/**
* Compatibility functions
*
- * We more or less support PHP 5.0.x and up.
+ * We support PHP 5.1.x and up.
* Re-implementations of newer functions or functions in non-standard
* PHP extensions may be included here.
*/
+
if( !function_exists( 'iconv' ) ) {
- # iconv support is not in the default configuration and so may not be present.
- # Assume will only ever use utf-8 and iso-8859-1.
- # This will *not* work in all circumstances.
function iconv( $from, $to, $string ) {
- if ( substr( $to, -8 ) == '//IGNORE' ) {
- $to = substr( $to, 0, strlen( $to ) - 8 );
- }
- if( strcasecmp( $from, $to ) == 0 ) {
- return $string;
- }
- if( strcasecmp( $from, 'utf-8' ) == 0 ) {
- return utf8_decode( $string );
- }
- if( strcasecmp( $to, 'utf-8' ) == 0 ) {
- return utf8_encode( $string );
- }
- return $string;
+ return Fallback::iconv( $from, $to, $string );
}
}
if ( !function_exists( 'mb_substr' ) ) {
- /**
- * Fallback implementation for mb_substr, hardcoded to UTF-8.
- * Attempts to be at least _moderately_ efficient; best optimized
- * for relatively small offset and count values -- about 5x slower
- * than native mb_string in my testing.
- *
- * Larger offsets are still fairly efficient for Latin text, but
- * can be up to 100x slower than native if the text is heavily
- * multibyte and we have to slog through a few hundred kb.
- */
function mb_substr( $str, $start, $count='end' ) {
- if( $start != 0 ) {
- $split = mb_substr_split_unicode( $str, intval( $start ) );
- $str = substr( $str, $split );
- }
-
- if( $count !== 'end' ) {
- $split = mb_substr_split_unicode( $str, intval( $count ) );
- $str = substr( $str, 0, $split );
- }
-
- return $str;
+ return Fallback::mb_substr( $str, $start, $count );
}
function mb_substr_split_unicode( $str, $splitPos ) {
- if( $splitPos == 0 ) {
- return 0;
- }
-
- $byteLen = strlen( $str );
-
- if( $splitPos > 0 ) {
- if( $splitPos > 256 ) {
- // Optimize large string offsets by skipping ahead N bytes.
- // This will cut out most of our slow time on Latin-based text,
- // and 1/2 to 1/3 on East European and Asian scripts.
- $bytePos = $splitPos;
- while ( $bytePos < $byteLen && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
- ++$bytePos;
- }
- $charPos = mb_strlen( substr( $str, 0, $bytePos ) );
- } else {
- $charPos = 0;
- $bytePos = 0;
- }
-
- while( $charPos++ < $splitPos ) {
- ++$bytePos;
- // Move past any tail bytes
- while ( $bytePos < $byteLen && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
- ++$bytePos;
- }
- }
- } else {
- $splitPosX = $splitPos + 1;
- $charPos = 0; // relative to end of string; we don't care about the actual char position here
- $bytePos = $byteLen;
- while( $bytePos > 0 && $charPos-- >= $splitPosX ) {
- --$bytePos;
- // Move past any tail bytes
- while ( $bytePos > 0 && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
- --$bytePos;
- }
- }
- }
-
- return $bytePos;
+ return Fallback::mb_substr_split_unicode( $str, $splitPos );
}
}
if ( !function_exists( 'mb_strlen' ) ) {
- /**
- * Fallback implementation of mb_strlen, hardcoded to UTF-8.
- * @param string $str
- * @param string $enc optional encoding; ignored
- * @return int
- */
function mb_strlen( $str, $enc = '' ) {
- $counts = count_chars( $str );
- $total = 0;
-
- // Count ASCII bytes
- for( $i = 0; $i < 0x80; $i++ ) {
- $total += $counts[$i];
- }
-
- // Count multibyte sequence heads
- for( $i = 0xc0; $i < 0xff; $i++ ) {
- $total += $counts[$i];
- }
- return $total;
+ return Fallback::mb_strlen( $str, $enc );
}
}
-
if( !function_exists( 'mb_strpos' ) ) {
- /**
- * Fallback implementation of mb_strpos, hardcoded to UTF-8.
- * @param $haystack String
- * @param $needle String
- * @param $offset String: optional start position
- * @param $encoding String: optional encoding; ignored
- * @return int
- */
+
function mb_strpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
- $needle = preg_quote( $needle, '/' );
-
- $ar = array();
- preg_match( '/' . $needle . '/u', $haystack, $ar, PREG_OFFSET_CAPTURE, $offset );
-
- if( isset( $ar[0][1] ) ) {
- return $ar[0][1];
- } else {
- return false;
- }
+ return Fallback::mb_strpos( $haystack, $needle, $offset, $encoding );
}
+
}
if( !function_exists( 'mb_strrpos' ) ) {
- /**
- * Fallback implementation of mb_strrpos, hardcoded to UTF-8.
- * @param $haystack String
- * @param $needle String
- * @param $offset String: optional start position
- * @param $encoding String: optional encoding; ignored
- * @return int
- */
function mb_strrpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
- $needle = preg_quote( $needle, '/' );
-
- $ar = array();
- preg_match_all( '/' . $needle . '/u', $haystack, $ar, PREG_OFFSET_CAPTURE, $offset );
-
- if( isset( $ar[0] ) && count( $ar[0] ) > 0 &&
- isset( $ar[0][count( $ar[0] ) - 1][1] ) ) {
- return $ar[0][count( $ar[0] ) - 1][1];
- } else {
- return false;
- }
+ return Fallback::mb_strrpos( $haystack, $needle, $offset, $encoding );
}
}
+
// Support for Wietse Venema's taint feature
if ( !function_exists( 'istainted' ) ) {
function istainted( $var ) {
/// @endcond
+
/**
* Like array_diff( $a, $b ) except that it works with two-dimensional arrays.
*/
} else {
reset( $a );
reset( $b );
- while( ( list( $keyA, $valueA ) = each( $a ) ) && ( list( $keyB, $valueB ) = each( $b ) ) ) {
+ while( ( list( , $valueA ) = each( $a ) ) && ( list( , $valueB ) = each( $b ) ) ) {
$cmp = strcmp( $valueA, $valueB );
if ( $cmp !== 0 ) {
return $cmp;
}
}
-/**
- * Seed Mersenne Twister
- * No-op for compatibility; only necessary in PHP < 4.2.0
- */
-function wfSeedRandom() {
- /* No-op */
-}
-
/**
* Get a random decimal value between 0 and 1, in a way
* not likely to give duplicate values for any realistic
function wfDebug( $text, $logonly = false ) {
global $wgOut, $wgDebugLogFile, $wgDebugComments, $wgProfileOnly, $wgDebugRawPage;
global $wgDebugLogPrefix, $wgShowDebug;
- static $recursion = 0;
static $cache = array(); // Cache of unoutputted messages
$text = wfDebugTimer() . $text;
if ( ( $wgDebugComments || $wgShowDebug ) && !$logonly ) {
$cache[] = $text;
- if ( !isset( $wgOut ) ) {
- return;
+ if ( isset( $wgOut ) && StubObject::isRealObject( $wgOut ) ) {
+ // add the message and any cached messages to the output
+ array_map( array( $wgOut, 'debug' ), $cache );
+ $cache = array();
}
- if ( !StubObject::isRealObject( $wgOut ) ) {
- if ( $recursion ) {
- return;
- }
- $recursion++;
- $wgOut->_unstub();
- $recursion--;
- }
-
- // add the message and possible cached ones to the output
- array_map( array( $wgOut, 'debug' ), $cache );
- $cache = array();
}
if ( $wgDebugLogFile != '' && !$wgProfileOnly ) {
# Strip unprintables; they can switch terminal modes when binary data
# 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 = 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];
if ( !IP::isIPv4( $host ) ) {
$host = gethostbyname( $host );
$forward = "\t(proxied via {$_SERVER['REMOTE_ADDR']}{$forward})";
}
// Don't unstub $wgUser at this late stage just for statistics purposes
- if( StubObject::isRealObject( $wgUser ) && $wgUser->isAnon() ) {
+ // FIXME: We can detect some anons even if it is not loaded. See User::getId()
+ if( $wgUser->mDataLoaded && $wgUser->isAnon() ) {
$forward .= ' anon';
}
$log = sprintf( "%s\t%04.3f\t%s\n",
return wfGetLangObj( !$wgBetterDirectionality );
}
+/**
+ * This is the new function for getting translated interface messages.
+ * See the Message class for documentation how to use them.
+ * The intention is that this function replaces all old wfMsg* functions.
+ * @param $key \string Message key.
+ * Varargs: normal message parameters.
+ * @return \type{Message}
+ * @since 1.17
+ */
+function wfMessage( $key /*...*/) {
+ $params = func_get_args();
+ array_shift( $params );
+ if ( isset( $params[0] ) && is_array( $params[0] ) ) {
+ $params = $params[0];
+ }
+ return new Message( $key, $params );
+}
+
+/**
+ * This function accepts multiple message keys and returns a message instance
+ * for the first message which is non-empty. If all messages are empty then an
+ * instance of the first message key is returned.
+ * Varargs: message keys
+ * @return \type{Message}
+ * @since 1.18
+ */
+function wfMessageFallback( /*...*/ ) {
+ $args = func_get_args();
+ return call_user_func_array( array( 'Message', 'newFallbackSequence' ), $args );
+}
+
/**
* Get a message from anywhere, for the current user language.
*
* <i>content</i>: fetch message for content language instead of interface
* Also can accept a single associative argument, of the form 'language' => 'xx':
* <i>language</i>: Language object or language code to fetch message for
- * (overriden by <i>content</i>), its behaviour with parser, parseinline
+ * (overriden by <i>content</i>), its behaviour with parse, parseinline
* and parsemag is undefined.
* Behavior for conflicting options (e.g., parse+parseinline) is undefined.
*/
if( in_array( 'content', $options, true ) ) {
$forContent = true;
$langCode = true;
+ $langCodeObj = null;
} elseif( array_key_exists( 'language', $options ) ) {
$forContent = false;
$langCode = wfGetLangObj( $options['language'] );
+ $langCodeObj = $langCode;
} else {
$forContent = false;
$langCode = false;
+ $langCodeObj = null;
}
$string = wfMsgGetKey( $key, /*DB*/true, $langCode, /*Transform*/false );
}
if( in_array( 'parse', $options, true ) ) {
- $string = $wgOut->parse( $string, true, !$forContent );
+ $string = $wgOut->parse( $string, true, !$forContent, $langCodeObj );
} elseif ( in_array( 'parseinline', $options, true ) ) {
- $string = $wgOut->parse( $string, true, !$forContent );
+ $string = $wgOut->parse( $string, true, !$forContent, $langCodeObj );
$m = array();
if( preg_match( '/^<p>(.*)\n?<\/p>\n?$/sU', $string, $m ) ) {
$string = $m[1];
global $wgMessageCache;
if ( isset( $wgMessageCache ) ) {
$string = $wgMessageCache->transform( $string,
- !$forContent,
- is_object( $langCode ) ? $langCode : null );
+ !$forContent, $langCodeObj );
}
}
* Just like exit() but makes a note of it.
* Commits open transactions except if the error parameter is set
*
- * @deprecated Please return control to the caller or throw an exception
+ * @deprecated Please return control to the caller or throw an exception. Will
+ * be removed in 1.19.
*/
function wfAbruptExit( $error = false ) {
static $called = false;
}
$called = true;
+ wfDeprecated( __FUNCTION__ );
$bt = wfDebugBacktrace();
if( $bt ) {
for( $i = 0; $i < count( $bt ); $i++ ) {
}
/**
- * @deprecated Please return control the caller or throw an exception
+ * @deprecated Please return control the caller or throw an exception. Will
+ * be removed in 1.19.
*/
function wfErrorExit() {
+ wfDeprecated( __FUNCTION__ );
wfAbruptExit( true );
}
*
* @return bool Whereas client accept gzip compression
*/
-function wfClientAcceptsGzip() {
- if( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
- # FIXME: we may want to blacklist some broken browsers
- $m = array();
- if( preg_match(
- '/\bgzip(?:;(q)=([0-9]+(?:\.[0-9]+)))?\b/',
- $_SERVER['HTTP_ACCEPT_ENCODING'],
- $m )
- )
- {
- if( isset( $m[2] ) && ( $m[1] == 'q' ) && ( $m[2] == 0 ) ) {
- return false;
+function wfClientAcceptsGzip( $force = false ) {
+ static $result = null;
+ if ( $result === null || $force ) {
+ $result = false;
+ if( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
+ # FIXME: we may want to blacklist some broken browsers
+ $m = array();
+ if( preg_match(
+ '/\bgzip(?:;(q)=([0-9]+(?:\.[0-9]+)))?\b/',
+ $_SERVER['HTTP_ACCEPT_ENCODING'],
+ $m )
+ )
+ {
+ if( isset( $m[2] ) && ( $m[1] == 'q' ) && ( $m[2] == 0 ) ) {
+ $result = false;
+ return $result;
+ }
+ wfDebug( " accepts gzip\n" );
+ $result = true;
}
- wfDebug( " accepts gzip\n" );
- return true;
}
}
- return false;
+ return $result;
}
/**
*/
function wfEscapeWikiText( $text ) {
$text = str_replace(
- array( '[', '|', ']', '\'', 'ISBN ', 'RFC ', '://', "\n=", '{{' ), # }}
- array( '[', '|', ']', ''', 'ISBN ', 'RFC ', '://', "\n=", '{{' ),
+ array( '[', '|', ']', '\'', 'ISBN ',
+ 'RFC ', '://', "\n=", '{{', '}}' ),
+ array( '[', '|', ']', ''', 'ISBN ',
+ 'RFC ', '://', "\n=", '{{', '}}' ),
htmlspecialchars( $text )
);
return $text;
}
-/**
- * @todo document
- */
-function wfQuotedPrintable( $string, $charset = '' ) {
- # Probably incomplete; see RFC 2045
- if( empty( $charset ) ) {
- global $wgInputEncoding;
- $charset = $wgInputEncoding;
- }
- $charset = strtoupper( $charset );
- $charset = str_replace( 'ISO-8859', 'ISO8859', $charset ); // ?
-
- $illegal = '\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff=';
- $replace = $illegal . '\t ?_';
- if( !preg_match( "/[$illegal]/", $string ) ) {
- return $string;
- }
- $out = "=?$charset?Q?";
- $out .= preg_replace( "/([$replace])/e", 'sprintf("=%02X",ord("$1"))', $string );
- $out .= '?=';
- return $out;
-}
-
-
/**
* @todo document
* @return float
/**
* Sets dest to source and returns the original value of dest
* If source is NULL, it just returns the value, it doesn't set the variable
+ * If force is true, it will set the value even if source is NULL
*/
-function wfSetVar( &$dest, $source ) {
+function wfSetVar( &$dest, $source, $force = false ) {
$temp = $dest;
- if ( !is_null( $source ) ) {
+ if ( !is_null( $source ) || $force ) {
$dest = $source;
}
return $temp;
}
}
-/**
- * This is obsolete, use SquidUpdate::purge()
- * @deprecated
- */
-function wfPurgeSquidServers( $urlArr ) {
- SquidUpdate::purge( $urlArr );
-}
-
/**
* Windows-compatible version of escapeshellarg()
* Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
}
if ( wfIsWindows() ) {
- // Escaping for an MSVC-style command line parser
- // Ref: http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
+ // Escaping for an MSVC-style command line parser and CMD.EXE
+ // Refs:
+ // * http://web.archive.org/web/20020708081031/http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
+ // * http://technet.microsoft.com/en-us/library/cc723564.aspx
+ // * Bug #13518
+ // * CR r63214
// Double the backslashes before any double quotes. Escape the double quotes.
$tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
$arg = '';
# This check may also protect against code injection in
# case of broken installations.
- if( !$wgDiff3 || !file_exists( $wgDiff3 ) ) {
+ wfSuppressWarnings();
+ $haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
+ wfRestoreWarnings();
+
+ if( !$haveDiff3 ) {
wfDebug( "diff3 not found\n" );
return false;
}
}
global $wgDiff;
+ wfSuppressWarnings();
+ $haveDiff = $wgDiff && file_exists( $wgDiff );
+ wfRestoreWarnings();
# This check may also protect against code injection in
# case of broken installations.
- if( !file_exists( $wgDiff ) ) {
+ if( !$haveDiff ) {
wfDebug( "diff executable not found\n" );
$diffs = new Diff( explode( "\n", $before ), explode( "\n", $after ) );
$format = new UnifiedDiffFormatter();
*/
define( 'TS_DB2', 8 );
+/**
+ * ISO 8601 basic format with no timezone: 19860209T200000Z
+ *
+ * This is used by ResourceLoader
+ */
+define( 'TS_ISO_8601_BASIC', 9 );
+
/**
* @param $outputtype Mixed: A timestamp in one of the supported formats, the
* function will autodetect which format is supplied and act
* accordingly.
* @param $ts Mixed: the timestamp to convert or 0 for the current timestamp
- * @return String: in the format specified in $outputtype
+ * @return Mixed: String / false The same date in the format specified in $outputtype or false
*/
function wfTimestamp( $outputtype = TS_UNIX, $ts = 0 ) {
$uts = 0;
$da = array();
- if ( $ts == 0 ) {
+ $strtime = '';
+
+ if ( !$ts ) { // We want to catch 0, '', null... but not date strings starting with a letter.
$uts = time();
+ $strtime = "@$uts";
} elseif ( preg_match( '/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)$/D', $ts, $da ) ) {
# TS_DB
} elseif ( preg_match( '/^(\d{4}):(\d\d):(\d\d) (\d\d):(\d\d):(\d\d)$/D', $ts, $da ) ) {
} elseif ( preg_match( '/^-?\d{1,13}$/D', $ts ) ) {
# TS_UNIX
$uts = $ts;
+ $strtime = "@$ts"; // Undocumented?
} elseif ( preg_match( '/^\d{2}-\d{2}-\d{4} \d{2}:\d{2}:\d{2}.\d{6}$/', $ts ) ) {
# TS_ORACLE // session altered to DD-MM-YYYY HH24:MI:SS.FF6
- $uts = strtotime( preg_replace( '/(\d\d)\.(\d\d)\.(\d\d)(\.(\d+))?/', "$1:$2:$3",
- str_replace( '+00:00', 'UTC', $ts ) ) );
+ $strtime = preg_replace( '/(\d\d)\.(\d\d)\.(\d\d)(\.(\d+))?/', "$1:$2:$3",
+ str_replace( '+00:00', 'UTC', $ts ) );
} elseif ( preg_match( '/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(?:\.*\d*)?Z$/', $ts, $da ) ) {
# TS_ISO_8601
+ } elseif ( preg_match( '/^(\d{4})(\d{2})(\d{2})T(\d{2})(\d{2})(\d{2})(?:\.*\d*)?Z$/', $ts, $da ) ) {
+ #TS_ISO_8601_BASIC
} elseif ( preg_match( '/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)\.*\d*[\+\- ](\d\d)$/', $ts, $da ) ) {
# TS_POSTGRES
} elseif ( preg_match( '/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)\.*\d* GMT$/', $ts, $da ) ) {
# TS_POSTGRES
+ } elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)\.\d\d\d$/',$ts,$da)) {
+ # TS_DB2
+ } elseif ( preg_match( '/^[ \t\r\n]*([A-Z][a-z]{2},[ \t\r\n]*)?' . # Day of week
+ '\d\d?[ \t\r\n]*[A-Z][a-z]{2}[ \t\r\n]*\d{2}(?:\d{2})?' . # dd Mon yyyy
+ '[ \t\r\n]*\d\d[ \t\r\n]*:[ \t\r\n]*\d\d[ \t\r\n]*:[ \t\r\n]*\d\d/S', $ts ) ) { # hh:mm:ss
+ # TS_RFC2822, accepting a trailing comment. See http://www.squid-cache.org/mail-archive/squid-users/200307/0122.html / r77171
+ # The regex is a superset of rfc2822 for readability
+ $strtime = strtok( $ts, ';' );
+ } elseif ( preg_match( '/^[A-Z][a-z]{5,8}, \d\d-[A-Z][a-z]{2}-\d{2} \d\d:\d\d:\d\d/', $ts ) ) {
+ # TS_RFC850
+ $strtime = $ts;
+ } elseif ( preg_match( '/^[A-Z][a-z]{2} [A-Z][a-z]{2} +\d{1,2} \d\d:\d\d:\d\d \d{4}/', $ts ) ) {
+ # asctime
+ $strtime = $ts;
} else {
- # Bogus value; fall back to the epoch...
- wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
- $uts = 0;
+ # Bogus value...
+ wfDebug("wfTimestamp() fed bogus time value: TYPE=$outputtype; VALUE=$ts\n");
+
+ return false;
}
- if (count( $da ) ) {
- // Warning! gmmktime() acts oddly if the month or day is set to 0
- // We may want to handle that explicitly at some point
- $uts = gmmktime( (int)$da[4], (int)$da[5], (int)$da[6],
- (int)$da[2], (int)$da[3], (int)$da[1] );
+
+
+ static $formats = array(
+ TS_UNIX => 'U',
+ TS_MW => 'YmdHis',
+ TS_DB => 'Y-m-d H:i:s',
+ TS_ISO_8601 => 'Y-m-d\TH:i:s\Z',
+ TS_ISO_8601_BASIC => 'Ymd\THis\Z',
+ TS_EXIF => 'Y:m:d H:i:s', // This shouldn't ever be used, but is included for completeness
+ TS_RFC2822 => 'D, d M Y H:i:s',
+ TS_ORACLE => 'd-m-Y H:i:s.000000', // Was 'd-M-y h.i.s A' . ' +00:00' before r51500
+ TS_POSTGRES => 'Y-m-d H:i:s',
+ TS_DB2 => 'Y-m-d H:i:s',
+ );
+
+ if ( !isset( $formats[$outputtype] ) ) {
+ throw new MWException( 'wfTimestamp() called with illegal output type.' );
}
- switch( $outputtype ) {
- case TS_UNIX:
+ if ( function_exists( "date_create" ) ) {
+ if ( count( $da ) ) {
+ $ds = sprintf("%04d-%02d-%02dT%02d:%02d:%02d.00+00:00",
+ (int)$da[1], (int)$da[2], (int)$da[3],
+ (int)$da[4], (int)$da[5], (int)$da[6]);
+
+ $d = date_create( $ds, new DateTimeZone( 'GMT' ) );
+ } elseif ( $strtime ) {
+ $d = date_create( $strtime, new DateTimeZone( 'GMT' ) );
+ } else {
+ return false;
+ }
+
+ if ( !$d ) {
+ wfDebug("wfTimestamp() fed bogus time value: $outputtype; $ts\n");
+ return false;
+ }
+
+ $output = $d->format( $formats[$outputtype] );
+ } else {
+ if ( count( $da ) ) {
+ // Warning! gmmktime() acts oddly if the month or day is set to 0
+ // We may want to handle that explicitly at some point
+ $uts = gmmktime( (int)$da[4], (int)$da[5], (int)$da[6],
+ (int)$da[2], (int)$da[3], (int)$da[1] );
+ } elseif ( $strtime ) {
+ $uts = strtotime( $strtime );
+ }
+
+ if ( $uts === false ) {
+ wfDebug("wfTimestamp() can't parse the timestamp (non 32-bit time? Update php): $outputtype; $ts\n");
+ return false;
+ }
+
+ if ( TS_UNIX == $outputtype ) {
return $uts;
- 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.000000', $uts );
- //return gmdate( 'd-M-y h.i.s A', $uts ) . ' +00:00';
- case TS_POSTGRES:
- return gmdate( 'Y-m-d H:i:s', $uts ) . ' GMT';
- case TS_DB2:
- return gmdate( 'Y-m-d H:i:s', $uts );
- default:
- throw new MWException( 'wfTimestamp() called with illegal output type.' );
+ }
+ $output = gmdate( $formats[$outputtype], $uts );
+ }
+
+ if ( ( $outputtype == TS_RFC2822 ) || ( $outputtype == TS_POSTGRES ) ) {
+ $output .= ' GMT';
}
+
+ return $output;
}
/**
* @return Bool: true if it's Windows, False otherwise.
*/
function wfIsWindows() {
- if ( substr( php_uname(), 0, 7 ) == 'Windows' ) {
- return true;
- } else {
- return false;
+ static $isWindows = null;
+ if ( $isWindows === null ) {
+ $isWindows = substr( php_uname(), 0, 7 ) == 'Windows';
}
+ return $isWindows;
}
/**
return false;
}
} else {
- $notice = wfMsgForContentNoTrans( $name );
- if( wfEmptyMsg( $name, $notice ) || $notice == '-' ) {
+ $msg = wfMessage( $name )->inContentLanguage();
+ if( $msg->isDisabled() ) {
wfProfileOut( $fname );
return( false );
}
+ $notice = $msg->plain();
}
// Use the extra hash appender to let eg SSL variants separately cache.
/**
* BC wrapper for MimeMagic::singleton()
- * @deprecated
+ * @deprecated No longer needed as of 1.17 (r68836). Remove in 1.19.
*/
function &wfGetMimeMagic() {
wfDeprecated( __FUNCTION__ );
}
/**
- * 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.
+ * Tries to get the system directory for temporary files. The TMPDIR, TMP, and
+ * TEMP environment variables are then checked in sequence, and if none are set
+ * try sys_get_temp_dir() for PHP >= 5.2.1. All else fails, return /tmp for Unix
+ * or C:\Windows\Temp for Windows and hope for the best.
* It is common to call it with tempnam().
*
* NOTE: When possible, use instead the tmpfile() function to create
* @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 ) ) {
return $tmp;
}
}
- # Hope this is Unix of some kind!
- return '/tmp';
+ if( function_exists( 'sys_get_temp_dir' ) ) {
+ return sys_get_temp_dir();
+ }
+ # Usual defaults
+ return wfIsWindows() ? 'C:\Windows\Temp' : '/tmp';
}
/**
);
}
$statline = "stats/{$wgDBname} - 1 1 1 1 1 {$key}\n";
- @socket_sendto(
+ wfSuppressWarnings();
+ socket_sendto(
$socket,
$statline,
strlen( $statline ),
$wgUDPProfilerHost,
$wgUDPProfilerPort
);
+ wfRestoreWarnings();
} elseif( $wgStatsMethod == 'cache' ) {
global $wgMemc;
$key = wfMemcKey( 'stats', $key );
*
* @param $needle String
* @param $str String
+ * @param $insensitive Boolean
* @return Boolean
*/
-function in_string( $needle, $str ) {
- return strpos( $str, $needle ) !== false;
+function in_string( $needle, $str, $insensitive = false ) {
+ $func = 'strpos';
+ if( $insensitive ) $func = 'stripos';
+
+ return $func( $str, $needle ) !== false;
}
function wfSpecialList( $page, $details ) {
/**
* Execute a shell command, with time and memory limits mirrored from the PHP
* configuration if supported.
- * @param $cmd Command line, properly escaped for shell.
+ * @param $cmd String Command line, properly escaped for shell.
* @param &$retval optional, will receive the program's exit code.
* (non-zero is usually failure)
+ * @param $environ Array optional environment variables which should be
+ * added to the executed command environment.
* @return collected stdout as a string (trailing newlines stripped)
*/
-function wfShellExec( $cmd, &$retval = null ) {
+function wfShellExec( $cmd, &$retval = null, $environ = array() ) {
global $IP, $wgMaxShellMemory, $wgMaxShellFileSize, $wgMaxShellTime;
static $disabled;
$disabled = false;
if( wfIniGetBool( 'safe_mode' ) ) {
wfDebug( "wfShellExec can't run in safe_mode, PHP's exec functions are too broken.\n" );
- $disabled = true;
- }
- $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" );
- $disabled = true;
+ $disabled = 'safemode';
+ } else {
+ $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" );
+ $disabled = 'passthru';
+ }
}
}
if ( $disabled ) {
$retval = 1;
- return 'Unable to run external programs in safe mode.';
+ return $disabled == 'safemode' ?
+ 'Unable to run external programs in safe mode.' :
+ 'Unable to run external programs, passthru() is disabled.';
}
wfInitShellLocale();
- if ( php_uname( 's' ) == 'Linux' ) {
+ $envcmd = '';
+ foreach( $environ as $k => $v ) {
+ if ( wfIsWindows() ) {
+ /* Surrounding a set in quotes (method used by wfEscapeShellArg) makes the quotes themselves
+ * appear in the environment variable, so we must use carat escaping as documented in
+ * http://technet.microsoft.com/en-us/library/cc723564.aspx
+ * Note however that the quote isn't listed there, but is needed, and the parentheses
+ * are listed there but doesn't appear to need it.
+ */
+ $envcmd .= "set $k=" . preg_replace( '/([&|()<>^"])/', '^\\1', $v ) . '&& ';
+ } else {
+ /* Assume this is a POSIX shell, thus required to accept variable assignments before the command
+ * http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_09_01
+ */
+ $envcmd .= "$k=" . escapeshellarg( $v ) . ' ';
+ }
+ }
+ $cmd = $envcmd . $cmd;
+
+ if ( wfIsWindows() ) {
+ if ( version_compare( PHP_VERSION, '5.3.0', '<' ) && /* Fixed in 5.3.0 :) */
+ ( version_compare( PHP_VERSION, '5.2.1', '>=' ) || php_uname( 's' ) == 'Windows NT' ) )
+ {
+ # Hack to work around PHP's flawed invocation of cmd.exe
+ # http://news.php.net/php.internals/21796
+ # Windows 9x doesn't accept any kind of quotes
+ $cmd = '"' . $cmd . '"';
+ }
+ } elseif ( php_uname( 's' ) == 'Linux' ) {
$time = intval( $wgMaxShellTime );
$mem = intval( $wgMaxShellMemory );
$filesize = intval( $wgMaxShellFileSize );
if ( $time > 0 && $mem > 0 ) {
$script = "$IP/bin/ulimit4.sh";
if ( is_executable( $script ) ) {
- $cmd = escapeshellarg( $script ) . " $time $mem $filesize " . escapeshellarg( $cmd );
+ $cmd = '/bin/bash ' . escapeshellarg( $script ) . " $time $mem $filesize " . escapeshellarg( $cmd );
}
}
- } 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
- # Which is fixed in 5.3.0 :)
- $cmd = '"' . $cmd . '"';
}
wfDebug( "wfShellExec: $cmd\n" );
/**
* Do any deferred updates and clear the list
- * TODO: This could be in Wiki.php if that class made any sense at all
+ *
+ * @param $commit String: set to 'commit' to commit after every update to
+ * prevent lock contention
*/
-function wfDoUpdates() {
- global $wgPostCommitUpdateList, $wgDeferredUpdateList;
- foreach ( $wgDeferredUpdateList as $update ) {
- $update->doUpdate();
+function wfDoUpdates( $commit = '' ) {
+ global $wgDeferredUpdateList;
+
+ wfProfileIn( __METHOD__ );
+
+ // No need to get master connections in case of empty updates array
+ if ( !count( $wgDeferredUpdateList ) ) {
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ $doCommit = $commit == 'commit';
+ if ( $doCommit ) {
+ $dbw = wfGetDB( DB_MASTER );
}
- foreach ( $wgPostCommitUpdateList as $update ) {
+
+ foreach ( $wgDeferredUpdateList as $update ) {
$update->doUpdate();
+
+ if ( $doCommit && $dbw->trxLevel() ) {
+ $dbw->commit();
+ }
}
+
$wgDeferredUpdateList = array();
- $wgPostCommitUpdateList = array();
+ wfProfileOut( __METHOD__ );
}
/**
* Create an object with a given name and an array of construct parameters
* @param $name String
* @param $p Array: parameters
+ * @deprecated
*/
function wfCreateObject( $name, $p ) {
- $p = array_values( $p );
- switch ( count( $p ) ) {
- case 0:
- return new $name;
- case 1:
- return new $name( $p[0] );
- case 2:
- return new $name( $p[0], $p[1] );
- case 3:
- return new $name( $p[0], $p[1], $p[2] );
- case 4:
- return new $name( $p[0], $p[1], $p[2], $p[3] );
- case 5:
- return new $name( $p[0], $p[1], $p[2], $p[3], $p[4] );
- case 6:
- return new $name( $p[0], $p[1], $p[2], $p[3], $p[4], $p[5] );
- default:
- throw new MWException( 'Too many arguments to construtor in wfCreateObject' );
- }
+ return MWFunction::newObj( $name, $p );
}
function wfHttpOnlySafe() {
/**
* Initialise php session
*/
-function wfSetupSession() {
+function wfSetupSession( $sessionId = false ) {
global $wgSessionsInMemcached, $wgCookiePath, $wgCookieDomain,
$wgCookieSecure, $wgCookieHttpOnly, $wgSessionHandler;
if( $wgSessionsInMemcached ) {
session_set_cookie_params( 0, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
}
session_cache_limiter( 'private, must-revalidate' );
+ if ( $sessionId ) {
+ session_id( $sessionId );
+ }
wfSuppressWarnings();
session_start();
wfRestoreWarnings();
/**
* Get the load balancer factory object
+ * @return LBFactory
*/
function &wfGetLBFactory() {
return LBFactory::singleton();
/**
* Find a file.
* Shortcut for RepoGroup::singleton()->findFile()
- * @param $title Either a string or Title object
+ * @param $title 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
/**
* 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
+ * @param $title Title or String
* @return File, or null if passed an invalid Title
*/
function wfLocalFile( $title ) {
/**
* Load an extension messages file
- * @deprecated in 1.16 (warnings in 1.18, removed in ?)
+ * @deprecated in 1.16, warnings in 1.18, remove in 1.20
*/
function wfLoadExtensionMessages( $extensionName, $langcode = false ) {
+ wfDeprecated( __FUNCTION__ );
}
/**
if( isset( $callerfunc['class'] ) ) {
$func .= $callerfunc['class'] . '::';
}
- $func .= @$callerfunc['function'];
+ if( isset( $callerfunc['function'] ) ) {
+ $func .= $callerfunc['function'];
+ }
$msg .= " [Called from $func in $file]";
}
$lb = wfGetLB( $wiki );
list( $host, $lag ) = $lb->getMaxLag( $wiki );
while( $lag > $maxLag ) {
- $name = @gethostbyaddr( $host );
+ wfSuppressWarnings();
+ $name = gethostbyaddr( $host );
+ wfRestoreWarnings();
if( $name !== false ) {
$host = $name;
}
}
/**
- * Output some plain text in command-line mode or in the installer (updaters.inc).
- * Do not use it in any other context, its behaviour is subject to change.
+ * Used to be used for outputting text in the installer/updater
+ * @deprecated Warnings in 1.19, removal in 1.20
*/
function wfOut( $s ) {
global $wgCommandLineMode;
* characters before hashing.
*/
function wfGenerateToken( $salt = '' ) {
- $salt = serialize( $salt );
-
- return md5( mt_rand( 0, 0x7fffffff ) . $salt );
+ $salt = serialize( $salt );
+ return md5( mt_rand( 0, 0x7fffffff ) . $salt );
}
/**
function wfMemoryLimit() {
global $wgMemoryLimit;
$memlimit = wfShorthandToInteger( ini_get( 'memory_limit' ) );
- $conflimit = wfShorthandToInteger( $wgMemoryLimit );
if( $memlimit != -1 ) {
+ $conflimit = wfShorthandToInteger( $wgMemoryLimit );
if( $conflimit == -1 ) {
wfDebug( "Removing PHP's memory limit\n" );
wfSuppressWarnings();
*/
function wfShorthandToInteger( $string = '' ) {
$string = trim( $string );
- if( empty( $string ) ) {
+ if( $string === '' ) {
return -1;
}
- $last = strtolower( $string[strlen( $string ) - 1] );
+ $last = $string[strlen( $string ) - 1];
$val = intval( $string );
switch( $last ) {
case 'g':
+ case 'G':
$val *= 1024;
+ // break intentionally missing
case 'm':
+ case 'M':
$val *= 1024;
+ // break intentionally missing
case 'k':
+ case 'K':
$val *= 1024;
}