* Fallback functions for PHP installed without mbstring support
*/
class Fallback {
-
- public static function fallback_iconv( $from, $to, $string ) {
+
+ /**
+ * @param $from
+ * @param $to
+ * @param $string
+ * @return string
+ */
+ public static function iconv( $from, $to, $string ) {
if ( substr( $to, -8 ) == '//IGNORE' ) {
$to = substr( $to, 0, strlen( $to ) - 8 );
}
return utf8_encode( $string );
}
return $string;
- }
-
+ }
+
/**
* Fallback implementation for mb_substr, hardcoded to UTF-8.
* Attempts to be at least _moderately_ efficient; best optimized
* 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.
+ *
+ * @param $str
+ * @param $start
+ * @param $count string
+ *
+ * @return string
*/
- public static function fallback_mb_substr( $str, $start, $count='end' ) {
+ public static function mb_substr( $str, $start, $count = 'end' ) {
if( $start != 0 ) {
- $split = self::fallback_mb_substr_split_unicode( $str, intval( $start ) );
+ $split = self::mb_substr_split_unicode( $str, intval( $start ) );
$str = substr( $str, $split );
}
-
+
if( $count !== 'end' ) {
- $split = self::fallback_mb_substr_split_unicode( $str, intval( $count ) );
+ $split = self::mb_substr_split_unicode( $str, intval( $count ) );
$str = substr( $str, 0, $split );
}
-
+
return $str;
}
-
- public static function fallback_mb_substr_split_unicode( $str, $splitPos ) {
+
+ /**
+ * @param $str
+ * @param $splitPos
+ * @return int
+ */
+ public static 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" ) {
+ while ( $bytePos < $byteLen && $str[$bytePos] >= "\x80" && $str[$bytePos] < "\xc0" ) {
++$bytePos;
}
$charPos = mb_strlen( substr( $str, 0, $bytePos ) );
$charPos = 0;
$bytePos = 0;
}
-
+
while( $charPos++ < $splitPos ) {
++$bytePos;
// Move past any tail bytes
- while ( $bytePos < $byteLen && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
+ while ( $bytePos < $byteLen && $str[$bytePos] >= "\x80" && $str[$bytePos] < "\xc0" ) {
++$bytePos;
}
}
while( $bytePos > 0 && $charPos-- >= $splitPosX ) {
--$bytePos;
// Move past any tail bytes
- while ( $bytePos > 0 && $str{$bytePos} >= "\x80" && $str{$bytePos} < "\xc0" ) {
+ while ( $bytePos > 0 && $str[$bytePos] >= "\x80" && $str[$bytePos] < "\xc0" ) {
--$bytePos;
}
}
}
-
+
return $bytePos;
}
-
+
/**
* Fallback implementation of mb_strlen, hardcoded to UTF-8.
* @param string $str
* @param string $enc optional encoding; ignored
* @return int
*/
- public static function fallback_mb_strlen( $str, $enc = '' ) {
+ public static 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;
}
-
-
+
+
/**
* Fallback implementation of mb_strpos, hardcoded to UTF-8.
* @param $haystack String
* @param $encoding String: optional encoding; ignored
* @return int
*/
- public static function fallback_mb_strpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
+ public static 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;
}
- }
-
+ }
+
/**
* Fallback implementation of mb_strrpos, hardcoded to UTF-8.
* @param $haystack String
* @param $encoding String: optional encoding; ignored
* @return int
*/
- public static function fallback_mb_strrpos( $haystack, $needle, $offset = 0, $encoding = '' ) {
+ public static 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];
return false;
}
}
-
-}
\ No newline at end of file
+
+ /**
+ * Fallback implementation of stream_resolve_include_path()
+ * Native stream_resolve_include_path is available for PHP 5 >= 5.3.2
+ * @param $filename String
+ * @return String
+ */
+ public static function stream_resolve_include_path( $filename ) {
+ $pathArray = explode( PATH_SEPARATOR, get_include_path() );
+ foreach ( $pathArray as $path ) {
+ $fullFilename = $path . DIRECTORY_SEPARATOR . $filename;
+ if ( file_exists( $fullFilename ) ) {
+ return $fullFilename;
+ }
+ }
+ return false;
+ }
+
+}
dépôts / lhc / web / wiklou.git / blobdiff