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@@ 5053-5111 (lines=59) @@
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| 5050 |
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* |
| 5051 |
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* @return false|string A sub-string,<br />or <strong>false</strong> if needle is not found. |
| 5052 |
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*/ |
| 5053 |
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public static function stristr($haystack, $needle, $before_needle = false, $encoding = 'UTF-8', $cleanUtf8 = false) |
| 5054 |
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{ |
| 5055 |
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$haystack = (string)$haystack; |
| 5056 |
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$needle = (string)$needle; |
| 5057 |
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$before_needle = (bool)$before_needle; |
| 5058 |
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| 5059 |
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if (!isset($haystack[0], $needle[0])) { |
| 5060 |
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return false; |
| 5061 |
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} |
| 5062 |
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| 5063 |
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if ($encoding !== 'UTF-8') { |
| 5064 |
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$encoding = self::normalize_encoding($encoding, 'UTF-8'); |
| 5065 |
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} |
| 5066 |
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| 5067 |
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if ($cleanUtf8 === true) { |
| 5068 |
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// "\mb_strpos" and "\iconv_strpos" returns wrong position, |
| 5069 |
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// if invalid characters are found in $haystack before $needle |
| 5070 |
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$needle = self::clean($needle); |
| 5071 |
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$haystack = self::clean($haystack); |
| 5072 |
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} |
| 5073 |
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| 5074 |
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if (!isset(self::$SUPPORT['already_checked_via_portable_utf8'])) { |
| 5075 |
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self::checkForSupport(); |
| 5076 |
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} |
| 5077 |
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| 5078 |
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if ( |
| 5079 |
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$encoding !== 'UTF-8' |
| 5080 |
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&& |
| 5081 |
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self::$SUPPORT['mbstring'] === false |
| 5082 |
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) { |
| 5083 |
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trigger_error('UTF8::stristr() without mbstring cannot handle "' . $encoding . '" encoding', E_USER_WARNING); |
| 5084 |
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} |
| 5085 |
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| 5086 |
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if (self::$SUPPORT['mbstring'] === true) { |
| 5087 |
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return \mb_stristr($haystack, $needle, $before_needle, $encoding); |
| 5088 |
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} |
| 5089 |
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| 5090 |
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if ( |
| 5091 |
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$encoding === 'UTF-8' // INFO: "grapheme_stripos()" can't handle other encodings |
| 5092 |
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&& |
| 5093 |
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self::$SUPPORT['intl'] === true |
| 5094 |
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&& |
| 5095 |
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Bootup::is_php('5.4') === true |
| 5096 |
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) { |
| 5097 |
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return \grapheme_stristr($haystack, $needle, $before_needle); |
| 5098 |
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} |
| 5099 |
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| 5100 |
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preg_match('/^(.*?)' . preg_quote($needle, '/') . '/usi', $haystack, $match); |
| 5101 |
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| 5102 |
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if (!isset($match[1])) { |
| 5103 |
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return false; |
| 5104 |
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} |
| 5105 |
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| 5106 |
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if ($before_needle) { |
| 5107 |
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return $match[1]; |
| 5108 |
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} |
| 5109 |
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| 5110 |
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return self::substr($haystack, self::strlen($match[1])); |
| 5111 |
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} |
| 5112 |
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| 5113 |
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/** |
| 5114 |
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* Get the string length, not the byte-length! |
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@@ 5766-5823 (lines=58) @@
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| 5763 |
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* |
| 5764 |
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* @return string|false A sub-string,<br />or <strong>false</strong> if needle is not found. |
| 5765 |
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*/ |
| 5766 |
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public static function strstr($haystack, $needle, $before_needle = false, $encoding = 'UTF-8', $cleanUtf8 = false) |
| 5767 |
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{ |
| 5768 |
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$haystack = (string)$haystack; |
| 5769 |
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$needle = (string)$needle; |
| 5770 |
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| 5771 |
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if (!isset($haystack[0], $needle[0])) { |
| 5772 |
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return false; |
| 5773 |
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} |
| 5774 |
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| 5775 |
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if ($cleanUtf8 === true) { |
| 5776 |
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// "\mb_strpos" and "\iconv_strpos" returns wrong position, |
| 5777 |
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// if invalid characters are found in $haystack before $needle |
| 5778 |
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$needle = self::clean($needle); |
| 5779 |
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$haystack = self::clean($haystack); |
| 5780 |
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} |
| 5781 |
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| 5782 |
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if ($encoding !== 'UTF-8') { |
| 5783 |
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$encoding = self::normalize_encoding($encoding, 'UTF-8'); |
| 5784 |
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} |
| 5785 |
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| 5786 |
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if (!isset(self::$SUPPORT['already_checked_via_portable_utf8'])) { |
| 5787 |
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self::checkForSupport(); |
| 5788 |
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} |
| 5789 |
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| 5790 |
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if ( |
| 5791 |
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$encoding !== 'UTF-8' |
| 5792 |
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&& |
| 5793 |
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self::$SUPPORT['mbstring'] === false |
| 5794 |
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) { |
| 5795 |
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trigger_error('UTF8::strstr() without mbstring cannot handle "' . $encoding . '" encoding', E_USER_WARNING); |
| 5796 |
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} |
| 5797 |
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| 5798 |
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if (self::$SUPPORT['mbstring'] === true) { |
| 5799 |
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return \mb_strstr($haystack, $needle, $before_needle, $encoding); |
| 5800 |
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} |
| 5801 |
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| 5802 |
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if ( |
| 5803 |
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$encoding === 'UTF-8' // INFO: "grapheme_stripos()" can't handle other encodings |
| 5804 |
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&& |
| 5805 |
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self::$SUPPORT['intl'] === true |
| 5806 |
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&& |
| 5807 |
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Bootup::is_php('5.4') === true |
| 5808 |
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) { |
| 5809 |
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return \grapheme_strstr($haystack, $needle, $before_needle); |
| 5810 |
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} |
| 5811 |
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| 5812 |
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preg_match('/^(.*?)' . preg_quote($needle, '/') . '/us', $haystack, $match); |
| 5813 |
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| 5814 |
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if (!isset($match[1])) { |
| 5815 |
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return false; |
| 5816 |
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} |
| 5817 |
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| 5818 |
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if ($before_needle) { |
| 5819 |
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return $match[1]; |
| 5820 |
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} |
| 5821 |
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| 5822 |
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return self::substr($haystack, self::strlen($match[1])); |
| 5823 |
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} |
| 5824 |
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| 5825 |
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/** |
| 5826 |
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* Unicode transformation for case-less matching. |
voku /
portable-utf8
