<?php
-# Global functions used everywhere
+# $Id$
+/**
+ * Global functions used everywhere
+ * @package MediaWiki
+ */
+
+/**
+ * Some globals and requires needed
+ */
+
+/**
+ * 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
+ */
$wgTotalEdits = -1;
-include_once( "DatabaseFunctions.php" );
-include_once( "UpdateClasses.php" );
-include_once( "LogPage.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.
+require_once( 'DatabaseFunctions.php' );
+require_once( 'UpdateClasses.php' );
+require_once( 'LogPage.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.
+*/
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(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 );
+ if(strcasecmp( $from, 'utf-8' ) == 0) return utf8_decode( $string );
+ if(strcasecmp( $to, 'utf-8' ) == 0) return utf8_encode( $string );
return $string;
}
}
if( !function_exists('file_get_contents') ) {
# Exists in PHP 4.3.0+
function file_get_contents( $filename ) {
- return implode( "", file( $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)
+ {
+ preg_match_all("/./us", $str, $ar);
+
+ if(func_num_args() >= 3) {
+ $end = func_get_arg(2);
+ return join("",array_slice($ar[0],$start,$end));
+ } else {
+ return join("",array_slice($ar[0],$start));
+ }
+ }
+}
+
+/**
+ * html_entity_decode exists in PHP 4.3.0+ but is FATALLY BROKEN even then,
+ * with no UTF-8 support.
+ *
+ * @param string $string String having html entities
+ * @param $quote_style
+ * @param string $charset Encoding set to use (default 'ISO-8859-1')
+ */
+function do_html_entity_decode( $string, $quote_style=ENT_COMPAT, $charset='ISO-8859-1' ) {
+ static $trans;
+ if( !isset( $trans ) ) {
+ $trans = array_flip( get_html_translation_table( HTML_ENTITIES, $quote_style ) );
+ # Assumes $charset will always be the same through a run, and only understands
+ # utf-8 or default. Note - mixing latin1 named entities and unicode numbered
+ # ones will result in a bad link.
+ if( strcasecmp( 'utf-8', $charset ) == 0 ) {
+ $trans = array_map( 'utf8_encode', $trans );
+ }
+ }
+ return strtr( $string, $trans );
+}
+
+
+/**
+ * Where as we got a random seed
+ * @var bool $wgTotalViews
+ */
$wgRandomSeeded = false;
-function wfSeedRandom()
-{
+/**
+ * Seed Mersenne Twister
+ * Only necessary in PHP < 4.2.0
+ *
+ * @return bool
+ */
+function wfSeedRandom() {
global $wgRandomSeeded;
- if ( ! $wgRandomSeeded ) {
+ if ( ! $wgRandomSeeded && version_compare( phpversion(), '4.2.0' ) < 0 ) {
$seed = hexdec(substr(md5(microtime()),-8)) & 0x7fffffff;
mt_srand( $seed );
$wgRandomSeeded = true;
}
}
-# Generates a URL from a URL-encoded title and a query string
-# Title::getLocalURL() is preferred in most cases
-#
-function wfLocalUrl( $a, $q = "" )
-{
+/**
+ * Generates a URL from a URL-encoded title and a query string
+ * Title::getLocalURL() is preferred in most cases
+ *
+ * @param string $a URL encoded title
+ * @param string $q URL (default '')
+ */
+function wfLocalUrl( $a, $q = '' ) {
global $wgServer, $wgScript, $wgArticlePath;
- $a = str_replace( " ", "_", $a );
+ $a = str_replace( ' ', '_', $a );
- if ( "" == $a ) {
- if( "" == $q ) {
+ if ( '' == $a ) {
+ if( '' == $q ) {
$a = $wgScript;
} else {
- $a = "{$wgScript}?{$q}";
- }
- } else if ( "" == $q ) {
- $a = str_replace( "$1", $a, $wgArticlePath );
+ $a = $wgScript.'?'.$q;
+ }
+ } else if ( '' == $q ) {
+ $a = str_replace( '$1', $a, $wgArticlePath );
} else if ($wgScript != '' ) {
- $a = "{$wgScript}?title={$a}&{$q}";
- } else { //XXX ugly hack for toplevel wikis
- $a = "/{$a}&{$q}";
+ $a = "{$wgScript}?title={$a}&{$q}";
+ } else { //XXX hackish solution for toplevel wikis
+ $a = "/{$a}?{$q}";
}
return $a;
}
-function wfLocalUrlE( $a, $q = "" )
+/**
+ * @todo document
+ * @param string $a URL encoded title
+ * @param string $q URL (default '')
+ */
+function wfLocalUrlE( $a, $q = '' )
{
- return wfEscapeHTML( wfLocalUrl( $a, $q ) );
+ return htmlspecialchars( wfLocalUrl( $a, $q ) );
# die( "Call to obsolete function wfLocalUrlE()" );
}
-function wfFullUrl( $a, $q = "" ) {
- wfDebugDieBacktrace( "Call to obsolete function wfFullUrl(); use Title::getFullURL" );
-}
-
-function wfFullUrlE( $a, $q = "" ) {
- wfDebugDieBacktrace( "Call to obsolete function wfFullUrlE(); use Title::getFullUrlE" );
-
-}
-
-function wfImageUrl( $img )
-{
- global $wgUploadPath;
-
- $nt = Title::newFromText( $img );
- if( !$nt ) return "";
-
- $name = $nt->getDBkey();
- $hash = md5( $name );
-
- $url = "{$wgUploadPath}/" . $hash{0} . "/" .
- substr( $hash, 0, 2 ) . "/{$name}";
- return wfUrlencode( $url );
-}
-
-function wfImagePath( $img )
-{
- global $wgUploadDirectory;
-
- $nt = Title::newFromText( $img );
- if( !$nt ) return "";
-
- $name = $nt->getDBkey();
- $hash = md5( $name );
-
- $path = "{$wgUploadDirectory}/" . $hash{0} . "/" .
- substr( $hash, 0, 2 ) . "/{$name}";
- return $path;
-}
-
-function wfThumbUrl( $img )
-{
- global $wgUploadPath;
-
- $nt = Title::newFromText( $img );
- if( !$nt ) return "";
-
- $name = $nt->getDBkey();
- $hash = md5( $name );
-
- $url = "{$wgUploadPath}/thumb/" . $hash{0} . "/" .
- substr( $hash, 0, 2 ) . "/{$name}";
- return wfUrlencode( $url );
-}
-
-
-function wfImageThumbUrl( $name, $subdir="thumb" )
-{
- global $wgUploadPath;
-
- $hash = md5( $name );
- $url = "{$wgUploadPath}/{$subdir}/" . $hash{0} . "/" .
- substr( $hash, 0, 2 ) . "/{$name}";
- return wfUrlencode($url);
-}
-
-function wfImageArchiveUrl( $name )
-{
- global $wgUploadPath;
-
- $hash = md5( substr( $name, 15) );
- $url = "{$wgUploadPath}/archive/" . $hash{0} . "/" .
- substr( $hash, 0, 2 ) . "/{$name}";
- return wfUrlencode($url);
-}
-
-function wfUrlencode ( $s )
-{
+/**
+ * We want / and : to be included as literal characters in our title URLs.
+ * %2F in the page titles seems to fatally break for some reason.
+ *
+ * @param string $s
+ * @return string
+*/
+function wfUrlencode ( $s ) {
$s = urlencode( $s );
- $s = preg_replace( "/%3[Aa]/", ":", $s );
- $s = preg_replace( "/%2[Ff]/", "/", $s );
+ $s = preg_replace( '/%3[Aa]/', ':', $s );
+ $s = preg_replace( '/%2[Ff]/', '/', $s );
return $s;
}
-function wfUtf8Sequence($codepoint) {
- if($codepoint < 0x80) return chr($codepoint);
- if($codepoint < 0x800) return chr($codepoint >> 6 & 0x3f | 0xc0) .
- chr($codepoint & 0x3f | 0x80);
- if($codepoint < 0x10000) return chr($codepoint >> 12 & 0x0f | 0xe0) .
- chr($codepoint >> 6 & 0x3f | 0x80) .
- chr($codepoint & 0x3f | 0x80);
- if($codepoint < 0x100000) return chr($codepoint >> 18 & 0x07 | 0xf0) . # Double-check this
- chr($codepoint >> 12 & 0x3f | 0x80) .
- chr($codepoint >> 6 & 0x3f | 0x80) .
- chr($codepoint & 0x3f | 0x80);
- # Doesn't yet handle outside the BMP
+/**
+ * Return the UTF-8 sequence for a given Unicode code point.
+ * Currently doesn't work for values outside the Basic Multilingual Plane.
+ *
+ * @param string $codepoint UTF-8 code point.
+ * @return string HTML UTF-8 Entitie such as 'Ӓ'.
+ */
+function wfUtf8Sequence( $codepoint ) {
+ if($codepoint < 0x80) return chr($codepoint);
+ if($codepoint < 0x800) return chr($codepoint >> 6 & 0x3f | 0xc0) .
+ chr($codepoint & 0x3f | 0x80);
+ if($codepoint < 0x10000) return chr($codepoint >> 12 & 0x0f | 0xe0) .
+ chr($codepoint >> 6 & 0x3f | 0x80) .
+ chr($codepoint & 0x3f | 0x80);
+ if($codepoint < 0x110000) return chr($codepoint >> 18 & 0x07 | 0xf0) .
+ chr($codepoint >> 12 & 0x3f | 0x80) .
+ chr($codepoint >> 6 & 0x3f | 0x80) .
+ chr($codepoint & 0x3f | 0x80);
+
+ # There should be no assigned code points outside this range, but...
return "&#$codepoint;";
}
-function wfMungeToUtf8($string) {
+/**
+ * Converts numeric character entities to UTF-8
+ *
+ * @param string $string String to convert.
+ * @return string Converted string.
+ */
+function wfMungeToUtf8( $string ) {
global $wgInputEncoding; # This is debatable
#$string = iconv($wgInputEncoding, "UTF-8", $string);
$string = preg_replace ( '/&#([0-9]+);/e', 'wfUtf8Sequence($1)', $string );
return $string;
}
-function wfDebug( $text, $logonly = false )
-{
- global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly;
+/**
+ * Converts a single UTF-8 character into the corresponding HTML character
+ * entity (for use with preg_replace_callback)
+ *
+ * @param array $matches
+ *
+ */
+function wfUtf8Entity( $matches ) {
+ $char = $matches[0];
+ # Find the length
+ $z = ord( $char{0} );
+ if ( $z & 0x80 ) {
+ $length = 0;
+ while ( $z & 0x80 ) {
+ $length++;
+ $z <<= 1;
+ }
+ } else {
+ $length = 1;
+ }
+
+ if ( $length != strlen( $char ) ) {
+ return '';
+ }
+ if ( $length == 1 ) {
+ return $char;
+ }
+
+ # Mask off the length-determining bits and shift back to the original location
+ $z &= 0xff;
+ $z >>= $length;
+
+ # Add in the free bits from subsequent bytes
+ for ( $i=1; $i<$length; $i++ ) {
+ $z <<= 6;
+ $z |= ord( $char{$i} ) & 0x3f;
+ }
+
+ # Make entity
+ return "&#$z;";
+}
+
+/**
+ * Converts all multi-byte characters in a UTF-8 string into the appropriate
+ * character entity
+ */
+function wfUtf8ToHTML($string) {
+ return preg_replace_callback( '/[\\xc0-\\xfd][\\x80-\\xbf]*/', 'wfUtf8Entity', $string );
+}
+
+/**
+ * @todo document
+ */
+function wfDebug( $text, $logonly = false ) {
+ global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
+
+ # 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 ) {
$wgOut->debug( $text );
}
- if ( "" != $wgDebugLogFile && !$wgProfileOnly ) {
+ if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
error_log( $text, 3, $wgDebugLogFile );
}
}
-function logProfilingData()
-{
- global $wgRequestTime, $wgDebugLogFile;
+/**
+ * Log for database errors
+ * @param string $text Database error message.
+ */
+function wfLogDBError( $text ) {
+ global $wgDBerrorLog;
+ if ( $wgDBerrorLog ) {
+ $text = date('D M j G:i:s T Y') . "\t".$text;
+ error_log( $text, 3, $wgDBerrorLog );
+ }
+}
+
+/**
+ * @todo document
+ */
+function logProfilingData() {
+ global $wgRequestTime, $wgDebugLogFile, $wgDebugRawPage, $wgRequest;
global $wgProfiling, $wgProfileStack, $wgProfileLimit, $wgUser;
$now = wfTime();
- list( $usec, $sec ) = explode( " ", $wgRequestTime );
+ list( $usec, $sec ) = explode( ' ', $wgRequestTime );
$start = (float)$sec + (float)$usec;
$elapsed = $now - $start;
- if ( "" != $wgDebugLogFile ) {
+ if ( $wgProfiling ) {
$prof = wfGetProfilingOutput( $start, $elapsed );
- $forward = "";
+ $forward = '';
if( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) )
- $forward = " forwarded for " . $_SERVER['HTTP_X_FORWARDED_FOR'];
+ $forward = ' forwarded for ' . $_SERVER['HTTP_X_FORWARDED_FOR'];
if( !empty( $_SERVER['HTTP_CLIENT_IP'] ) )
- $forward .= " client IP " . $_SERVER['HTTP_CLIENT_IP'];
+ $forward .= ' client IP ' . $_SERVER['HTTP_CLIENT_IP'];
if( !empty( $_SERVER['HTTP_FROM'] ) )
- $forward .= " from " . $_SERVER['HTTP_FROM'];
+ $forward .= ' from ' . $_SERVER['HTTP_FROM'];
if( $forward )
$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
if($wgUser->getId() == 0)
- $forward .= " anon";
+ $forward .= ' anon';
$log = sprintf( "%s\t%04.3f\t%s\n",
- gmdate( "YmdHis" ), $elapsed,
+ gmdate( 'YmdHis' ), $elapsed,
urldecode( $_SERVER['REQUEST_URI'] . $forward ) );
- error_log( $log . $prof, 3, $wgDebugLogFile );
+ if ( '' != $wgDebugLogFile && ( $wgRequest->getVal('action') != 'raw' || $wgDebugRawPage ) ) {
+ error_log( $log . $prof, 3, $wgDebugLogFile );
+ }
}
}
-
-function wfReadOnly()
-{
+/**
+ * Check if the wiki read-only lock file is present. This can be used to lock
+ * off editing functions, but doesn't guarantee that the database will not be
+ * modified.
+ * @return bool
+ */
+function wfReadOnly() {
global $wgReadOnlyFile;
- if ( "" == $wgReadOnlyFile ) { return false; }
+ if ( '' == $wgReadOnlyFile ) {
+ return false;
+ }
return is_file( $wgReadOnlyFile );
}
-$wgReplacementKeys = array( "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9" );
+/**
+ * Keys strings for replacement
+ * @global array $wgReplacementKeys
+ */
+$wgReplacementKeys = array( '$1', '$2', '$3', '$4', '$5', '$6', '$7', '$8', '$9' );
-# Get a message from anywhere
+/**
+ * Get a message from anywhere
+ */
function wfMsg( $key ) {
+ global $wgRequest;
+ if ( $wgRequest->getVal( 'debugmsg' ) ) {
+ if ( $key == 'linktrail' /* a special case where we want to return something specific */ )
+ return "/^()(.*)$/sD";
+ else
+ return $key;
+ }
$args = func_get_args();
if ( count( $args ) ) {
array_shift( $args );
return wfMsgReal( $key, $args, true );
}
-# Get a message from the language file
+/**
+ * Get a message from anywhere, but don't call Language::convert
+ */
+function wfMsgNoConvert( $key ) {
+ global $wgRequest;
+ if ( $wgRequest->getVal( 'debugmsg' ) ) {
+ if ( $key == 'linktrail' /* a special case where we want to return something specific */ )
+ return "/^()(.*)$/sD";
+ else
+ return $key;
+ }
+ $args = func_get_args();
+ if ( count( $args ) ) {
+ array_shift( $args );
+ }
+ return wfMsgReal( $key, $args, true, false );
+}
+
+/**
+ * Get a message from the language file
+ */
function wfMsgNoDB( $key ) {
$args = func_get_args();
if ( count( $args ) ) {
return wfMsgReal( $key, $args, false );
}
-# Really get a message
-function wfMsgReal( $key, $args, $useDB ) {
+/**
+ * Get a message from the language file, but don't call Language::convert
+ */
+function wfMsgNoDBNoConvert( $key ) {
+ $args = func_get_args();
+ if ( count( $args ) ) {
+ array_shift( $args );
+ }
+ return wfMsgReal( $key, $args, false, false );
+}
+
+/**
+ * Really get a message
+ */
+function wfMsgReal( $key, $args, $useDB, $convert=true ) {
global $wgReplacementKeys, $wgMessageCache, $wgLang;
- $fname = "wfMsg";
+ $fname = 'wfMsg';
wfProfileIn( $fname );
if ( $wgMessageCache ) {
$message = $wgMessageCache->get( $key, $useDB );
$message = "<$key>";
}
+ if ( $convert ) {
+ $message = $wgLang->convert($message);
+ }
+
# Replace arguments
if( count( $args ) ) {
$message = str_replace( $wgReplacementKeys, $args, $message );
return $message;
}
-function wfCleanFormFields( $fields )
-{
- wfDebugDieBacktrace( "Call to obsolete wfCleanFormFields(). Use wgRequest instead..." );
-}
-
-function wfMungeQuotes( $in )
-{
- $out = str_replace( "%", "%25", $in );
- $out = str_replace( "'", "%27", $out );
- $out = str_replace( "\"", "%22", $out );
- return $out;
-}
-
-function wfDemungeQuotes( $in )
-{
- $out = str_replace( "%22", "\"", $in );
- $out = str_replace( "%27", "'", $out );
- $out = str_replace( "%25", "%", $out );
- return $out;
-}
-
-function wfCleanQueryVar( $var )
-{
- wfDebugDieBacktrace( "Call to obsolete function wfCleanQueryVar(); use wgRequest instead" );
-}
-
-function wfSpecialPage()
-{
- global $wgUser, $wgOut, $wgTitle, $wgLang;
-
- /* FIXME: this list probably shouldn't be language-specific, per se */
- $validSP = $wgLang->getValidSpecialPages();
- $sysopSP = $wgLang->getSysopSpecialPages();
- $devSP = $wgLang->getDeveloperSpecialPages();
-
- $wgOut->setArticleRelated( false );
- $wgOut->setRobotpolicy( "noindex,follow" );
-
- $bits = split( "/", $wgTitle->getDBkey(), 2 );
- $t = $bits[0];
- if( empty( $bits[1] ) ) {
- $par = NULL;
- } else {
- $par = $bits[1];
- }
-
- if ( array_key_exists( $t, $validSP ) ||
- ( $wgUser->isSysop() && array_key_exists( $t, $sysopSP ) ) ||
- ( $wgUser->isDeveloper() && array_key_exists( $t, $devSP ) ) ) {
- if($par !== NULL)
- $wgTitle = Title::makeTitle( Namespace::getSpecial(), $t );
-
- $wgOut->setPageTitle( wfMsg( strtolower( $wgTitle->getText() ) ) );
-
- $inc = "Special" . $t . ".php";
- include_once( $inc );
- $call = "wfSpecial" . $t;
- $call( $par );
- } else if ( array_key_exists( $t, $sysopSP ) ) {
- $wgOut->sysopRequired();
- } else if ( array_key_exists( $t, $devSP ) ) {
- $wgOut->developerRequired();
- } else {
- $wgOut->errorpage( "nosuchspecialpage", "nospecialpagetext" );
- }
-}
-
-function wfSearch( $s )
-{
- $se = new SearchEngine( $s );
- $se->showResults();
-}
-function wfGo( $s )
-{ # pick the nearest match
- $se = new SearchEngine( $s );
- $se->goResult();
-}
-# Just like exit() but makes a note of it.
-function wfAbruptExit(){
+/**
+ * Just like exit() but makes a note of it.
+ * Commits open transactions except if the error parameter is set
+ */
+function wfAbruptExit( $error = false ){
+ global $wgLoadBalancer;
static $called = false;
if ( $called ){
exit();
}
$called = true;
- if( function_exists( "debug_backtrace" ) ){ // PHP >= 4.3
+ if( function_exists( 'debug_backtrace' ) ){ // PHP >= 4.3
$bt = debug_backtrace();
for($i = 0; $i < count($bt) ; $i++){
- $file = $bt[$i]["file"];
- $line = $bt[$i]["line"];
+ $file = $bt[$i]['file'];
+ $line = $bt[$i]['line'];
wfDebug("WARNING: Abrupt exit in $file at line $line\n");
}
- } else {
- wfDebug("WARNING: Abrupt exit\n");
- }
- exit();
-}
-
-function wfDebugDieBacktrace( $msg = "" ) {
- $msg .= "\n<p>Backtrace:</p>\n<ul>\n";
- $backtrace = debug_backtrace();
- foreach( $backtrace as $call ) {
- $f = explode( DIRECTORY_SEPARATOR, $call['file'] );
- $file = $f[count($f)-1];
- $msg .= "<li>" . $file . " line " . $call['line'] . ", in ";
- if( !empty( $call['class'] ) ) $msg .= $call['class'] . "::";
- $msg .= $call['function'] . "()</li>\n";
+ } else {
+ wfDebug('WARNING: Abrupt exit\n');
}
- die( $msg );
-}
-
-function wfNumberOfArticles()
-{
- global $wgNumberOfArticles;
-
- wfLoadSiteStats();
- return $wgNumberOfArticles;
-}
-
-/* private */ function wfLoadSiteStats()
-{
- global $wgNumberOfArticles, $wgTotalViews, $wgTotalEdits;
- if ( -1 != $wgNumberOfArticles ) return;
-
- $sql = "SELECT ss_total_views, ss_total_edits, ss_good_articles " .
- "FROM site_stats WHERE ss_row_id=1";
- $res = wfQuery( $sql, DB_READ, "wfLoadSiteStats" );
-
- if ( 0 == wfNumRows( $res ) ) { return; }
- else {
- $s = wfFetchObject( $res );
- $wgTotalViews = $s->ss_total_views;
- $wgTotalEdits = $s->ss_total_edits;
- $wgNumberOfArticles = $s->ss_good_articles;
+ if ( !$error ) {
+ $wgLoadBalancer->closeAll();
}
+ exit();
}
-function wfEscapeHTML( $in )
-{
- return str_replace(
- array( "&", "\"", ">", "<" ),
- array( "&", """, ">", "<" ),
- $in );
-}
-
-function wfEscapeHTMLTagsOnly( $in ) {
- return str_replace(
- array( "\"", ">", "<" ),
- array( """, ">", "<" ),
- $in );
-}
-
-function wfUnescapeHTML( $in )
-{
- $in = str_replace( "<", "<", $in );
- $in = str_replace( ">", ">", $in );
- $in = str_replace( """, "\"", $in );
- $in = str_replace( "&", "&", $in );
- return $in;
-}
-
-function wfImageDir( $fname )
-{
- global $wgUploadDirectory;
-
- $hash = md5( $fname );
- $oldumask = umask(0);
- $dest = $wgUploadDirectory . "/" . $hash{0};
- if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
- $dest .= "/" . substr( $hash, 0, 2 );
- if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
-
- umask( $oldumask );
- return $dest;
-}
-
-function wfImageThumbDir( $fname , $subdir="thumb")
-{
- return wfImageArchiveDir( $fname, $subdir );
-}
-
-function wfImageArchiveDir( $fname , $subdir="archive")
-{
- global $wgUploadDirectory;
-
- $hash = md5( $fname );
- $oldumask = umask(0);
- $archive = "{$wgUploadDirectory}/{$subdir}";
- if ( ! is_dir( $archive ) ) { mkdir( $archive, 0777 ); }
- $archive .= "/" . $hash{0};
- if ( ! is_dir( $archive ) ) { mkdir( $archive, 0777 ); }
- $archive .= "/" . substr( $hash, 0, 2 );
- if ( ! is_dir( $archive ) ) { mkdir( $archive, 0777 ); }
-
- umask( $oldumask );
- return $archive;
+/**
+ * @todo document
+ */
+function wfErrorExit() {
+ wfAbruptExit( true );
}
-function wfRecordUpload( $name, $oldver, $size, $desc, $copyStatus = "", $source = "" )
-{
- global $wgUser, $wgLang, $wgTitle, $wgOut, $wgDeferredUpdateList;
- global $wgUseCopyrightUpload;
-
- $fname = "wfRecordUpload";
+/**
+ * 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.
+ *
+ * @param string $msg Message shown when dieing.
+ */
+function wfDebugDieBacktrace( $msg = '' ) {
+ global $wgCommandLineMode;
- $sql = "SELECT img_name,img_size,img_timestamp,img_description,img_user," .
- "img_user_text FROM image WHERE img_name='" . wfStrencode( $name ) . "'";
- $res = wfQuery( $sql, DB_READ, $fname );
+ if ( function_exists( 'debug_backtrace' ) ) {
+ if ( $wgCommandLineMode ) {
+ $msg .= "\nBacktrace:\n";
+ } else {
+ $msg .= "\n<p>Backtrace:</p>\n<ul>\n";
+ }
+ $backtrace = debug_backtrace();
+ foreach( $backtrace as $call ) {
+ $f = explode( DIRECTORY_SEPARATOR, $call['file'] );
+ $file = $f[count($f)-1];
+ if ( $wgCommandLineMode ) {
+ $msg .= "$file line {$call['line']} calls ";
+ } else {
+ $msg .= '<li>' . $file . ' line ' . $call['line'] . ' calls ';
+ }
+ if( !empty( $call['class'] ) ) $msg .= $call['class'] . '::';
+ $msg .= $call['function'] . '()';
- $now = wfTimestampNow();
- $won = wfInvertTimestamp( $now );
- $size = IntVal( $size );
-
- if ( $wgUseCopyrightUpload )
- {
- $textdesc = "== " . wfMsg ( "filedesc" ) . " ==\n" . $desc . "\n" .
- "== " . wfMsg ( "filestatus" ) . " ==\n" . $copyStatus . "\n" .
- "== " . wfMsg ( "filesource" ) . " ==\n" . $source ;
- }
- else $textdesc = $desc ;
-
- $now = wfTimestampNow();
- $won = wfInvertTimestamp( $now );
-
- if ( 0 == wfNumRows( $res ) ) {
- $sql = "INSERT INTO image (img_name,img_size,img_timestamp," .
- "img_description,img_user,img_user_text) VALUES ('" .
- wfStrencode( $name ) . "',$size,'{$now}','" .
- wfStrencode( $desc ) . "', '" . $wgUser->getID() .
- "', '" . wfStrencode( $wgUser->getName() ) . "')";
- wfQuery( $sql, DB_WRITE, $fname );
-
- $sql = "SELECT cur_id,cur_text FROM cur WHERE cur_namespace=" .
- Namespace::getImage() . " AND cur_title='" .
- wfStrencode( $name ) . "'";
- $res = wfQuery( $sql, DB_READ, $fname );
- if ( 0 == wfNumRows( $res ) ) {
- $common =
- Namespace::getImage() . ",'" .
- wfStrencode( $name ) . "','" .
- wfStrencode( $desc ) . "','" . $wgUser->getID() . "','" .
- wfStrencode( $wgUser->getName() ) . "','" . $now .
- "',1";
- $sql = "INSERT INTO cur (cur_namespace,cur_title," .
- "cur_comment,cur_user,cur_user_text,cur_timestamp,cur_is_new," .
- "cur_text,inverse_timestamp,cur_touched) VALUES (" .
- $common .
- ",'" . wfStrencode( $textdesc ) . "','{$won}','{$now}')";
- wfQuery( $sql, DB_WRITE, $fname );
- $id = wfInsertId() or 0; # We should throw an error instead
-
- $titleObj = Title::makeTitle( NS_IMAGE, $name );
- RecentChange::notifyNew( $now, $titleObj, 0, $wgUser, $desc );
-
- $u = new SearchUpdate( $id, $name, $desc );
- $u->doUpdate();
+ if ( $wgCommandLineMode ) {
+ $msg .= "\n";
+ } else {
+ $msg .= "</li>\n";
+ }
}
- } else {
- $s = wfFetchObject( $res );
-
- $sql = "INSERT INTO oldimage (oi_name,oi_archive_name,oi_size," .
- "oi_timestamp,oi_description,oi_user,oi_user_text) VALUES ('" .
- wfStrencode( $s->img_name ) . "','" .
- wfStrencode( $oldver ) .
- "',{$s->img_size},'{$s->img_timestamp}','" .
- wfStrencode( $s->img_description ) . "','" .
- wfStrencode( $s->img_user ) . "','" .
- wfStrencode( $s->img_user_text) . "')";
- wfQuery( $sql, DB_WRITE, $fname );
-
- $sql = "UPDATE image SET img_size={$size}," .
- "img_timestamp='" . wfTimestampNow() . "',img_user='" .
- $wgUser->getID() . "',img_user_text='" .
- wfStrencode( $wgUser->getName() ) . "', img_description='" .
- wfStrencode( $desc ) . "' WHERE img_name='" .
- wfStrencode( $name ) . "'";
- wfQuery( $sql, DB_WRITE, $fname );
-
- $sql = "UPDATE cur SET cur_touched='{$now}' WHERE cur_namespace=" .
- Namespace::getImage() . " AND cur_title='" .
- wfStrencode( $name ) . "'";
- wfQuery( $sql, DB_WRITE, $fname );
- }
-
- $log = new LogPage( wfMsg( "uploadlogpage" ), wfMsg( "uploadlogpagetext" ) );
- $da = wfMsg( "uploadedimage", "[[:" . $wgLang->getNsText(
- Namespace::getImage() ) . ":{$name}|{$name}]]" );
- $ta = wfMsg( "uploadedimage", $name );
- $log->addEntry( $da, $desc, $ta );
+ }
+ die( $msg );
}
/* Some generic result counters, pulled out of SearchEngine */
-function wfShowingResults( $offset, $limit )
-{
+
+/**
+ * @todo document
+ */
+function wfShowingResults( $offset, $limit ) {
global $wgLang;
- return wfMsg( "showingresults", $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ) );
+ return wfMsg( 'showingresults', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ) );
}
-function wfShowingResultsNum( $offset, $limit, $num )
-{
+/**
+ * @todo document
+ */
+function wfShowingResultsNum( $offset, $limit, $num ) {
global $wgLang;
- return wfMsg( "showingresultsnum", $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
+ return wfMsg( 'showingresultsnum', $wgLang->formatNum( $limit ), $wgLang->formatNum( $offset+1 ), $wgLang->formatNum( $num ) );
}
-function wfViewPrevNext( $offset, $limit, $link, $query = "", $atend = false )
-{
+/**
+ * @todo document
+ */
+function wfViewPrevNext( $offset, $limit, $link, $query = '', $atend = false ) {
global $wgUser, $wgLang;
$fmtLimit = $wgLang->formatNum( $limit );
- $prev = wfMsg( "prevn", $fmtLimit );
- $next = wfMsg( "nextn", $fmtLimit );
+ $prev = wfMsg( 'prevn', $fmtLimit );
+ $next = wfMsg( 'nextn', $fmtLimit );
$link = wfUrlencode( $link );
$sk = $wgUser->getSkin();
$po = $offset - $limit;
if ( $po < 0 ) { $po = 0; }
$q = "limit={$limit}&offset={$po}";
- if ( "" != $query ) { $q .= "&{$query}"; }
- $plink = "<a href=\"" . wfLocalUrlE( $link, $q ) . "\">{$prev}</a>";
+ if ( '' != $query ) { $q .= '&'.$query; }
+ $plink = '<a href="' . wfLocalUrlE( $link, $q ) . "\">{$prev}</a>";
} else { $plink = $prev; }
$no = $offset + $limit;
- $q = "limit={$limit}&offset={$no}";
- if ( "" != $query ) { $q .= "&{$query}"; }
+ $q = 'limit='.$limit.'&offset='.$no;
+ if ( '' != $query ) { $q .= '&'.$query; }
if ( $atend ) {
$nlink = $next;
} else {
- $nlink = "<a href=\"" . wfLocalUrlE( $link, $q ) . "\">{$next}</a>";
+ $nlink = '<a href="' . wfLocalUrlE( $link, $q ) . "\">{$next}</a>";
}
- $nums = wfNumLink( $offset, 20, $link , $query ) . " | " .
- wfNumLink( $offset, 50, $link, $query ) . " | " .
- wfNumLink( $offset, 100, $link, $query ) . " | " .
- wfNumLink( $offset, 250, $link, $query ) . " | " .
+ $nums = wfNumLink( $offset, 20, $link , $query ) . ' | ' .
+ wfNumLink( $offset, 50, $link, $query ) . ' | ' .
+ wfNumLink( $offset, 100, $link, $query ) . ' | ' .
+ wfNumLink( $offset, 250, $link, $query ) . ' | ' .
wfNumLink( $offset, 500, $link, $query );
- return wfMsg( "viewprevnext", $plink, $nlink, $nums );
+ return wfMsg( 'viewprevnext', $plink, $nlink, $nums );
}
-function wfNumLink( $offset, $limit, $link, $query = "" )
-{
+/**
+ * @todo document
+ */
+function wfNumLink( $offset, $limit, $link, $query = '' ) {
global $wgUser, $wgLang;
- if ( "" == $query ) { $q = ""; }
- else { $q = "{$query}&"; }
- $q .= "limit={$limit}&offset={$offset}";
+ if ( '' == $query ) { $q = ''; }
+ else { $q = $query.'&'; }
+ $q .= 'limit='.$limit.'&offset='.$offset;
$fmtLimit = $wgLang->formatNum( $limit );
- $s = "<a href=\"" . wfLocalUrlE( $link, $q ) . "\">{$fmtLimit}</a>";
+ $s = '<a href="' . wfLocalUrlE( $link, $q ) . "\">{$fmtLimit}</a>";
return $s;
}
+/**
+ * @todo document
+ * @todo FIXME: we may want to blacklist some broken browsers
+ *
+ * @return bool Whereas client accept gzip compression
+ */
function wfClientAcceptsGzip() {
global $wgUseGzip;
if( $wgUseGzip ) {
# FIXME: we may want to blacklist some broken browsers
if( preg_match(
'/\bgzip(?:;(q)=([0-9]+(?:\.[0-9]+)))?\b/',
- $_SERVER["HTTP_ACCEPT_ENCODING"],
+ $_SERVER['HTTP_ACCEPT_ENCODING'],
$m ) ) {
- if( ( $m[1] == "q" ) && ( $m[2] == 0 ) ) return false;
+ if( isset( $m[2] ) && ( $m[1] == 'q' ) && ( $m[2] == 0 ) ) return false;
wfDebug( " accepts gzip\n" );
return true;
}
return false;
}
-# Yay, more global functions!
-function wfCheckLimits( $deflimit = 50, $optionname = "rclimit" ) {
- global $wgUser, $wgRequest;
-
- $limit = $wgRequest->getInt( 'limit', 0 );
- if( $limit < 0 ) $limit = 0;
- if( ( $limit == 0 ) && ( $optionname != "" ) ) {
- $limit = (int)$wgUser->getOption( $optionname );
- }
- if( $limit <= 0 ) $limit = $deflimit;
- if( $limit > 5000 ) $limit = 5000; # We have *some* limits...
-
- $offset = $wgRequest->getInt( 'offset', 0 );
- if( $offset < 0 ) $offset = 0;
- if( $offset > 65000 ) $offset = 65000; # do we need a max? what?
-
- return array( $limit, $offset );
+/**
+ * Yay, more global functions!
+ */
+function wfCheckLimits( $deflimit = 50, $optionname = 'rclimit' ) {
+ global $wgRequest;
+ return $wgRequest->getLimitOffset( $deflimit, $optionname );
}
-# Escapes the given text so that it may be output using addWikiText()
-# without any linking, formatting, etc. making its way through. This
-# is achieved by substituting certain characters with HTML entities.
-# As required by the callers, <nowiki> is not used. It currently does
-# not filter out characters which have special meaning only at the
-# start of a line, such as "*".
-function wfEscapeWikiText( $text )
-{
+/**
+ * Escapes the given text so that it may be output using addWikiText()
+ * without any linking, formatting, etc. making its way through. This
+ * is achieved by substituting certain characters with HTML entities.
+ * As required by the callers, <nowiki> is not used. It currently does
+ * not filter out characters which have special meaning only at the
+ * start of a line, such as "*".
+ *
+ * @param string $text Text to be escaped
+ */
+function wfEscapeWikiText( $text ) {
$text = str_replace(
- array( '[', '|', "'", 'ISBN ' , '://' , "\n=" ),
- array( '[', '|', ''', 'ISBN ', '://' , "\n=" ),
+ array( '[', '|', "'", 'ISBN ' , '://' , "\n=", '{{' ),
+ array( '[', '|', ''', 'ISBN ', '://' , "\n=", '{{' ),
htmlspecialchars($text) );
return $text;
}
-function wfQuotedPrintable( $string, $charset = "" )
-{
+/**
+ * @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 ); // ?
+ $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 .= "?=";
+ $out .= '?=';
return $out;
}
-function wfTime(){
- $st = explode( " ", microtime() );
+/**
+ * @todo document
+ * @return float
+ */
+function wfTime() {
+ $st = explode( ' ', microtime() );
return (float)$st[0] + (float)$st[1];
}
-# Changes the first character to an HTML entity
+/**
+ * Changes the first character to an HTML entity
+ */
function wfHtmlEscapeFirst( $text ) {
$ord = ord($text);
$newText = substr($text, 1);
return "&#$ord;$newText";
}
-# Sets dest to source and returns the original value of dest
-function wfSetVar( &$dest, $source )
-{
+/**
+ * Sets dest to source and returns the original value of dest
+ * If source is NULL, it just returns the value, it doesn't set the variable
+ */
+function wfSetVar( &$dest, $source ) {
$temp = $dest;
- $dest = $source;
+ if ( !is_null( $source ) ) {
+ $dest = $source;
+ }
return $temp;
}
-# Sets dest to a reference to source and returns the original dest
-function &wfSetRef( &$dest, &$source )
-{
- $temp =& $dest;
- $dest =& $source;
+/**
+ * As for wfSetVar except setting a bit
+ */
+function wfSetBit( &$dest, $bit, $state = true ) {
+ $temp = (bool)($dest & $bit );
+ if ( !is_null( $state ) ) {
+ if ( $state ) {
+ $dest |= $bit;
+ } else {
+ $dest &= ~$bit;
+ }
+ }
return $temp;
}
-# This function takes two arrays as input, and returns a CGI-style string, e.g.
-# "days=7&limit=100". Options in the first array override options in the second.
-# Options set to "" will not be output.
-function wfArrayToCGI( $array1, $array2 = NULL )
+/**
+ * This function takes two arrays as input, and returns a CGI-style string, e.g.
+ * "days=7&limit=100". Options in the first array override options in the second.
+ * Options set to "" will not be output.
+ */
+function wfArrayToCGI( $array1, $array2 = NULL )
{
if ( !is_null( $array2 ) ) {
$array1 = $array1 + $array2;
}
- $cgi = "";
+ $cgi = '';
foreach ( $array1 as $key => $value ) {
- if ( "" !== $value ) {
- if ( "" != $cgi ) {
- $cgi .= "&";
+ if ( '' !== $value ) {
+ if ( '' != $cgi ) {
+ $cgi .= '&';
}
- $cgi .= "{$key}={$value}";
+ $cgi .= $key.'='.$value;
}
}
return $cgi;
}
-# This is obsolete, use SquidUpdate::purge()
+/**
+ * This is obsolete, use SquidUpdate::purge()
+ * @deprecated
+ */
function wfPurgeSquidServers ($urlArr) {
SquidUpdate::purge( $urlArr );
}
-# Windows-compatible version of escapeshellarg()
-function wfEscapeShellArg( )
-{
+/**
+ * Windows-compatible version of escapeshellarg()
+ * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
+ * function puts single quotes in regardless of OS
+ */
+function wfEscapeShellArg( ) {
$args = func_get_args();
$first = true;
- $retVal = "";
+ $retVal = '';
foreach ( $args as $arg ) {
- if ( !$first ) {
- $retVal .= " ";
+ if ( !$first ) {
+ $retVal .= ' ';
} else {
$first = false;
}
-
- if (substr(php_uname(), 0, 7) == "Windows") {
- $retVal .= "\"$arg\"";
+
+ if ( wfIsWindows() ) {
+ $retVal .= '"' . str_replace( '"','\"', $arg ) . '"';
} else {
$retVal .= escapeshellarg( $arg );
}
return $retVal;
}
-# wfMerge attempts to merge differences between three texts.
-# Returns true for a clean merge and false for failure or a conflict.
-
+/**
+ * wfMerge attempts to merge differences between three texts.
+ * Returns true for a clean merge and false for failure or a conflict.
+ */
function wfMerge( $old, $mine, $yours, &$result ){
global $wgDiff3;
- # This check may also protect against code injection in
+ # This check may also protect against code injection in
# case of broken installations.
- if(! file_exists( $wgDiff3 ) ){
+ if(! file_exists( $wgDiff3 ) ){
return false;
}
# Make temporary files
- $td = "/tmp/";
- $oldtextFile = fopen( $oldtextName = tempnam( $td, "merge-old-" ), "w" );
- $mytextFile = fopen( $mytextName = tempnam( $td, "merge-mine-" ), "w" );
- $yourtextFile = fopen( $yourtextName = tempnam( $td, "merge-your-" ), "w" );
-
- fwrite( $oldtextFile, $old ); fclose( $oldtextFile );
- fwrite( $mytextFile, $mine ); fclose( $mytextFile );
+ $td = '/tmp/';
+ $oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
+ $mytextFile = fopen( $mytextName = tempnam( $td, 'merge-mine-' ), 'w' );
+ $yourtextFile = fopen( $yourtextName = tempnam( $td, 'merge-your-' ), 'w' );
+
+ fwrite( $oldtextFile, $old ); fclose( $oldtextFile );
+ fwrite( $mytextFile, $mine ); fclose( $mytextFile );
fwrite( $yourtextFile, $yours ); fclose( $yourtextFile );
# Check for a conflict
- $cmd = wfEscapeShellArg( $wgDiff3 ) . " -a --overlap-only " .
- wfEscapeShellArg( $mytextName ) . " " .
- wfEscapeShellArg( $oldtextName ) . " " .
- wfEscapeShellArg( $yourtextName );
- $handle = popen( $cmd, "r" );
+ $cmd = wfEscapeShellArg( $wgDiff3 ) . ' -a --overlap-only ' .
+ wfEscapeShellArg( $mytextName ) . ' ' .
+ wfEscapeShellArg( $oldtextName ) . ' ' .
+ wfEscapeShellArg( $yourtextName );
+ $handle = popen( $cmd, 'r' );
if( fgets( $handle ) ){
$conflict = true;
pclose( $handle );
# Merge differences
- $cmd = wfEscapeShellArg( $wgDiff3 ) . " -a -e --merge " .
+ $cmd = wfEscapeShellArg( $wgDiff3 ) . ' -a -e --merge ' .
wfEscapeShellArg( $mytextName, $oldtextName, $yourtextName );
- $handle = popen( $cmd, "r" );
- $result = "";
+ $handle = popen( $cmd, 'r' );
+ $result = '';
do {
$data = fread( $handle, 8192 );
if ( strlen( $data ) == 0 ) {
return ! $conflict;
}
-function wfVarDump( $var )
-{
+/**
+ * @todo document
+ */
+function wfVarDump( $var ) {
global $wgOut;
$s = str_replace("\n","<br>\n", var_export( $var, true ) . "\n");
if ( headers_sent() || !@is_object( $wgOut ) ) {
}
}
+/**
+ * Provide a simple HTTP error.
+ */
+function wfHttpError( $code, $label, $desc ) {
+ global $wgOut;
+ $wgOut->disable();
+ header( "HTTP/1.0 $code $label" );
+ header( "Status: $code $label" );
+ $wgOut->sendCacheControl();
+
+ # Don't send content if it's a HEAD request.
+ if( $_SERVER['REQUEST_METHOD'] == 'HEAD' ) {
+ header( 'Content-type: text/plain' );
+ print "$desc\n";
+ }
+}
+
+/**
+ * Converts an Accept-* header into an array mapping string values to quality
+ * factors
+ */
+function wfAcceptToPrefs( $accept, $def = '*/*' ) {
+ # No arg means accept anything (per HTTP spec)
+ if( !$accept ) {
+ return array( $def => 1 );
+ }
+
+ $prefs = array();
+
+ $parts = explode( ',', $accept );
+
+ foreach( $parts as $part ) {
+ # FIXME: doesn't deal with params like 'text/html; level=1'
+ @list( $value, $qpart ) = explode( ';', $part );
+ if( !isset( $qpart ) ) {
+ $prefs[$value] = 1;
+ } elseif( preg_match( '/q\s*=\s*(\d*\.\d+)/', $qpart, $match ) ) {
+ $prefs[$value] = $match[1];
+ }
+ }
+
+ return $prefs;
+}
+
+/**
+ * @todo document
+ * @private
+ */
+function mimeTypeMatch( $type, $avail ) {
+ if( array_key_exists($type, $avail) ) {
+ return $type;
+ } else {
+ $parts = explode( '/', $type );
+ if( array_key_exists( $parts[0] . '/*', $avail ) ) {
+ return $parts[0] . '/*';
+ } elseif( array_key_exists( '*/*', $avail ) ) {
+ return '*/*';
+ } else {
+ return NULL;
+ }
+ }
+}
+
+/**
+ * @todo FIXME: doesn't handle params like 'text/plain; charset=UTF-8'
+ * XXX: generalize to negotiate other stuff
+ */
+function wfNegotiateType( $cprefs, $sprefs ) {
+ $combine = array();
+
+ foreach( array_keys($sprefs) as $type ) {
+ $parts = explode( '/', $type );
+ if( $parts[1] != '*' ) {
+ $ckey = mimeTypeMatch( $type, $cprefs );
+ if( $ckey ) {
+ $combine[$type] = $sprefs[$type] * $cprefs[$ckey];
+ }
+ }
+ }
+
+ foreach( array_keys( $cprefs ) as $type ) {
+ $parts = explode( '/', $type );
+ if( $parts[1] != '*' && !array_key_exists( $type, $sprefs ) ) {
+ $skey = mimeTypeMatch( $type, $sprefs );
+ if( $skey ) {
+ $combine[$type] = $sprefs[$skey] * $cprefs[$type];
+ }
+ }
+ }
+
+ $bestq = 0;
+ $besttype = NULL;
+
+ foreach( array_keys( $combine ) as $type ) {
+ if( $combine[$type] > $bestq ) {
+ $besttype = $type;
+ $bestq = $combine[$type];
+ }
+ }
+
+ return $besttype;
+}
+
+/**
+ * Array lookup
+ * Returns an array where the values in the first array are replaced by the
+ * values in the second array with the corresponding keys
+ *
+ * @return array
+ */
+function wfArrayLookup( $a, $b ) {
+ return array_flip( array_intersect( array_flip( $a ), array_keys( $b ) ) );
+}
+
+
+/**
+ * Ideally we'd be using actual time fields in the db
+ * @todo fixme
+ */
+function wfTimestamp2Unix( $ts ) {
+ return gmmktime( ( (int)substr( $ts, 8, 2) ),
+ (int)substr( $ts, 10, 2 ), (int)substr( $ts, 12, 2 ),
+ (int)substr( $ts, 4, 2 ), (int)substr( $ts, 6, 2 ),
+ (int)substr( $ts, 0, 4 ) );
+}
+
+/**
+ * @todo document
+ */
+function wfUnix2Timestamp( $unixtime ) {
+ return gmdate( 'YmdHis', $unixtime );
+}
+
+/**
+ * @todo document
+ */
+function wfTimestampNow() {
+ # return NOW
+ return gmdate( 'YmdHis' );
+}
+
+/**
+ * Sorting hack for MySQL 3, which doesn't use index sorts for DESC
+ */
+function wfInvertTimestamp( $ts ) {
+ return strtr(
+ $ts,
+ '0123456789',
+ '9876543210'
+ );
+}
+
+/**
+ * Reference-counted warning suppression
+ */
+function wfSuppressWarnings( $end = false ) {
+ static $suppressCount = 0;
+ static $originalLevel = false;
+
+ if ( $end ) {
+ if ( $suppressCount ) {
+ $suppressCount --;
+ if ( !$suppressCount ) {
+ error_reporting( $originalLevel );
+ }
+ }
+ } else {
+ if ( !$suppressCount ) {
+ $originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE ) );
+ }
+ $suppressCount++;
+ }
+}
+
+/**
+ * Restore error level to previous value
+ */
+function wfRestoreWarnings() {
+ wfSuppressWarnings( true );
+}
+
+# Autodetect, convert and provide timestamps of various types
+
+/** Standard unix timestamp (number of seconds since 1 Jan 1970) */
+define('TS_UNIX',0);
+/** MediaWiki concatenated string timestamp (yyyymmddhhmmss) */
+define('TS_MW',1);
+/** Standard database timestamp (yyyy-mm-dd hh:mm:ss) */
+define('TS_DB',2);
+
+/**
+ * @todo document
+ */
+function wfTimestamp($outputtype=TS_UNIX,$ts=0) {
+ if (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$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)) {
+ # 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)) {
+ # TS_UNIX
+ $uts=$ts;
+ }
+
+ if ($ts==0)
+ $uts=time();
+ switch($outputtype) {
+ case TS_UNIX:
+ return $uts;
+ break;
+ case TS_MW:
+ return gmdate( 'YmdHis', $uts );
+ break;
+ case TS_DB:
+ return gmdate( 'Y-m-d H:i:s', $uts );
+ break;
+ default:
+ return;
+ }
+}
+
+/**
+ * Check where as the operating system is Windows
+ *
+ * @todo document
+ * @return bool True if it's windows, False otherwise.
+ */
+function wfIsWindows() {
+ if (substr(php_uname(), 0, 7) == 'Windows') {
+ return true;
+ } else {
+ return false;
+ }
+}
+
?>
dépôts / lhc / web / wiklou.git / blobdiff