nr The number to format
*/
function wfAppendToArrayIfNotDefault( $key, $value, $default, &$changed ) {
if ( is_null( $changed ) ) {
- wfDebugDieBacktrace('GlobalFunctions::wfAppendToArrayIfNotDefault got null');
+ throw new MWException('GlobalFunctions::wfAppendToArrayIfNotDefault got null');
}
if ( $default[$key] !== $value ) {
$changed[$key] = $value;
* @return bool
*/
function wfEmptyMsg( $msg, $wfMsgOut ) {
- return $wfMsgOut === "<$msg>";
+ return $wfMsgOut === htmlspecialchars( "<$msg>" );
}
/**
}
}
+/**
+ * Safety wrapper around ini_get() for boolean settings.
+ * The values returned from ini_get() are pre-normalized for settings
+ * set via php.ini or php_flag/php_admin_flag... but *not*
+ * for those set via php_value/php_admin_value.
+ *
+ * It's fairly common for people to use php_value instead of php_flag,
+ * which can leave you with an 'off' setting giving a false positive
+ * for code that just takes the ini_get() return value as a boolean.
+ *
+ * To make things extra interesting, setting via php_value accepts
+ * "true" and "yes" as true, but php.ini and php_flag consider them false. :)
+ * Unrecognized values go false... again opposite PHP's own coercion
+ * from string to bool.
+ *
+ * Luckily, 'properly' set settings will always come back as '0' or '1',
+ * so we only have to worry about them and the 'improper' settings.
+ *
+ * I frickin' hate PHP... :P
+ *
+ * @param string $setting
+ * @return bool
+ */
+function wfIniGetBool( $setting ) {
+ $val = ini_get( $setting );
+ // 'on' and 'true' can't have whitespace around them, but '1' can.
+ return strtolower( $val ) == 'on'
+ || strtolower( $val ) == 'true'
+ || strtolower( $val ) == 'yes'
+ || preg_match( "/^\s*[+-]?0*[1-9]/", $val ); // approx C atoi() function
+}
+
/**
* Execute a shell command, with time and memory limits mirrored from the PHP
* configuration if supported.
* @return collected stdout as a string (trailing newlines stripped)
*/
function wfShellExec( $cmd, &$retval=null ) {
- global $IP;
+ global $IP, $wgMaxShellMemory, $wgMaxShellFileSize;
- if( ini_get( 'safe_mode' ) ) {
+ if( wfIniGetBool( 'safe_mode' ) ) {
wfDebug( "wfShellExec can't run in safe_mode, PHP's exec functions are too broken.\n" );
$retval = 1;
return "Unable to run external programs in safe mode.";
}
if ( php_uname( 's' ) == 'Linux' ) {
- $time = ini_get( 'max_execution_time' );
- $mem = ini_get( 'memory_limit' );
- if( preg_match( '/^([0-9]+)[Mm]$/', trim( $mem ), $m ) ) {
- $mem = intval( $m[1] * (1024*1024) );
- }
+ $time = intval( ini_get( 'max_execution_time' ) );
+ $mem = intval( $wgMaxShellMemory );
+ $filesize = intval( $wgMaxShellFileSize );
+
if ( $time > 0 && $mem > 0 ) {
- $script = "$IP/bin/ulimit.sh";
+ $script = "$IP/bin/ulimit4.sh";
if ( is_executable( $script ) ) {
- $memKB = intval( $mem / 1024 );
- $cmd = escapeshellarg( $script ) . " $time $memKB $cmd";
+ $cmd = escapeshellarg( $script ) . " $time $mem $filesize " . escapeshellarg( $cmd );
}
}
} elseif ( php_uname( 's' ) == 'Windows NT' ) {
}
wfDebug( "wfShellExec: $cmd\n" );
- $output = array();
$retval = 1; // error by default?
- $lastline = exec( $cmd, $output, $retval );
- return implode( "\n", $output );
+ ob_start();
+ passthru( $cmd, $retval );
+ $output = ob_get_contents();
+ ob_end_clean();
+ return $output;
}
$php_ver = PHP_VERSION;
if ( version_compare( $php_ver, (string)$req_ver, '<' ) )
- wfDebugDieBacktrace( "PHP $req_ver required--this is only $php_ver" );
+ throw new MWException( "PHP $req_ver required--this is only $php_ver" );
}
/**
global $wgVersion;
if ( version_compare( $wgVersion, (string)$req_ver, '<' ) )
- wfDebugDieBacktrace( "MediaWiki $req_ver required--this is only $wgVersion" );
+ throw new MWException( "MediaWiki $req_ver required--this is only $wgVersion" );
}
/**
- * Escape a string to make it suitable for inclusion in a preg_replace()
- * replacement parameter.
- *
- * @param string $string
- * @return string
+ * @deprecated use StringUtils::escapeRegexReplacement
*/
function wfRegexReplacement( $string ) {
- $string = str_replace( '\\', '\\\\', $string );
- $string = str_replace( '$', '\\$', $string );
- return $string;
+ return StringUtils::escapeRegexReplacement( $string );
}
/**
* We'll consider it so always, as we don't want \s in our Unix paths either.
*
* @param string $path
+ * @param string $suffix to remove if present
* @return string
*/
-function wfBaseName( $path ) {
- if( preg_match( '#([^/\\\\]*)[/\\\\]*$#', $path, $matches ) ) {
+function wfBaseName( $path, $suffix='' ) {
+ $encSuffix = ($suffix == '')
+ ? ''
+ : ( '(?:' . preg_quote( $suffix, '#' ) . ')?' );
+ $matches = array();
+ if( preg_match( "#([^/\\\\]*?){$encSuffix}[/\\\\]*$#", $path, $matches ) ) {
return $matches[1];
} else {
return '';
}
}
+/**
+ * Generate a relative path name to the given file.
+ * May explode on non-matching case-insensitive paths,
+ * funky symlinks, etc.
+ *
+ * @param string $path Absolute destination path including target filename
+ * @param string $from Absolute source path, directory only
+ * @return string
+ */
+function wfRelativePath( $path, $from ) {
+ // Normalize mixed input on Windows...
+ $path = str_replace( '/', DIRECTORY_SEPARATOR, $path );
+ $from = str_replace( '/', DIRECTORY_SEPARATOR, $from );
+
+ $pieces = explode( DIRECTORY_SEPARATOR, dirname( $path ) );
+ $against = explode( DIRECTORY_SEPARATOR, $from );
+
+ // Trim off common prefix
+ while( count( $pieces ) && count( $against )
+ && $pieces[0] == $against[0] ) {
+ array_shift( $pieces );
+ array_shift( $against );
+ }
+
+ // relative dots to bump us to the parent
+ while( count( $against ) ) {
+ array_unshift( $pieces, '..' );
+ array_shift( $against );
+ }
+
+ array_push( $pieces, wfBaseName( $path ) );
+
+ return implode( DIRECTORY_SEPARATOR, $pieces );
+}
+
/**
* Make a URL index, appropriate for the el_index field of externallinks.
*/
function wfMakeUrlIndex( $url ) {
+ global $wgUrlProtocols; // Allow all protocols defined in DefaultSettings/LocalSettings.php
wfSuppressWarnings();
$bits = parse_url( $url );
wfRestoreWarnings();
- if ( !$bits || $bits['scheme'] !== 'http' ) {
+ if ( !$bits ) {
return false;
}
+ // most of the protocols are followed by ://, but mailto: and sometimes news: not, check for it
+ $delimiter = '';
+ if ( in_array( $bits['scheme'] . '://' , $wgUrlProtocols ) ) {
+ $delimiter = '://';
+ } elseif ( in_array( $bits['scheme'] .':' , $wgUrlProtocols ) ) {
+ $delimiter = ':';
+ // parse_url detects for news: and mailto: the host part of an url as path
+ // We have to correct this wrong detection
+ if ( isset ( $bits['path'] ) ) {
+ $bits['host'] = $bits['path'];
+ $bits['path'] = '';
+ }
+ } else {
+ return false;
+ }
+
// Reverse the labels in the hostname, convert to lower case
- $reversedHost = strtolower( implode( '.', array_reverse( explode( '.', $bits['host'] ) ) ) );
+ // For emails reverse domainpart only
+ if ( $bits['scheme'] == 'mailto' ) {
+ $mailparts = explode( '@', $bits['host'], 2 );
+ if ( count($mailparts) === 2 ) {
+ $domainpart = strtolower( implode( '.', array_reverse( explode( '.', $mailparts[1] ) ) ) );
+ } else {
+ // No domain specified, don't mangle it
+ $domainpart = '';
+ }
+ $reversedHost = $domainpart . '@' . $mailparts[0];
+ } else {
+ $reversedHost = strtolower( implode( '.', array_reverse( explode( '.', $bits['host'] ) ) ) );
+ }
// Add an extra dot to the end
+ // Why? Is it in wrong place in mailto links?
if ( substr( $reversedHost, -1, 1 ) !== '.' ) {
$reversedHost .= '.';
}
// Reconstruct the pseudo-URL
- $index = "http://$reversedHost";
+ $prot = $bits['scheme'];
+ $index = "$prot$delimiter$reversedHost";
// Leave out user and password. Add the port, path, query and fragment
if ( isset( $bits['port'] ) ) $index .= ':' . $bits['port'];
if ( isset( $bits['path'] ) ) {
}
/**
- * More or less "markup-safe" explode()
- * Ignores any instances of the separator inside <...>
- * @param string $separator
- * @param string $text
- * @return array
+ * @deprecated use StringUtils::explodeMarkup
*/
function wfExplodeMarkup( $separator, $text ) {
- $placeholder = "\x00";
+ return StringUtils::explodeMarkup( $separator, $text );
+}
+
+/**
+ * Convert an arbitrarily-long digit string from one numeric base
+ * to another, optionally zero-padding to a minimum column width.
+ *
+ * Supports base 2 through 36; digit values 10-36 are represented
+ * as lowercase letters a-z. Input is case-insensitive.
+ *
+ * @param $input string of digits
+ * @param $sourceBase int 2-36
+ * @param $destBase int 2-36
+ * @param $pad int 1 or greater
+ * @param $lowercase bool
+ * @return string or false on invalid input
+ */
+function wfBaseConvert( $input, $sourceBase, $destBase, $pad=1, $lowercase=true ) {
+ $input = strval( $input );
+ if( $sourceBase < 2 ||
+ $sourceBase > 36 ||
+ $destBase < 2 ||
+ $destBase > 36 ||
+ $pad < 1 ||
+ $sourceBase != intval( $sourceBase ) ||
+ $destBase != intval( $destBase ) ||
+ $pad != intval( $pad ) ||
+ !is_string( $input ) ||
+ $input == '' ) {
+ return false;
+ }
+ $digitChars = ( $lowercase ) ? '0123456789abcdefghijklmnopqrstuvwxyz' : '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ $inDigits = array();
+ $outChars = '';
- // Just in case...
- $text = str_replace( $placeholder, '', $text );
+ // Decode and validate input string
+ $input = strtolower( $input );
+ for( $i = 0; $i < strlen( $input ); $i++ ) {
+ $n = strpos( $digitChars, $input{$i} );
+ if( $n === false || $n > $sourceBase ) {
+ return false;
+ }
+ $inDigits[] = $n;
+ }
- // Trim stuff
- $replacer = new ReplacerCallback( $separator, $placeholder );
- $cleaned = preg_replace_callback( '/(<.*?>)/', array( $replacer, 'go' ), $text );
+ // Iterate over the input, modulo-ing out an output digit
+ // at a time until input is gone.
+ while( count( $inDigits ) ) {
+ $work = 0;
+ $workDigits = array();
+
+ // Long division...
+ foreach( $inDigits as $digit ) {
+ $work *= $sourceBase;
+ $work += $digit;
+
+ if( $work < $destBase ) {
+ // Gonna need to pull another digit.
+ if( count( $workDigits ) ) {
+ // Avoid zero-padding; this lets us find
+ // the end of the input very easily when
+ // length drops to zero.
+ $workDigits[] = 0;
+ }
+ } else {
+ // Finally! Actual division!
+ $workDigits[] = intval( $work / $destBase );
+
+ // Isn't it annoying that most programming languages
+ // don't have a single divide-and-remainder operator,
+ // even though the CPU implements it that way?
+ $work = $work % $destBase;
+ }
+ }
+
+ // All that division leaves us with a remainder,
+ // which is conveniently our next output digit.
+ $outChars .= $digitChars[$work];
+
+ // And we continue!
+ $inDigits = $workDigits;
+ }
- $items = explode( $separator, $cleaned );
- foreach( $items as $i => $str ) {
- $items[$i] = str_replace( $placeholder, $separator, $str );
+ while( strlen( $outChars ) < $pad ) {
+ $outChars .= '0';
}
- return $items;
+ return strrev( $outChars );
+}
+
+/**
+ * Create an object with a given name and an array of construct parameters
+ * @param string $name
+ * @param array $p parameters
+ */
+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" );
+ }
+}
+
+/**
+ * Aliases for modularized functions
+ */
+function wfGetHTTP( $url, $timeout = 'default' ) {
+ return Http::get( $url, $timeout );
+}
+function wfIsLocalURL( $url ) {
+ return Http::isLocalURL( $url );
}
-class ReplacerCallback {
- function ReplacerCallback( $from, $to ) {
- $this->from = $from;
- $this->to = $to;
+/**
+ * Initialise php session
+ */
+function wfSetupSession() {
+ global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain, $wgCookieSecure;
+ if( $wgSessionsInMemcached ) {
+ require_once( 'MemcachedSessions.php' );
+ } elseif( 'files' != ini_get( 'session.save_handler' ) ) {
+ # If it's left on 'user' or another setting from another
+ # application, it will end up failing. Try to recover.
+ ini_set ( 'session.save_handler', 'files' );
}
-
- function go( $matches ) {
- return str_replace( $this->from, $this->to, $matches[1] );
+ session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure);
+ session_cache_limiter( 'private, must-revalidate' );
+ @session_start();
+}
+
+/**
+ * Get an object from the precompiled serialized directory
+ *
+ * @return mixed The variable on success, false on failure
+ */
+function wfGetPrecompiledData( $name ) {
+ global $IP;
+
+ $file = "$IP/serialized/$name";
+ if ( file_exists( $file ) ) {
+ $blob = file_get_contents( $file );
+ if ( $blob ) {
+ return unserialize( $blob );
+ }
+ }
+ return false;
+}
+
+function wfGetCaller( $level = 2 ) {
+ $backtrace = wfDebugBacktrace();
+ if ( isset( $backtrace[$level] ) ) {
+ return wfFormatStackFrame($backtrace[$level]);
+ } else {
+ $caller = 'unknown';
+ }
+ return $caller;
+}
+
+/** Return a string consisting all callers in stack, somewhat useful sometimes for profiling specific points */
+function wfGetAllCallers() {
+ return implode('/', array_map('wfFormatStackFrame',array_reverse(wfDebugBacktrace())));
+}
+
+/** Return a string representation of frame */
+function wfFormatStackFrame($frame) {
+ return isset( $frame["class"] )?
+ $frame["class"]."::".$frame["function"]:
+ $frame["function"];
+}
+
+/**
+ * Get a cache key
+ */
+function wfMemcKey( /*... */ ) {
+ global $wgDBprefix, $wgDBname;
+ $args = func_get_args();
+ if ( $wgDBprefix ) {
+ $key = "$wgDBname-$wgDBprefix:" . implode( ':', $args );
+ } else {
+ $key = $wgDBname . ':' . implode( ':', $args );
}
+ return $key;
+}
+
+/**
+ * Get a cache key for a foreign DB
+ */
+function wfForeignMemcKey( $db, $prefix /*, ... */ ) {
+ $args = array_slice( func_get_args(), 2 );
+ if ( $prefix ) {
+ $key = "$db-$prefix:" . implode( ':', $args );
+ } else {
+ $key = $db . ':' . implode( ':', $args );
+ }
+ return $key;
+}
+
+/**
+ * Get an ASCII string identifying this wiki
+ * This is used as a prefix in memcached keys
+ */
+function wfWikiID() {
+ global $wgDBprefix, $wgDBname;
+ if ( $wgDBprefix ) {
+ return "$wgDBname-$wgDBprefix";
+ } else {
+ return $wgDBname;
+ }
+}
+
+/*
+ * Get a Database object
+ * @param integer $db 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.
+ *
+ * @param mixed $groups Query groups. An array of group names that this query
+ * belongs to. May contain a single string if the query is only
+ * in one group.
+ */
+function &wfGetDB( $db = DB_LAST, $groups = array() ) {
+ global $wgLoadBalancer;
+ $ret = $wgLoadBalancer->getConnection( $db, true, $groups );
+ return $ret;
+}
+
+/**
+ * Find a file.
+ * Shortcut for RepoGroup::singleton()->findFile()
+ * @param mixed $title Title object or string. May be interwiki.
+ * @param mixed $time Requested time for an archived image, or false for the
+ * current version. An image object will be returned which
+ * existed at the specified time.
+ * @return File, or false if the file does not exist
+ */
+function wfFindFile( $title, $time = false ) {
+ return RepoGroup::singleton()->findFile( $title, $time );
}
-?>
+/**
+ * Get an object referring to a locally registered file.
+ * Returns a valid placeholder object if the file does not exist.
+ */
+function wfLocalFile( $title ) {
+ return RepoGroup::singleton()->getLocalRepo()->newFile( $title );
+}
+
+/**
+ * Should low-performance queries be disabled?
+ *
+ * @return bool
+ */
+function wfQueriesMustScale() {
+ global $wgMiserMode;
+ return $wgMiserMode
+ || ( SiteStats::pages() > 100000
+ && SiteStats::edits() > 1000000
+ && SiteStats::users() > 10000 );
+}
+
+/**
+ * Get the path to a specified script file, respecting file
+ * extensions; this is a wrapper around $wgScriptExtension etc.
+ *
+ * @param string $script Script filename, sans extension
+ * @return string
+ */
+function wfScript( $script = 'index' ) {
+ global $wgScriptPath, $wgScriptExtension;
+ return "{$wgScriptPath}/{$script}{$wgScriptExtension}";
+}
+
+/**
+ * Convenience function converts boolean values into "true"
+ * or "false" (string) values
+ *
+ * @param bool $value
+ * @return string
+ */
+function wfBoolToStr( $value ) {
+ return $value ? 'true' : 'false';
+}
+
+/**
+ * Load an extension messages file
+ */
+function wfLoadExtensionMessages( $extensionName ) {
+ global $wgExtensionMessagesFiles, $wgMessageCache;
+ if ( !empty( $wgExtensionMessagesFiles[$extensionName] ) ) {
+ $wgMessageCache->loadMessagesFile( $wgExtensionMessagesFiles[$extensionName] );
+ // Prevent double-loading
+ $wgExtensionMessagesFiles[$extensionName] = false;
+ }
+}
+
+/**
+ * Get a platform-independent path to the null file, e.g.
+ * /dev/null
+ *
+ * @return string
+ */
+function wfGetNull() {
+ return wfIsWindows()
+ ? 'NUL'
+ : '/dev/null';
+}
+
+/**
+ * Displays a maxlag error
+ *
+ * @param string $host Server that lags the most
+ * @param int $lag Maxlag (actual)
+ * @param int $maxLag 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";
+ }
+}
dépôts / lhc / web / wiklou.git / blobdiff