<?php
+/**
+ * Global functions used everywhere
+ * @file
+ */
if ( !defined( 'MEDIAWIKI' ) ) {
die( "This file is part of MediaWiki, it is not a valid entry point" );
}
-/**
- * Global functions used everywhere
- */
-
require_once dirname(__FILE__) . '/normal/UtfNormalUtil.php';
-require_once dirname(__FILE__) . '/XmlFunctions.php';
// Hide compatibility functions from Doxygen
/// @cond
# 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 );
}
}
-# 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 );
+ /**
+ * 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( func_num_args() >= 3 ) {
- $end = func_get_arg( 2 );
- return join( '', array_slice( $ar[0], $start, $end ) );
+ if( $count !== 'end' ) {
+ $split = mb_substr_split_unicode( $str, intval( $count ) );
+ $str = substr( $str, 0, $split );
+ }
+
+ return $str;
+ }
+
+ 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 {
- return join( '', array_slice( $ar[0], $start ) );
+ $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;
}
}
$ar = array();
preg_match_all( '/'.$needle.'/u', $haystack, $ar, PREG_OFFSET_CAPTURE, $offset );
- if( isset( $ar[0] ) && count( $ar[0] ) > 0 &&
+ 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;
- }
- }
-}
-
-if ( !function_exists( 'array_diff_key' ) ) {
- /**
- * Exists in PHP 5.1.0+
- * Not quite compatible, two-argument version only
- * Null values will cause problems due to this use of isset()
- */
- function array_diff_key( $left, $right ) {
- $result = $left;
- foreach ( $left as $key => $unused ) {
- if ( isset( $right[$key] ) ) {
- unset( $result[$key] );
- }
}
- return $result;
}
}
}
}
-/**
- * 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.
- */
-function wfClone( $object ) {
- return clone( $object );
-}
-
/**
* Seed Mersenne Twister
* No-op for compatibility; only necessary in PHP < 4.2.0
*
* ;:@$!*(),/
*
+ * However, IIS7 redirects fail when the url contains a colon (Bug 22709),
+ * so no fancy : for IIS7.
+ *
* %2F in the page titles seems to fatally break for some reason.
*
* @param $s String:
* @return string
*/
function wfUrlencode( $s ) {
+ static $needle;
+ if ( is_null( $needle ) ) {
+ $needle = array( '%3B','%40','%24','%21','%2A','%28','%29','%2C','%2F' );
+ if (! isset($_SERVER['SERVER_SOFTWARE']) || ( strpos($_SERVER['SERVER_SOFTWARE'], "Microsoft-IIS/7") === false)) {
+ $needle[] = '%3A';
+ }
+ }
+
$s = urlencode( $s );
$s = str_ireplace(
- array( '%3B','%3A','%40','%24','%21','%2A','%28','%29','%2C','%2F' ),
- array( ';', ':', '@', '$', '!', '*', '(', ')', ',', '/' ),
+ $needle,
+ array( ';', '@', '$', '!', '*', '(', ')', ',', '/', ':' ),
$s
);
*/
function wfDebug( $text, $logonly = false ) {
global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
- global $wgDebugLogPrefix;
+ global $wgDebugLogPrefix, $wgShowDebug;
static $recursion = 0;
static $cache = array(); // Cache of unoutputted messages
+ $text = wfDebugTimer() . $text;
# 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 ( $wgDebugComments && !$logonly ) {
+ if ( ( $wgDebugComments || $wgShowDebug ) && !$logonly ) {
$cache[] = $text;
if ( !isset( $wgOut ) ) {
array_map( array( $wgOut, 'debug' ), $cache );
$cache = array();
}
- if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
+ 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 );
}
}
+function wfDebugTimer() {
+ global $wgDebugTimestamps;
+ if ( !$wgDebugTimestamps ) return '';
+ static $start = null;
+
+ if ( $start === null ) {
+ $start = microtime( true );
+ $prefix = "\n$start";
+ } else {
+ $prefix = sprintf( "%6.4f", microtime( true ) - $start );
+ }
+
+ return $prefix . ' ';
+}
+
/**
* Send a line giving PHP memory usage.
* @param $exact Bool: print exact values instead of kilobytes (default: false)
/**
* Log to a file without getting "file size exceeded" signals.
- *
- * Can also log to TCP or UDP with the syntax udp://host:port/prefix. This will
+ *
+ * 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.
*/
function wfErrorLog( $text, $file ) {
if ( substr( $file, 0, 4 ) == 'udp:' ) {
+ # Needs the sockets extension
if ( preg_match( '!^(tcp|udp):(?://)?\[([0-9a-fA-F:]+)\]:(\d+)(?:/(.*))?$!', $file, $m ) ) {
// IPv6 bracketed host
$protocol = $m[1];
$host = $m[2];
- $port = $m[3];
+ $port = intval( $m[3] );
$prefix = isset( $m[4] ) ? $m[4] : false;
+ $domain = AF_INET6;
} elseif ( preg_match( '!^(tcp|udp):(?://)?([a-zA-Z0-9.-]+):(\d+)(?:/(.*))?$!', $file, $m ) ) {
$protocol = $m[1];
$host = $m[2];
- $port = $m[3];
+ if ( !IP::isIPv4( $host ) ) {
+ $host = gethostbyname( $host );
+ }
+ $port = intval( $m[3] );
$prefix = isset( $m[4] ) ? $m[4] : false;
+ $domain = AF_INET;
} else {
throw new MWException( __METHOD__.": Invalid UDP specification" );
}
}
}
- $sock = fsockopen( "$protocol://$host", $port );
+ $sock = socket_create( $domain, SOCK_DGRAM, SOL_UDP );
if ( !$sock ) {
return;
}
- fwrite( $sock, $text );
- fclose( $sock );
+ socket_sendto( $sock, $text, strlen( $text ), 0, $host, $port );
+ socket_close( $sock );
} else {
wfSuppressWarnings();
$exists = file_exists( $file );
global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
global $wgProfiler, $wgProfileLimit, $wgUser;
# Profiling must actually be enabled...
- if( !isset( $wgProfiler ) ) return;
+ if( is_null( $wgProfiler ) ) return;
# Get total page request time
$now = wfTime();
$elapsed = $now - $wgRequestTime;
$log = sprintf( "%s\t%04.3f\t%s\n",
gmdate( 'YmdHis' ), $elapsed,
urldecode( $wgRequest->getRequestURL() . $forward ) );
- if ( '' != $wgDebugLogFile && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
+ if ( $wgDebugLogFile != '' && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
wfErrorLog( $log . $prof, $wgDebugLogFile );
}
}
if ( !is_null( $wgReadOnly ) ) {
return (bool)$wgReadOnly;
}
- if ( '' == $wgReadOnlyFile ) {
+ if ( $wgReadOnlyFile == '' ) {
return false;
}
// Set $wgReadOnly for faster access next time
* functionality), or if it is true then use the wikis
* @return Language object
*/
-function wfGetLangObj( $langcode = false ){
+function wfGetLangObj( $langcode = false ) {
# Identify which language to get or create a language object for.
- if( $langcode instanceof Language )
- # Great, we already have the object!
+ # Using is_object here due to Stub objects.
+ if( is_object( $langcode ) ) {
+ # Great, we already have the object (hopefully)!
return $langcode;
-
- global $wgContLang;
- if( $langcode === $wgContLang->getCode() || $langcode === true )
+ }
+
+ global $wgContLang, $wgLanguageCode;
+ if( $langcode === true || $langcode === $wgLanguageCode ) {
# $langcode is the language code of the wikis content language object.
# or it is a boolean and value is true
return $wgContLang;
-
+ }
+
global $wgLang;
- if( $langcode === $wgLang->getCode() || $langcode === false )
+ if( $langcode === false || $langcode === $wgLang->getCode() ) {
# $langcode is the language code of user language object.
# or it was a boolean and value is false
return $wgLang;
+ }
$validCodes = array_keys( Language::getLanguageNames() );
- if( in_array( $langcode, $validCodes ) )
+ if( in_array( $langcode, $validCodes ) ) {
# $langcode corresponds to a valid language.
return Language::factory( $langcode );
+ }
# $langcode is a string, but not a valid language code; use content language.
wfDebug( "Invalid language code passed to wfGetLangObj, falling back to content language.\n" );
return $wgContLang;
}
+/**
+ * Use this instead of $wgContLang, when working with user interface.
+ * User interface is currently hard coded according to wiki content language
+ * 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).
+ */
+function wfUILang() {
+ global $wgBetterDirectionality;
+ return wfGetLangObj( !$wgBetterDirectionality );
+}
+
/**
* Get a message from anywhere, for the current user language.
*
* defined in languages/Language.php
*
* This function also takes extra optional parameters (not
- * shown in the function definition), which can by used to
+ * shown in the function definition), which can be used to
* insert variable text into the predefined message.
*/
function wfMsg( $key ) {
*
* Be wary of this distinction: If you use wfMsg() where you should
* use wfMsgForContent(), a user of the software may have to
- * customize over 70 messages in order to, e.g., fix a link in every
- * possible language.
+ * customize potentially hundreds of messages in
+ * 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
* @param $key String: key to get.
* @param $args
* @param $useDB Boolean
+ * @param $forContent Mixed: Language code, or false for user lang, true for content lang.
* @param $transform Boolean: Whether or not to transform the message.
- * @param $forContent Boolean
* @return String: the requested message.
*/
function wfMsgReal( $key, $args, $useDB = true, $forContent = false, $transform = true ) {
* behaves as a content language switch if it is a boolean.
* @param $transform Boolean: whether to parse magic words, etc.
* @return string
- * @private
*/
function wfMsgGetKey( $key, $useDB, $langCode = false, $transform = true ) {
- global $wgContLang, $wgMessageCache;
+ global $wgMessageCache;
wfRunHooks('NormalizeMessageKey', array(&$key, &$useDB, &$langCode, &$transform));
-
- # If $wgMessageCache isn't initialised yet, try to return something sensible.
- if( is_object( $wgMessageCache ) ) {
- $message = $wgMessageCache->get( $key, $useDB, $langCode );
- if ( $transform ) {
- $message = $wgMessageCache->transform( $message );
- }
- } else {
- $lang = wfGetLangObj( $langCode );
-
- # 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;
- }
+ if ( !is_object( $wgMessageCache ) ) {
+ throw new MWException( "Trying to get message before message cache is initialised" );
}
+ $message = $wgMessageCache->get( $key, $useDB, $langCode );
+ if( $message === false ){
+ $message = '<' . htmlspecialchars( $key ) . '>';
+ } elseif ( $transform ) {
+ $message = $wgMessageCache->transform( $message );
+ }
return $message;
}
* <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>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
*/
function wfShowingResultsNum( $offset, $limit, $num ) {
global $wgLang;
- return wfMsgExt( 'showingresultsnum', array( 'parseinline' ), $wgLang->formatNum( $limit ),
+ return wfMsgExt( 'showingresultsnum', array( 'parseinline' ), $wgLang->formatNum( $limit ),
$wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
}
$q .= '&'.$query;
}
$plink = '<a href="' . $title->escapeLocalUrl( $q ) . "\" title=\"{$pTitle}\" class=\"mw-prevlink\">{$prev}</a>";
- } else {
+ } else {
$plink = $prev;
}
# Make 'next' link
$nlink = '<a href="' . $title->escapeLocalUrl( $q ) . "\" title=\"{$nTitle}\" class=\"mw-nextlink\">{$next}</a>";
}
# Make links to set number of items per page
- $nums = $wgLang->pipeList( array(
+ $nums = $wgLang->pipeList( array(
wfNumLink( $offset, 20, $title, $query ),
wfNumLink( $offset, 50, $title, $query ),
wfNumLink( $offset, 100, $title, $query ),
*/
function wfNumLink( $offset, $limit, $title, $query = '' ) {
global $wgLang;
- if( $query == '' ) {
+ if( $query == '' ) {
$q = '';
- } else {
+ } else {
$q = $query.'&';
}
$q .= "limit={$limit}&offset={$offset}";
* @return bool Whereas client accept gzip compression
*/
function wfClientAcceptsGzip() {
- global $wgUseGzip;
- if( $wgUseGzip ) {
+ if( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
# FIXME: we may want to blacklist some broken browsers
$m = array();
if( preg_match(
* "days=7&limit=100". Options in the first array override options in the second.
* Options set to "" will not be output.
*/
-function wfArrayToCGI( $array1, $array2 = NULL )
+function wfArrayToCGI( $array1, $array2 = null )
{
if ( !is_null( $array2 ) ) {
$array1 = $array1 + $array2;
$cgi = '';
foreach ( $array1 as $key => $value ) {
- if ( '' !== $value ) {
- if ( '' != $cgi ) {
+ if ( $value !== '' ) {
+ if ( $cgi != '' ) {
$cgi .= '&';
}
if ( is_array( $value ) ) {
}
/**
- * Expand a potentially local URL to a fully-qualified URL.
- * Assumes $wgServer is correct. :)
+ * Expand a potentially local URL to a fully-qualified URL. Assumes $wgServer
+ * and $wgProto are correct.
+ *
+ * @todo this won't work with current-path-relative URLs
+ * like "subdir/foo.html", etc.
+ *
* @param $url String: either fully-qualified or a local path + query
* @return string Fully-qualified URL
*/
function wfExpandUrl( $url ) {
- if( substr( $url, 0, 1 ) == '/' ) {
+ if( substr( $url, 0, 2 ) == '//' ) {
+ global $wgProto;
+ return $wgProto . ':' . $url;
+ } elseif( substr( $url, 0, 1 ) == '/' ) {
global $wgServer;
return $wgServer . $url;
} else {
* Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
* function puts single quotes in regardless of OS.
*
- * Also fixes the locale problems on Linux in PHP 5.2.6+ (bug backported to
+ * Also fixes the locale problems on Linux in PHP 5.2.6+ (bug backported to
* earlier distro releases of PHP)
*/
function wfEscapeShellArg( ) {
// Double the backslashes before any double quotes. Escape the double quotes.
$tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
$arg = '';
- $delim = false;
+ $iteration = 0;
foreach ( $tokens as $token ) {
- if ( $delim ) {
+ if ( $iteration % 2 == 1 ) {
+ // Delimiter, a double quote preceded by zero or more slashes
$arg .= str_replace( '\\', '\\\\', substr( $token, 0, -1 ) ) . '\\"';
- } else {
+ } else if ( $iteration % 4 == 2 ) {
+ // ^ in $token will be outside quotes, need to be escaped
+ $arg .= str_replace( '^', '^^', $token );
+ } else { // $iteration % 4 == 0
+ // ^ in $token will appear inside double quotes, so leave as is
$arg .= $token;
}
- $delim = !$delim;
+ $iteration++;
}
// Double the backslashes before the end of the string, because
// we will soon add a quote
pclose( $handle );
unlink( $mytextName ); unlink( $oldtextName ); unlink( $yourtextName );
- if ( $result === '' && $old !== '' && $conflict == false ) {
+ if ( $result === '' && $old !== '' && !$conflict ) {
wfDebug( "Unexpected null result from diff3. Command: $cmd\n" );
$conflict = true;
}
if ($before == $after) {
return '';
}
-
+
global $wgDiff;
# This check may also protect against code injection in
fwrite( $oldtextFile, $before ); fclose( $oldtextFile );
fwrite( $newtextFile, $after ); fclose( $newtextFile );
-
+
// Get the diff of the two files
$cmd = "$wgDiff " . $params . ' ' .wfEscapeShellArg( $oldtextName, $newtextName );
-
+
$h = popen( $cmd, 'r' );
-
+
$diff = '';
-
+
do {
$data = fread( $h, 8192 );
if ( strlen( $data ) == 0 ) {
}
$diff .= $data;
} while ( true );
-
+
// Clean up
pclose( $h );
unlink( $oldtextName );
unlink( $newtextName );
-
+
// Kill the --- and +++ lines. They're not useful.
$diff_lines = explode( "\n", $diff );
if (strpos( $diff_lines[0], '---' ) === 0) {
if (strpos( $diff_lines[1], '+++' ) === 0) {
unset($diff_lines[1]);
}
-
+
$diff = implode( "\n", $diff_lines );
-
+
return $diff;
}
} elseif( array_key_exists( '*/*', $avail ) ) {
return '*/*';
} else {
- return NULL;
+ return null;
}
}
}
}
$bestq = 0;
- $besttype = NULL;
+ $besttype = null;
foreach( array_keys( $combine ) as $type ) {
if( $combine[$type] > $bestq ) {
}
} else {
if ( !$suppressCount ) {
- $originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE ) );
+ $originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE ) );
}
++$suppressCount;
}
# TS_EXIF
} elseif (preg_match('/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/D',$ts,$da)) {
# TS_MW
- } elseif (preg_match('/^\d{1,13}$/D',$ts)) {
+ } elseif (preg_match('/^-?\d{1,13}$/D',$ts)) {
# TS_UNIX
$uts = $ts;
} elseif (preg_match('/^\d{2}-\d{2}-\d{4} \d{2}:\d{2}:\d{2}.\d{6}$/', $ts)) {
$notice = '';
}
}
-
+ $notice = '<div id="localNotice">'.$notice.'</div>';
wfProfileOut( $fname );
return $notice;
}
}
function wfGetSiteNotice() {
- global $wgUser, $wgSiteNotice;
+ global $wgUser;
$fname = 'wfGetSiteNotice';
wfProfileIn( $fname );
$siteNotice = '';
* @deprecated
*/
function &wfGetMimeMagic() {
+ wfDeprecated( __FUNCTION__ );
return MimeMagic::singleton();
}
/**
- * Tries to get the system directory for temporary files.
- * The TMPDIR, TMP, and TEMP environment variables are checked in sequence,
- * and if none are set /tmp is returned as the generic Unix default.
+ * Tries to get the system directory for temporary files. For PHP >= 5.2.1,
+ * we'll use sys_get_temp_dir(). The TMPDIR, TMP, and TEMP environment
+ * variables are then checked in sequence, and if none are set /tmp is
+ * returned as the generic Unix default.
+ * It is common to call it with tempnam().
*
- * NOTE: When possible, use the tempfile() function to create temporary
- * files to avoid race conditions on file creation, etc.
+ * NOTE: When possible, use instead the tmpfile() function to create
+ * temporary files to avoid race conditions on file creation, etc.
*
* @return String
*/
function wfTempDir() {
+ if( function_exists( 'sys_get_temp_dir' ) ) {
+ return sys_get_temp_dir();
+ }
foreach( array( 'TMPDIR', 'TMP', 'TEMP' ) as $var ) {
$tmp = getenv( $var );
if( $tmp && file_exists( $tmp ) && is_dir( $tmp ) && is_writable( $tmp ) ) {
/**
* Make directory, and make all parent directories if they don't exist
- *
+ *
* @param $dir String: full path to directory to create
* @param $mode Integer: chmod value to use, default is $wgDirectoryMode
* @param $caller String: optional caller param for debugging.
if ( is_null( $mode ) )
$mode = $wgDirectoryMode;
- return mkdir( $dir, $mode, true ); // PHP5 <3
+ // Turn off the normal warning, we're doing our own below
+ wfSuppressWarnings();
+ $ok = mkdir( $dir, $mode, true ); // PHP5 <3
+ wfRestoreWarnings();
+
+ if( !$ok ) {
+ // PHP doesn't report the path in its warning message, so add our own to aid in diagnosis.
+ trigger_error( __FUNCTION__ . ": failed to mkdir \"$dir\" mode $mode", E_USER_WARNING );
+ }
+ return $ok;
}
/**
* looked up didn't exist but a XHTML string, this function checks for the
* nonexistance of messages by looking at wfMsg() output
*
- * @param $msg String: the message key looked up
- * @param $wfMsgOut String: the output of wfMsg*()
- * @return Boolean
+ * @param $key String: the message key looked up
+ * @return Boolean True if the message *doesn't* exist.
*/
-function wfEmptyMsg( $msg, $wfMsgOut ) {
- return $wfMsgOut === htmlspecialchars( "<$msg>" );
+function wfEmptyMsg( $key ) {
+ global $wgMessageCache;
+ return $wgMessageCache->get( $key, /*useDB*/true, /*content*/false ) === false;
}
/**
function wfUrlProtocols() {
global $wgUrlProtocols;
+ static $retval = null;
+ if ( !is_null( $retval ) )
+ return $retval;
+
// Support old-style $wgUrlProtocols strings, for backwards compatibility
// with LocalSettings files from 1.5
if ( is_array( $wgUrlProtocols ) ) {
foreach ($wgUrlProtocols as $protocol)
$protocols[] = preg_quote( $protocol, '/' );
- return implode( '|', $protocols );
+ $retval = implode( '|', $protocols );
} else {
- return $wgUrlProtocols;
+ $retval = $wgUrlProtocols;
}
+ return $retval;
}
/**
|| preg_match( "/^\s*[+-]?0*[1-9]/", $val ); // approx C atoi() function
}
+/**
+ * Wrapper function for PHP's dl(). This doesn't work in most situations from
+ * PHP 5.3 onward, and is usually disabled in shared environments anyway.
+ *
+ * @param $extension String A PHP extension. The file suffix (.so or .dll)
+ * should be omitted
+ * @return Bool - Whether or not the extension is loaded
+ */
+function wfDl( $extension ) {
+ if( extension_loaded( $extension ) ) {
+ return true;
+ }
+
+ $canDl = ( function_exists( 'dl' ) && is_callable( 'dl' )
+ && wfIniGetBool( 'enable_dl' ) && !wfIniGetBool( 'safe_mode' ) );
+
+ if( $canDl ) {
+ wfSuppressWarnings();
+ dl( $extension . '.' . PHP_SHLIB_SUFFIX );
+ wfRestoreWarnings();
+ }
+ return extension_loaded( $extension );
+}
+
/**
* Execute a shell command, with time and memory limits mirrored from the PHP
* configuration if supported.
$cmd = escapeshellarg( $script ) . " $time $mem $filesize " . escapeshellarg( $cmd );
}
}
- } elseif ( php_uname( 's' ) == 'Windows NT' ) {
+ } elseif ( php_uname( 's' ) == 'Windows NT' &&
+ version_compare( PHP_VERSION, '5.3.0', '<' ) )
+ {
# This is a hack to work around PHP's flawed invocation of cmd.exe
# http://news.php.net/php.internals/21796
- $cmd = '"' . $cmd . '"'; // FIXME: breaking Vista sp2/PHP 5.2.9(2)
+ # Which is fixed in 5.3.0 :)
+ $cmd = '"' . $cmd . '"';
}
wfDebug( "wfShellExec: $cmd\n" );
return $output;
}
-/**
- * Executes a shell command in the background. Passes back the PID of the operation
- *
- * @param $cmd String
- */
-function wfShellBackgroundExec( $cmd ){
- wfDebug( "wfShellBackgroundExec: $cmd\n" );
-
- if ( ! wfShellExecEnabled() ) {
- return "Unable to run external programs";
- }
-
- $pid = shell_exec( "nohup $cmd > /dev/null & echo $!" );
- return $pid;
-}
-
-/**
- * Checks if the current instance can execute a shell command
- *
- */
-function wfShellExecEnabled(){
- if( wfIniGetBool( 'safe_mode' ) ) {
- wfDebug( "wfShellExec can't run in safe_mode, PHP's exec functions are too broken.\n" );
- return false;
- }
- $functions = explode( ',', ini_get( 'disable_functions' ) );
- $functions = array_map( 'trim', $functions );
- $functions = array_map( 'strtolower', $functions );
- if ( in_array( 'passthru', $functions ) ) {
- wfDebug( "passthru is in disabled_functions\n" );
- return false;
- }
- return true;
-}
-
/**
* Workaround for http://bugs.php.net/bug.php?id=45132
* escapeshellarg() destroys non-ASCII characters if LANG is not a UTF-8 locale
throw new MWException( "MediaWiki $req_ver required--this is only $wgVersion" );
}
-/**
- * @deprecated use StringUtils::escapeRegexReplacement
- */
-function wfRegexReplacement( $string ) {
- return StringUtils::escapeRegexReplacement( $string );
-}
-
/**
* Return the final portion of a pathname.
* Reimplemented because PHP5's basename() is buggy with multibyte text.
/**
* Merge arrays in the style of getUserPermissionsErrors, with duplicate removal
* e.g.
- * wfMergeErrorArrays(
- * array( array( 'x' ) ),
- * array( array( 'x', '2' ) ),
- * array( array( 'x' ) ),
+ * wfMergeErrorArrays(
+ * array( array( 'x' ) ),
+ * array( array( 'x', '2' ) ),
+ * array( array( 'x' ) ),
* array( array( 'y') )
* );
* returns:
- * array(
+ * array(
* array( 'x', '2' ),
* array( 'x' ),
* array( 'y' )
* )
*/
-function wfMergeErrorArrays(/*...*/) {
+function wfMergeErrorArrays( /*...*/ ) {
$args = func_get_args();
$out = array();
foreach ( $args as $errors ) {
foreach ( $errors as $params ) {
+ # FIXME: sometimes get nested arrays for $params,
+ # which leads to E_NOTICEs
$spec = implode( "\t", $params );
$out[$spec] = $params;
}
$wgPostCommitUpdateList = array();
}
-/**
- * @deprecated use StringUtils::explodeMarkup
- */
-function wfExplodeMarkup( $separator, $text ) {
- 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.
}
}
-/**
- * Alias for modularized function
- * @deprecated Use Http::get() instead
- */
-function wfGetHTTP( $url ) {
- wfDeprecated(__FUNCTION__);
- $status = Http::get( $url );
- if( $status->isOK() )
- return $status->value;
- return null;
-}
-
-/**
- * Alias for modularized function
- * @deprecated Use Http::isLocalURL() instead
- */
-function wfIsLocalURL( $url ) {
- wfDeprecated(__FUNCTION__);
- return Http::isLocalURL( $url );
-}
-
function wfHttpOnlySafe() {
global $wgHttpOnlyBlacklist;
if( !version_compare("5.2", PHP_VERSION, "<") )
}
}
}
-
+
return true;
}
* Initialise php session
*/
function wfSetupSession() {
- global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain,
+ global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain,
$wgCookieSecure, $wgCookieHttpOnly, $wgSessionHandler;
if( $wgSessionsInMemcached ) {
require_once( 'MemcachedSessions.php' );
}
/**
- * Return a string consisting all callers in stack, somewhat useful sometimes
- * for profiling specific points
+ * Return a string consisting of callers in the stack. Useful sometimes
+ * for profiling specific points.
+ *
+ * @param $limit The maximum depth of the stack frame to return, or false for
+ * the entire stack.
*/
-function wfGetAllCallers() {
- return implode('/', array_map('wfFormatStackFrame',array_reverse(wfDebugBacktrace())));
+function wfGetAllCallers( $limit = 3 ) {
+ $trace = array_reverse( wfDebugBacktrace() );
+ if ( !$limit || $limit > count( $trace ) - 1 ) {
+ $limit = count( $trace ) - 1;
+ }
+ $trace = array_slice( $trace, -$limit - 1, $limit );
+ return implode( '/', array_map( 'wfFormatStackFrame', $trace ) );
}
/**
function wfMemcKey( /*... */ ) {
$args = func_get_args();
$key = wfWikiID() . ':' . implode( ':', $args );
+ $key = str_replace( ' ', '_', $key );
return $key;
}
/**
* Find a file.
* Shortcut for RepoGroup::singleton()->findFile()
- * @param $title Title object or string. May be interwiki.
- * @param $time Mixed: requested time for an archived image, or false for the
- * current version. An image object will be returned which was
- * created at the specified time.
- * @param $flags Mixed: FileRepo::FIND_ flags
- * @param $bypass Boolean: bypass the file cache even if it could be used
+ * @param $title Either a string or Title object
+ * @param $options Associative array of options:
+ * time: requested time for an archived image, or false for the
+ * current version. An image object will be returned which was
+ * created at the specified time.
+ *
+ * ignoreRedirect: If true, do not follow file redirects
+ *
+ * private: If true, return restricted (deleted) files if the current
+ * user is allowed to view them. Otherwise, such files will not
+ * be found.
+ *
+ * bypassCache: If true, do not use the process-local cache of File objects
+ *
* @return File, or false if the file does not exist
*/
-function wfFindFile( $title, $time = false, $flags = 0, $bypass = false ) {
- if( !$time && !$flags && !$bypass ) {
- return FileCache::singleton()->findFile( $title );
- } else {
- return RepoGroup::singleton()->findFile( $title, $time, $flags );
- }
+function wfFindFile( $title, $options = array() ) {
+ return RepoGroup::singleton()->findFile( $title, $options );
}
/**
* 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
+ * @return File, or null if passed an invalid Title
*/
function wfLocalFile( $title ) {
return RepoGroup::singleton()->getLocalRepo()->newFile( $title );
/**
* Load an extension messages file
- * @deprecated
+ * @deprecated in 1.16 (warnings in 1.18, removed in ?)
*/
function wfLoadExtensionMessages( $extensionName, $langcode = false ) {
}
}
}
+/**
+ * Send a warning either to the debug log or in a PHP error depending on
+ * $wgDevelopmentWarnings
+ *
+ * @param $msg String: message to send
+ * @param $callerOffset Integer: number of itmes to go back in the backtrace to
+ * find the correct caller (1 = function calling wfWarn, ...)
+ * @param $level Integer: PHP error level; only used when $wgDevelopmentWarnings
+ * is true
+ */
function wfWarn( $msg, $callerOffset = 1, $level = E_USER_NOTICE ) {
$callers = wfDebugBacktrace();
if( isset( $callers[$callerOffset+1] ) ){
* to use this outside maintenance scripts in its present form.
*
* @param $maxLag Integer
+ * @param $wiki mixed Wiki identifier accepted by wfGetLB
* @return null
*/
-function wfWaitForSlaves( $maxLag ) {
+function wfWaitForSlaves( $maxLag, $wiki = false ) {
if( $maxLag ) {
- $lb = wfGetLB();
- list( $host, $lag ) = $lb->getMaxLag();
+ $lb = wfGetLB( $wiki );
+ list( $host, $lag ) = $lb->getMaxLag( $wiki );
while( $lag > $maxLag ) {
$name = @gethostbyaddr( $host );
if( $name !== false ) {
}
/**
- * Count down from $n to zero on the terminal, with a one-second pause
+ * Count down from $n to zero on the terminal, with a one-second pause
* between showing each number. For use in command-line scripts.
*/
function wfCountDown( $n ) {
for ( $i = $n; $i >= 0; $i-- ) {
if ( $i != $n ) {
echo str_repeat( "\x08", strlen( $i + 1 ) );
- }
+ }
echo $i;
flush();
if ( $i ) {
* @param $name Mixed: filename to process
*/
function wfStripIllegalFilenameChars( $name ) {
+ global $wgIllegalFileChars;
$name = wfBaseName( $name );
- $name = preg_replace ( "/[^".Title::legalChars()."]|:/", '-', $name );
+ $name = preg_replace("/[^".Title::legalChars()."]".($wgIllegalFileChars ? "|[".$wgIllegalFileChars."]":"")."/",'-',$name);
return $name;
}
// Find the offset of the element to insert after.
$keys = array_keys($array);
$offsetByKey = array_flip( $keys );
-
+
$offset = $offsetByKey[$after];
-
+
// Insert at the specified offset
$before = array_slice( $array, 0, $offset + 1, true );
$after = array_slice( $array, $offset + 1, count($array)-$offset, true );
-
+
$output = $before + $insert + $after;
-
+
return $output;
}
/* Recursively converts the parameter (an object) to an array with the same data */
function wfObjectToArray( $object, $recursive = true ) {
$array = array();
- foreach ( get_object_vars($object) as $key => $value ) {
- if ( is_object($value) && $recursive ) {
+ foreach ( get_object_vars( $object ) as $key => $value ) {
+ if ( is_object( $value ) && $recursive ) {
$value = wfObjectToArray( $value );
}
-
+
$array[$key] = $value;
}
-
+
return $array;
}
-/* Get the normalised IETF language tag */
+/**
+ * Set PHP's memory limit to the larger of php.ini or $wgMemoryLimit;
+ * @return Integer value memory was set to.
+ */
+function wfMemoryLimit() {
+ global $wgMemoryLimit;
+ $memlimit = wfShorthandToInteger( ini_get( "memory_limit" ) );
+ $conflimit = wfShorthandToInteger( $wgMemoryLimit );
+ if( $memlimit != -1 ) {
+ if( $conflimit == -1 ) {
+ wfDebug( "Removing PHP's memory limit\n" );
+ wfSuppressWarnings();
+ ini_set( "memory_limit", $conflimit );
+ wfRestoreWarnings();
+ return $conflimit;
+ } elseif ( $conflimit > $memlimit ) {
+ wfDebug( "Raising PHP's memory limit to $conflimit bytes\n" );
+ wfSuppressWarnings();
+ ini_set( "memory_limit", $conflimit );
+ wfRestoreWarnings();
+ return $conflimit;
+ }
+ }
+ return $memlimit;
+}
+
+/**
+ * Converts shorthand byte notation to integer form
+ * @param $string String
+ * @return Integer
+ */
+function wfShorthandToInteger ( $string = '' ) {
+ $string = trim($string);
+ if( empty($string) ) { return -1; }
+ $last = strtolower($string[strlen($string)-1]);
+ $val = intval($string);
+ switch($last) {
+ case 'g':
+ $val *= 1024;
+ case 'm':
+ $val *= 1024;
+ case 'k':
+ $val *= 1024;
+ }
+
+ return $val;
+}
+
+/* Get the normalised IETF language tag
+ * @param $code String: The language code.
+ * @return $langCode String: The language code which complying with BCP 47 standards.
+ */
function wfBCP47( $code ) {
$codeSegment = explode( '-', $code );
foreach ( $codeSegment as $segNo => $seg ) {
if ( count( $codeSegment ) > 0 ) {
// ISO 3166 country code
if ( ( strlen( $seg ) == 2 ) && ( $segNo > 0 ) )
- $codeBCP[$segNo] = strtoupper ( $seg );
+ $codeBCP[$segNo] = strtoupper( $seg );
// ISO 15924 script code
else if ( ( strlen( $seg ) == 4 ) && ( $segNo > 0 ) )
$codeBCP[$segNo] = ucfirst( $seg );
+ // Use lowercase for other cases
else
- // Keep casing for other cases
- $codeBCP[$segNo] = $seg;
+ $codeBCP[$segNo] = strtolower( $seg );
} else {
- // Keep casing for single segment
- $codeBCP[$segNo] = $seg;
+ // Use lowercase for single segment
+ $codeBCP[$segNo] = strtolower( $seg );
}
}
$langCode = implode ( '-' , $codeBCP );
return $langCode;
}
+function wfArrayMap( $function, $input ) {
+ $ret = array_map( $function, $input );
+ foreach ( $ret as $key => $value ) {
+ $taint = istainted( $input[$key] );
+ if ( $taint ) {
+ taint( $ret[$key], $taint );
+ }
+ }
+ return $ret;
+}
dépôts / lhc / web / wiklou.git / blobdiff