/**
* Some globals and requires needed
*/
-
+
/**
* Total number of articles
* @global integer $wgNumberOfArticles
# UTF-8 substr function based on a PHP manual comment
if ( !function_exists( 'mb_substr' ) ) {
- function mb_substr( $str, $start ) {
+ 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 ) );
+ $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' ) {
- $fname = 'do_html_entity_decode';
- wfProfileIn( $fname );
-
- static $trans;
- static $savedCharset;
- static $regexp;
- if( !isset( $trans ) || $savedCharset != $charset ) {
- $trans = array_flip( get_html_translation_table( HTML_ENTITIES, $quote_style ) );
- $savedCharset = $charset;
-
- # 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 );
- }
-
- /**
- * Most links will _not_ contain these fun guys,
- * and on long pages with many links we can get
- * called a lot.
- *
- * A regular expression search is faster than
- * a strtr or str_replace with a hundred-ish
- * entries, though it may be slower to actually
- * replace things.
- *
- * They all look like '&xxxx;'...
- */
- foreach( $trans as $key => $val ) {
- $snip[] = substr( $key, 1, -1 );
- }
- $regexp = '/(&(?:' . implode( '|', $snip ) . ');)/e';
+if( !function_exists( 'floatval' ) ) {
+ /**
+ * First defined in PHP 4.2.0
+ * @param mixed $var;
+ * @return float
+ */
+ function floatval( $var ) {
+ return (float)$var;
}
-
- $out = preg_replace( $regexp, '$trans["$1"]', $string );
- wfProfileOut( $fname );
- return $out;
}
-
/**
* Where as we got a random seed
* @var bool $wgTotalViews
# The maximum random value is "only" 2^31-1, so get two random
# values to reduce the chance of dupes
$max = mt_getrandmax();
- $rand = number_format( mt_rand() * mt_rand()
+ $rand = number_format( (mt_rand() * $max + mt_rand())
/ $max / $max, 12, '.', '' );
return $rand;
}
return $s;
}
-/**
- * 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;";
-}
-
-/**
- * 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 );
- $string = preg_replace ( '/&#x([0-9a-f]+);/ie', 'wfUtf8Sequence(0x$1)', $string );
- # Should also do named entities here
- return $string;
-}
-
-/**
- * Converts a single UTF-8 character into the corresponding HTML character
- * entity (for use with preg_replace_callback)
- *
- * @param array $matches
- *
- */
-function wfUtf8Entity( $matches ) {
- $codepoint = utf8ToCodepoint( $matches[0] );
- return "&#$codepoint;";
-}
-
-/**
- * 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 );
-}
-
/**
* Sends a line to the debug log if enabled or, optionally, to a comment in output.
* In normal operation this is a NOP.
$wgOut->debug( $text );
}
if ( '' != $wgDebugLogFile && !$wgProfileOnly ) {
- error_log( $text, 3, $wgDebugLogFile );
+ # 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 );
+ }
+}
+
+/**
+ * Send a line to a supplementary debug log file, if configured, or main debug log if not.
+ * $wgDebugLogGroups[$logGroup] should be set to a filename to send to a separate log.
+ *
+ * @param string $logGroup
+ * @param string $text
+ * @param bool $public Whether to log the event in the public log if no private
+ * log file is specified, (default true)
+ */
+function wfDebugLog( $logGroup, $text, $public = true ) {
+ global $wgDebugLogGroups, $wgDBname;
+ if( $text{strlen( $text ) - 1} != "\n" ) $text .= "\n";
+ if( isset( $wgDebugLogGroups[$logGroup] ) ) {
+ @error_log( "$wgDBname: $text", 3, $wgDebugLogGroups[$logGroup] );
+ } else if ( $public === true ) {
+ wfDebug( $text, true );
}
}
function wfLogDBError( $text ) {
global $wgDBerrorLog;
if ( $wgDBerrorLog ) {
- $text = date('D M j G:i:s T Y') . "\t".$text;
+ $host = trim(`hostname`);
+ $text = date('D M j G:i:s T Y') . "\t$host\t".$text;
error_log( $text, 3, $wgDBerrorLog );
}
}
$forward .= ' from ' . $_SERVER['HTTP_FROM'];
if( $forward )
$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
- if($wgUser->getId() == 0)
+ if( $wgUser->isAnon() )
$forward .= ' anon';
$log = sprintf( "%s\t%04.3f\t%s\n",
gmdate( 'YmdHis' ), $elapsed,
* @return bool
*/
function wfReadOnly() {
- global $wgReadOnlyFile;
+ global $wgReadOnlyFile, $wgReadOnly;
+ if ( $wgReadOnly ) {
+ return true;
+ }
if ( '' == $wgReadOnlyFile ) {
return false;
}
- return is_file( $wgReadOnlyFile );
+
+ // Set $wgReadOnly and unset $wgReadOnlyFile, for faster access next time
+ if ( is_file( $wgReadOnlyFile ) ) {
+ $wgReadOnly = file_get_contents( $wgReadOnlyFile );
+ } else {
+ $wgReadOnly = false;
+ }
+ $wgReadOnlyFile = '';
+ return $wgReadOnly;
}
/**
- * Get a message from anywhere, for the UI elements
+ * 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 string lookup key for the message, usually
+ * defined in languages/Language.php
*/
function wfMsg( $key ) {
$args = func_get_args();
}
/**
- * Get a message from anywhere, for the content
+ * Same as above except doesn't transform the message
+ */
+function wfMsgNoTrans( $key ) {
+ $args = func_get_args();
+ array_shift( $args );
+ return wfMsgReal( $key, $args, true, false );
+}
+
+/**
+ * Get a message from anywhere, for the current global language
+ * set with $wgLanguageCode.
+ *
+ * Use this if the message should NOT change dependent on the
+ * language set in the user's preferences. This is the case for
+ * most text written into logs, as well as link targets (such as
+ * the name of the copyright policy page). Link titles, on the
+ * other hand, should be shown in the UI language.
+ *
+ * Note that MediaWiki allows users to change the user interface
+ * language in their preferences, but a single installation
+ * typically only contains content in one language.
+ *
+ * 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.
+ *
+ * @param string lookup key for the message, usually
+ * defined in languages/Language.php
*/
function wfMsgForContent( $key ) {
global $wgForceUIMsgAsContentMsg;
return wfMsgReal( $key, $args, true, $forcontent );
}
+/**
+ * Same as above except doesn't transform the message
+ */
+function wfMsgForContentNoTrans( $key ) {
+ global $wgForceUIMsgAsContentMsg;
+ $args = func_get_args();
+ array_shift( $args );
+ $forcontent = true;
+ if( is_array( $wgForceUIMsgAsContentMsg ) &&
+ in_array( $key, $wgForceUIMsgAsContentMsg ) )
+ $forcontent = false;
+ return wfMsgReal( $key, $args, true, $forcontent, false );
+}
+
/**
* Get a message from the language file, for the UI elements
*/
/**
* Really get a message
*/
-function wfMsgReal( $key, $args, $useDB, $forContent=false ) {
- static $replacementKeys = array( '$1', '$2', '$3', '$4', '$5', '$6', '$7', '$8', '$9' );
+function wfMsgReal( $key, $args, $useDB, $forContent=false, $transform = true ) {
+ $fname = 'wfMsgReal';
+ wfProfileIn( $fname );
+
+ $message = wfMsgGetKey( $key, $useDB, $forContent, $transform );
+ $message = wfMsgReplaceArgs( $message, $args );
+ wfProfileOut( $fname );
+ return $message;
+}
+
+/**
+ * Fetch a message string value, but don't replace any keys yet.
+ * @param string $key
+ * @param bool $useDB
+ * @param bool $forContent
+ * @return string
+ * @access private
+ */
+function wfMsgGetKey( $key, $useDB, $forContent = false, $transform = true ) {
global $wgParser, $wgMsgParserOptions;
global $wgContLang, $wgLanguageCode;
global $wgMessageCache, $wgLang;
-
- $fname = 'wfMsgReal';
- wfProfileIn( $fname );
+ if ( is_object( $wgMessageCache ) )
+ $transstat = $wgMessageCache->getTransform();
+
if( is_object( $wgMessageCache ) ) {
+ if ( ! $transform )
+ $wgMessageCache->disableTransform();
$message = $wgMessageCache->get( $key, $useDB, $forContent );
- }
- else {
+ } else {
if( $forContent ) {
$lang = &$wgContLang;
} else {
}
wfSuppressWarnings();
+
if( is_object( $lang ) ) {
$message = $lang->getMessage( $key );
} else {
- $message = '';
+ $message = false;
}
wfRestoreWarnings();
- if(!$message)
+ if($message === false)
$message = Language::getMessage($key);
- if(strstr($message, '{{' ) !== false) {
+ if ( $transform && strstr( $message, '{{' ) !== false ) {
$message = $wgParser->transformMsg($message, $wgMsgParserOptions);
}
}
- # Replace arguments
- if( count( $args ) ) {
- $message = str_replace( $replacementKeys, $args, $message );
+ if ( is_object( $wgMessageCache ) && ! $transform )
+ $wgMessageCache->setTransform( $transstat );
+
+ return $message;
+}
+
+/**
+ * Replace message parameter keys on the given formatted output.
+ *
+ * @param string $message
+ * @param array $args
+ * @return string
+ * @access private
+ */
+function wfMsgReplaceArgs( $message, $args ) {
+ # Fix windows line-endings
+ # Some messages are split with explode("\n", $msg)
+ $message = str_replace( "\r", '', $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 );
}
- wfProfileOut( $fname );
+
return $message;
}
+/**
+ * Return an HTML-escaped version of a message.
+ * Parameter replacements, if any, are done *after* the HTML-escaping,
+ * so parameters may contain HTML (eg links or form controls). Be sure
+ * to pre-escape them if you really do want plaintext, or just wrap
+ * the whole thing in htmlspecialchars().
+ *
+ * @param string $key
+ * @param string ... parameters
+ * @return string
+ */
+function wfMsgHtml( $key ) {
+ $args = func_get_args();
+ array_shift( $args );
+ return wfMsgReplaceArgs( htmlspecialchars( wfMsgGetKey( $key, true ) ), $args );
+}
+/**
+ * Return an HTML version of message
+ * Parameter replacements, if any, are done *after* parsing the wiki-text message,
+ * so parameters may contain HTML (eg links or form controls). Be sure
+ * to pre-escape them if you really do want plaintext, or just wrap
+ * the whole thing in htmlspecialchars().
+ *
+ * @param string $key
+ * @param string ... parameters
+ * @return string
+ */
+function wfMsgWikiHtml( $key ) {
+ global $wgOut;
+ $args = func_get_args();
+ array_shift( $args );
+ return wfMsgReplaceArgs( $wgOut->parse( wfMsgGetKey( $key, true ), /* can't be set to false */ true ), $args );
+}
/**
* Just like exit() but makes a note of it.
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'];
+ $file = isset($bt[$i]['file']) ? $bt[$i]['file'] : "unknown";
+ $line = isset($bt[$i]['line']) ? $bt[$i]['line'] : "unknown";
wfDebug("WARNING: Abrupt exit in $file at line $line\n");
}
} else {
function wfDebugDieBacktrace( $msg = '' ) {
global $wgCommandLineMode;
- if ( function_exists( 'debug_backtrace' ) ) {
+ $backtrace = wfBacktrace();
+ if ( $backtrace !== false ) {
if ( $wgCommandLineMode ) {
- $msg .= "\nBacktrace:\n";
+ $msg .= "\nBacktrace:\n$backtrace";
+ } else {
+ $msg .= "\n<p>Backtrace:</p>\n$backtrace";
+ }
+ }
+ echo $msg;
+ echo wfReportTime()."\n";
+ die( -1 );
+}
+
+ /**
+ * Returns a HTML comment with the elapsed time since request.
+ * This method has no side effects.
+ * @return string
+ */
+ function wfReportTime() {
+ global $wgRequestTime;
+
+ $now = wfTime();
+ list( $usec, $sec ) = explode( ' ', $wgRequestTime );
+ $start = (float)$sec + (float)$usec;
+ $elapsed = $now - $start;
+
+ # Use real server name if available, so we know which machine
+ # in a server farm generated the current page.
+ if ( function_exists( 'posix_uname' ) ) {
+ $uname = @posix_uname();
} else {
- $msg .= "\n<p>Backtrace:</p>\n<ul>\n";
+ $uname = false;
}
- $backtrace = debug_backtrace();
- foreach( $backtrace as $call ) {
+ if( is_array( $uname ) && isset( $uname['nodename'] ) ) {
+ $hostname = $uname['nodename'];
+ } else {
+ # This may be a virtual server.
+ $hostname = $_SERVER['SERVER_NAME'];
+ }
+ $com = sprintf( "<!-- Served by %s in %01.2f secs. -->",
+ $hostname, $elapsed );
+ return $com;
+ }
+
+function wfBacktrace() {
+ global $wgCommandLineMode;
+ if ( !function_exists( 'debug_backtrace' ) ) {
+ return false;
+ }
+
+ if ( $wgCommandLineMode ) {
+ $msg = '';
+ } else {
+ $msg = "<ul>\n";
+ }
+ $backtrace = debug_backtrace();
+ foreach( $backtrace as $call ) {
+ if( isset( $call['file'] ) ) {
$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'] . '()';
+ } else {
+ $file = '-';
+ }
+ if( isset( $call['line'] ) ) {
+ $line = $call['line'];
+ } else {
+ $line = '-';
+ }
+ if ( $wgCommandLineMode ) {
+ $msg .= "$file line $line calls ";
+ } else {
+ $msg .= '<li>' . $file . ' line ' . $line . ' calls ';
+ }
+ if( !empty( $call['class'] ) ) $msg .= $call['class'] . '::';
+ $msg .= $call['function'] . '()';
- if ( $wgCommandLineMode ) {
- $msg .= "\n";
- } else {
- $msg .= "</li>\n";
- }
+ if ( $wgCommandLineMode ) {
+ $msg .= "\n";
+ } else {
+ $msg .= "</li>\n";
}
- }
- die( $msg );
+ }
+ if ( $wgCommandLineMode ) {
+ $msg .= "\n";
+ } else {
+ $msg .= "</ul>\n";
+ }
+
+ return $msg;
}
$fmtLimit = $wgLang->formatNum( $limit );
$prev = wfMsg( 'prevn', $fmtLimit );
$next = wfMsg( 'nextn', $fmtLimit );
-
+
if( is_object( $link ) ) {
$title =& $link;
} else {
- $title =& Title::newFromText( $link );
+ $title = Title::newFromText( $link );
if( is_null( $title ) ) {
return false;
}
}
-
+
$sk = $wgUser->getSkin();
if ( 0 != $offset ) {
$po = $offset - $limit;
* @param string $text Text to be escaped
*/
function wfEscapeWikiText( $text ) {
- $text = str_replace(
- array( '[', '|', "'", 'ISBN ' , '://' , "\n=", '{{' ),
+ $text = str_replace(
+ array( '[', '|', '\'', 'ISBN ' , '://' , "\n=", '{{' ),
array( '[', '|', ''', 'ISBN ', '://' , "\n=", '{{' ),
htmlspecialchars($text) );
return $text;
return $out;
}
+/**
+ * Returns an escaped string suitable for inclusion in a string literal
+ * for JavaScript source code.
+ * Illegal control characters are assumed not to be present.
+ *
+ * @param string $string
+ * @return string
+ */
+function wfEscapeJsString( $string ) {
+ // See ECMA 262 section 7.8.4 for string literal format
+ $pairs = array(
+ "\\" => "\\\\",
+ "\"" => "\\\"",
+ '\'' => '\\\'',
+ "\n" => "\\n",
+ "\r" => "\\r",
+
+ # To avoid closing the element or CDATA section
+ "<" => "\\x3c",
+ ">" => "\\x3e",
+ );
+ return strtr( $string, $pairs );
+}
+
/**
* @todo document
* @return float
/**
* Windows-compatible version of escapeshellarg()
- * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
+ * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
* function puts single quotes in regardless of OS
*/
function wfEscapeShellArg( ) {
} else {
$first = false;
}
-
+
if ( wfIsWindows() ) {
$retVal .= '"' . str_replace( '"','\"', $arg ) . '"';
} else {
# This check may also protect against code injection in
# case of broken installations.
if(! file_exists( $wgDiff3 ) ){
+ wfDebug( "diff3 not found\n" );
return false;
}
# Make temporary files
- $td = '/tmp/';
+ $td = wfTempDir();
$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( $yourtextFile, $yours ); fclose( $yourtextFile );
# Check for a conflict
- $cmd = wfEscapeShellArg( $wgDiff3 ) . ' -a --overlap-only ' .
+ $cmd = $wgDiff3 . ' -a --overlap-only ' .
wfEscapeShellArg( $mytextName ) . ' ' .
wfEscapeShellArg( $oldtextName ) . ' ' .
wfEscapeShellArg( $yourtextName );
$handle = popen( $cmd, 'r' );
- if( fgets( $handle ) ){
+ if( fgets( $handle, 1024 ) ){
$conflict = true;
} else {
$conflict = false;
pclose( $handle );
# Merge differences
- $cmd = wfEscapeShellArg( $wgDiff3 ) . ' -a -e --merge ' .
+ $cmd = $wgDiff3 . ' -a -e --merge ' .
wfEscapeShellArg( $mytextName, $oldtextName, $yourtextName );
$handle = popen( $cmd, 'r' );
$result = '';
} while ( true );
pclose( $handle );
unlink( $mytextName ); unlink( $oldtextName ); unlink( $yourtextName );
+
+ if ( $result === '' && $old !== '' && $conflict == false ) {
+ wfDebug( "Unexpected null result from diff3. Command: $cmd\n" );
+ $conflict = true;
+ }
return ! $conflict;
}
*/
function wfVarDump( $var ) {
global $wgOut;
- $s = str_replace("\n","<br>\n", var_export( $var, true ) . "\n");
+ $s = str_replace("\n","<br />\n", var_export( $var, true ) . "\n");
if ( headers_sent() || !@is_object( $wgOut ) ) {
print $s;
} else {
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";
- }
+ header( 'Content-type: text/html' );
+ print "<html><head><title>" .
+ htmlspecialchars( $label ) .
+ "</title></head><body><h1>" .
+ htmlspecialchars( $label ) .
+ "</h1><p>" .
+ htmlspecialchars( $desc ) .
+ "</p></body></html>\n";
}
/**
* 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 wfTimestamp( TS_MW, time() );
}
-/**
- * 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
*/
if ( $end ) {
if ( $suppressCount ) {
- $suppressCount --;
+ --$suppressCount;
if ( !$suppressCount ) {
error_reporting( $originalLevel );
}
if ( !$suppressCount ) {
$originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE ) );
}
- $suppressCount++;
+ ++$suppressCount;
}
}
# 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);
-/** For HTTP and e-mail headers -- output only */
-define('TS_RFC2822', 3 );
+/**
+ * Unix time - the number of seconds since 1970-01-01 00:00:00 UTC
+ */
+define('TS_UNIX', 0);
/**
- * @todo document
+ * MediaWiki concatenated string timestamp (YYYYMMDDHHMMSS)
+ */
+define('TS_MW', 1);
+
+/**
+ * MySQL DATETIME (YYYY-MM-DD HH:MM:SS)
+ */
+define('TS_DB', 2);
+
+/**
+ * RFC 2822 format, for E-mail and HTTP headers
+ */
+define('TS_RFC2822', 3);
+
+/**
+ * ISO 8601 format with no timezone: 1986-02-09T20:00:00Z
+ *
+ * This is used by Special:Export
+ */
+define('TS_ISO_8601', 4);
+
+/**
+ * An Exif timestamp (YYYY:MM:DD HH:MM:SS)
+ *
+ * @link 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_EXIF', 5);
+
+/**
+ * Oracle format time.
+ */
+define('TS_ORACLE', 6);
+
+/**
+ * @param mixed $outputtype A timestamp in one of the supported formats, the
+ * function will autodetect which format is supplied
+ and act accordingly.
+ * @return string Time in the format specified in $outputtype
*/
function wfTimestamp($outputtype=TS_UNIX,$ts=0) {
- if (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$da)) {
+ $uts = 0;
+ if ($ts==0) {
+ $uts=time();
+ } elseif (preg_match("/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/",$ts,$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_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)) {
# TS_MW
$uts=gmmktime((int)$da[4],(int)$da[5],(int)$da[6],
} elseif (preg_match("/^(\d{1,13})$/",$ts,$datearray)) {
# TS_UNIX
$uts=$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",
+ str_replace("+00:00", "UTC", $ts)));
+ } elseif (preg_match('/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})Z$/', $ts, $da)) {
+ # TS_ISO_8601
+ $uts=gmmktime((int)$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");
+ $uts = 0;
}
- if ($ts==0)
- $uts=time();
+
switch($outputtype) {
- case TS_UNIX:
- return $uts;
- case TS_MW:
- return gmdate( 'YmdHis', $uts );
- case TS_DB:
- return gmdate( 'Y-m-d H:i:s', $uts );
- case TS_RFC2822:
- return gmdate( "D, j M Y H:i:s", $uts ) . ' GMT';
- default:
- return;
+ case TS_UNIX:
+ return $uts;
+ case TS_MW:
+ return gmdate( 'YmdHis', $uts );
+ case TS_DB:
+ return gmdate( 'Y-m-d H:i:s', $uts );
+ case TS_ISO_8601:
+ return gmdate( 'Y-m-d\TH:i:s\Z', $uts );
+ // This shouldn't ever be used, but is included for completeness
+ case TS_EXIF:
+ return gmdate( 'Y:m:d H:i:s', $uts );
+ case TS_RFC2822:
+ 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';
+ default:
+ wfDebugDieBacktrace( 'wfTimestamp() called with illegal output type.');
+ }
+}
+
+/**
+ * Return a formatted timestamp, or null if input is null.
+ * For dealing with nullable timestamp columns in the database.
+ * @param int $outputtype
+ * @param string $ts
+ * @return string
+ */
+function wfTimestampOrNull( $outputtype = TS_UNIX, $ts = null ) {
+ if( is_null( $ts ) ) {
+ return null;
+ } else {
+ return wfTimestamp( $outputtype, $ts );
}
}
/**
* Check where as the operating system is Windows
*
- * @todo document
* @return bool True if it's windows, False otherwise.
*/
-function wfIsWindows() {
- if (substr(php_uname(), 0, 7) == 'Windows') {
- return true;
- } else {
- return false;
- }
-}
+function wfIsWindows() {
+ if (substr(php_uname(), 0, 7) == 'Windows') {
+ return true;
+ } else {
+ return false;
+ }
+}
+
+/**
+ * Swap two variables
+ */
+function swap( &$x, &$y ) {
+ $z = $x;
+ $x = $y;
+ $y = $z;
+}
+
+function wfGetSiteNotice() {
+ global $wgSiteNotice, $wgTitle, $wgOut;
+ $fname = 'wfGetSiteNotice';
+ wfProfileIn( $fname );
+
+ $notice = wfMsg( 'sitenotice' );
+ if( $notice == '<sitenotice>' || $notice == '-' ) {
+ $notice = '';
+ }
+ if( $notice == '' ) {
+ # We may also need to override a message with eg downtime info
+ # FIXME: make this work!
+ $notice = $wgSiteNotice;
+ }
+ if($notice != '-' && $notice != '') {
+ $specialparser = new Parser();
+ $parserOutput = $specialparser->parse( $notice, $wgTitle, $wgOut->mParserOptions, false );
+ $notice = $parserOutput->getText();
+ }
+ wfProfileOut( $fname );
+ return $notice;
+}
+
+/**
+ * Format an XML element with given attributes and, optionally, text content.
+ * Element and attribute names are assumed to be ready for literal inclusion.
+ * Strings are assumed to not contain XML-illegal characters; special
+ * characters (<, >, &) are escaped but illegals are not touched.
+ *
+ * @param string $element
+ * @param array $attribs Name=>value pairs. Values will be escaped.
+ * @param string $contents NULL to make an open tag only; '' for a contentless closed tag (default)
+ * @return string
+ */
+function wfElement( $element, $attribs = null, $contents = '') {
+ $out = '<' . $element;
+ if( !is_null( $attribs ) ) {
+ foreach( $attribs as $name => $val ) {
+ $out .= ' ' . $name . '="' . htmlspecialchars( $val ) . '"';
+ }
+ }
+ if( is_null( $contents ) ) {
+ $out .= '>';
+ } else {
+ if( $contents == '' ) {
+ $out .= ' />';
+ } else {
+ $out .= '>';
+ $out .= htmlspecialchars( $contents );
+ $out .= "</$element>";
+ }
+ }
+ return $out;
+}
+
+/**
+ * Format an XML element as with wfElement(), but run text through the
+ * UtfNormal::cleanUp() validator first to ensure that no invalid UTF-8
+ * is passed.
+ *
+ * @param string $element
+ * @param array $attribs Name=>value pairs. Values will be escaped.
+ * @param string $contents NULL to make an open tag only; '' for a contentless closed tag (default)
+ * @return string
+ */
+function wfElementClean( $element, $attribs = array(), $contents = '') {
+ if( $attribs ) {
+ $attribs = array_map( array( 'UtfNormal', 'cleanUp' ), $attribs );
+ }
+ if( $contents ) {
+ $contents = UtfNormal::cleanUp( $contents );
+ }
+ return wfElement( $element, $attribs, $contents );
+}
+
+// Shortcuts
+function wfOpenElement( $element ) { return "<$element>"; }
+function wfCloseElement( $element ) { return "</$element>"; }
+
+/**
+ * Create a namespace selector
+ *
+ * @param mixed $selected The namespace which should be selected, default ''
+ * @param string $allnamespaces Value of a special item denoting all namespaces. Null to not include (default)
+ * @return Html string containing the namespace selector
+ */
+function &HTMLnamespaceselector($selected = '', $allnamespaces = null) {
+ global $wgContLang;
+ if( $selected !== '' ) {
+ if( is_null( $selected ) ) {
+ // No namespace selected; let exact match work without hitting Main
+ $selected = '';
+ } else {
+ // Let input be numeric strings without breaking the empty match.
+ $selected = intval( $selected );
+ }
+ }
+ $s = "<select name='namespace' class='namespaceselector'>\n\t";
+ $arr = $wgContLang->getFormattedNamespaces();
+ if( !is_null($allnamespaces) ) {
+ $arr = array($allnamespaces => wfMsgHtml('namespacesall')) + $arr;
+ }
+ foreach ($arr as $index => $name) {
+ if ($index < NS_MAIN) continue;
+
+ $name = $index !== 0 ? $name : wfMsgHtml('blanknamespace');
+
+ if ($index === $selected) {
+ $s .= wfElement("option",
+ array("value" => $index, "selected" => "selected"),
+ $name);
+ } else {
+ $s .= wfElement("option", array("value" => $index), $name);
+ }
+ }
+ $s .= "\n</select>\n";
+ return $s;
+}
+
+/** Global singleton instance of MimeMagic. This is initialized on demand,
+* please always use the wfGetMimeMagic() function to get the instance.
+*
+* @private
+*/
+$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.
+*/
+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;
+}
+
+
+/**
+ * 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.
+ *
+ * NOTE: When possible, use the tempfile() function to create temporary
+ * files to avoid race conditions on file creation, etc.
+ *
+ * @return string
+ */
+function wfTempDir() {
+ foreach( array( 'TMPDIR', 'TMP', 'TEMP' ) as $var ) {
+ $tmp = getenv( $var );
+ if( $tmp && file_exists( $tmp ) && is_dir( $tmp ) && is_writable( $tmp ) ) {
+ return $tmp;
+ }
+ }
+ # Hope this is Unix of some kind!
+ return '/tmp';
+}
+
+/**
+ * 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;
+}
+
+/**
+ * Increment a statistics counter
+ */
+function wfIncrStats( $key ) {
+ global $wgDBname, $wgMemc;
+ $key = "$wgDBname:stats:$key";
+ if ( is_null( $wgMemc->incr( $key ) ) ) {
+ $wgMemc->add( $key, 1 );
+ }
+}
+
+/**
+ * @param mixed $nr The number to format
+ * @param int $acc The number of digits after the decimal point, default 2
+ * @param bool $round Whether or not to round the value, default true
+ * @return float
+ */
+function wfPercent( $nr, $acc = 2, $round = true ) {
+ $ret = sprintf( "%.${acc}f", $nr );
+ return $round ? round( $ret, $acc ) . '%' : "$ret%";
+}
+
+/**
+ * Encrypt a username/password.
+ *
+ * @param string $userid ID of the user
+ * @param string $password Password of the user
+ * @return string Hashed password
+ */
+function wfEncryptPassword( $userid, $password ) {
+ global $wgPasswordSalt;
+ $p = md5( $password);
+
+ if($wgPasswordSalt)
+ return md5( "{$userid}-{$p}" );
+ else
+ return $p;
+}
+
+/**
+ * Appends to second array if $value differs from that in $default
+ */
+function wfAppendToArrayIfNotDefault( $key, $value, $default, &$changed ) {
+ if ( is_null( $changed ) ) {
+ wfDebugDieBacktrace('GlobalFunctions::wfAppendToArrayIfNotDefault got null');
+ }
+ if ( $default[$key] !== $value ) {
+ $changed[$key] = $value;
+ }
+}
+
+/**
+ * Since wfMsg() and co suck, they don't return false if the message key they
+ * looked up didn't exist but a XHTML string, this function checks for the
+ * nonexistance of messages by looking at wfMsg() output
+ *
+ * @param $msg The message key looked up
+ * @param $wfMsgOut The output of wfMsg*()
+ * @return bool
+ */
+function wfEmptyMsg( $msg, $wfMsgOut ) {
+ return $wfMsgOut === "<$msg>";
+}
+
+/**
+ * Find out whether or not a mixed variable exists in a string
+ *
+ * @param mixed needle
+ * @param string haystack
+ * @return bool
+ */
+function in_string( $needle, $str ) {
+ return strpos( $str, $needle ) !== false;
+}
+
+/**
+ * Returns a regular expression of url protocols
+ *
+ * @return string
+ */
+function wfUrlProtocols() {
+ global $wgUrlProtocols;
+
+ $x = array();
+ foreach ($wgUrlProtocols as $protocol)
+ $x[] = preg_quote( $protocol, '/' );
+
+ return implode( '|', $x );
+}
+
+/**
+ * Check if a string is well-formed XML.
+ * Must include the surrounding tag.
+ *
+ * @param string $text
+ * @return bool
+ *
+ * @todo Error position reporting return
+ */
+function wfIsWellFormedXml( $text ) {
+ $parser = xml_parser_create( "UTF-8" );
+
+ # case folding violates XML standard, turn it off
+ xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
+
+ if( !xml_parse( $parser, $text, true ) ) {
+ $err = xml_error_string( xml_get_error_code( $parser ) );
+ $position = xml_get_current_byte_index( $parser );
+ //$fragment = $this->extractFragment( $html, $position );
+ //$this->mXmlError = "$err at byte $position:\n$fragment";
+ xml_parser_free( $parser );
+ return false;
+ }
+ xml_parser_free( $parser );
+ return true;
+}
+
+/**
+ * Check if a string is a well-formed XML fragment.
+ * Wraps fragment in an <html> bit and doctype, so it can be a fragment
+ * and can use HTML named entities.
+ *
+ * @param string $text
+ * @return bool
+ */
+function wfIsWellFormedXmlFragment( $text ) {
+ $html =
+ '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ' .
+ '"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">' .
+ '<html>' .
+ $text .
+ '</html>';
+ return wfIsWellFormedXml( $html );
+}
+
+/**
+ * shell_exec() with time and memory limits mirrored from the PHP configuration,
+ * if supported.
+ */
+function wfShellExec( $cmd )
+{
+ global $IP;
+
+ 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) );
+ }
+ if ( $time > 0 && $mem > 0 ) {
+ $script = "$IP/bin/ulimit.sh";
+ if ( is_executable( $script ) ) {
+ $memKB = intval( $mem / 1024 );
+ $cmd = escapeshellarg( $script ) . " $time $memKB $cmd";
+ }
+ }
+ }
+ return shell_exec( $cmd );
+}
?>
dépôts / lhc / web / wiklou.git / blobdiff