* 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.
*/
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.
*
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 );
}
}
*
* @return bool Whereas client accept gzip compression
*/
-function wfClientAcceptsGzip() {
+function wfClientAcceptsGzip( $force = false ) {
static $result = null;
- if ( $result === null ) {
+ if ( $result === null || $force ) {
$result = false;
if( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) ) {
# FIXME: we may want to blacklist some broken browsers
/**
* Sets dest to source and returns the original value of dest
* If source is NULL, it just returns the value, it doesn't set the variable
+ * If force is true, it will set the value even if source is NULL
*/
-function wfSetVar( &$dest, $source ) {
+function wfSetVar( &$dest, $source, $force = false ) {
$temp = $dest;
- if ( !is_null( $source ) ) {
+ if ( !is_null( $source ) || $force ) {
$dest = $source;
}
return $temp;
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.
*
* @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 ) {
* 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() {