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@@ 5131-5189 (lines=59) @@
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| 5128 |
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* |
| 5129 |
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* @return false|string A sub-string,<br />or <strong>false</strong> if needle is not found. |
| 5130 |
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*/ |
| 5131 |
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public static function stristr($haystack, $needle, $before_needle = false, $encoding = 'UTF-8', $cleanUtf8 = false) |
| 5132 |
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{ |
| 5133 |
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$haystack = (string)$haystack; |
| 5134 |
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$needle = (string)$needle; |
| 5135 |
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$before_needle = (bool)$before_needle; |
| 5136 |
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| 5137 |
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if (!isset($haystack[0], $needle[0])) { |
| 5138 |
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return false; |
| 5139 |
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} |
| 5140 |
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| 5141 |
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if ($encoding !== 'UTF-8') { |
| 5142 |
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$encoding = self::normalize_encoding($encoding, 'UTF-8'); |
| 5143 |
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} |
| 5144 |
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| 5145 |
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if ($cleanUtf8 === true) { |
| 5146 |
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// "\mb_strpos" and "\iconv_strpos" returns wrong position, |
| 5147 |
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// if invalid characters are found in $haystack before $needle |
| 5148 |
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$needle = self::clean($needle); |
| 5149 |
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$haystack = self::clean($haystack); |
| 5150 |
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} |
| 5151 |
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| 5152 |
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if (!isset(self::$SUPPORT['already_checked_via_portable_utf8'])) { |
| 5153 |
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self::checkForSupport(); |
| 5154 |
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} |
| 5155 |
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| 5156 |
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if ( |
| 5157 |
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$encoding !== 'UTF-8' |
| 5158 |
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&& |
| 5159 |
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self::$SUPPORT['mbstring'] === false |
| 5160 |
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) { |
| 5161 |
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trigger_error('UTF8::stristr() without mbstring cannot handle "' . $encoding . '" encoding', E_USER_WARNING); |
| 5162 |
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} |
| 5163 |
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| 5164 |
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if (self::$SUPPORT['mbstring'] === true) { |
| 5165 |
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return \mb_stristr($haystack, $needle, $before_needle, $encoding); |
| 5166 |
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} |
| 5167 |
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| 5168 |
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if ( |
| 5169 |
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$encoding === 'UTF-8' // INFO: "grapheme_stripos()" can't handle other encodings |
| 5170 |
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&& |
| 5171 |
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self::$SUPPORT['intl'] === true |
| 5172 |
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&& |
| 5173 |
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Bootup::is_php('5.4') === true |
| 5174 |
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) { |
| 5175 |
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return \grapheme_stristr($haystack, $needle, $before_needle); |
| 5176 |
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} |
| 5177 |
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| 5178 |
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preg_match('/^(.*?)' . preg_quote($needle, '/') . '/usi', $haystack, $match); |
| 5179 |
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| 5180 |
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if (!isset($match[1])) { |
| 5181 |
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return false; |
| 5182 |
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} |
| 5183 |
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| 5184 |
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if ($before_needle) { |
| 5185 |
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return $match[1]; |
| 5186 |
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} |
| 5187 |
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| 5188 |
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return self::substr($haystack, self::strlen($match[1])); |
| 5189 |
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} |
| 5190 |
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| 5191 |
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/** |
| 5192 |
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* Get the string length, not the byte-length! |
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@@ 5844-5901 (lines=58) @@
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| 5841 |
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* |
| 5842 |
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* @return string|false A sub-string,<br />or <strong>false</strong> if needle is not found. |
| 5843 |
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*/ |
| 5844 |
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public static function strstr($haystack, $needle, $before_needle = false, $encoding = 'UTF-8', $cleanUtf8 = false) |
| 5845 |
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{ |
| 5846 |
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$haystack = (string)$haystack; |
| 5847 |
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$needle = (string)$needle; |
| 5848 |
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| 5849 |
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if (!isset($haystack[0], $needle[0])) { |
| 5850 |
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return false; |
| 5851 |
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} |
| 5852 |
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| 5853 |
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if ($cleanUtf8 === true) { |
| 5854 |
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// "\mb_strpos" and "\iconv_strpos" returns wrong position, |
| 5855 |
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// if invalid characters are found in $haystack before $needle |
| 5856 |
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$needle = self::clean($needle); |
| 5857 |
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$haystack = self::clean($haystack); |
| 5858 |
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} |
| 5859 |
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| 5860 |
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if ($encoding !== 'UTF-8') { |
| 5861 |
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$encoding = self::normalize_encoding($encoding, 'UTF-8'); |
| 5862 |
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} |
| 5863 |
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| 5864 |
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if (!isset(self::$SUPPORT['already_checked_via_portable_utf8'])) { |
| 5865 |
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self::checkForSupport(); |
| 5866 |
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} |
| 5867 |
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| 5868 |
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if ( |
| 5869 |
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$encoding !== 'UTF-8' |
| 5870 |
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&& |
| 5871 |
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self::$SUPPORT['mbstring'] === false |
| 5872 |
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) { |
| 5873 |
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trigger_error('UTF8::strstr() without mbstring cannot handle "' . $encoding . '" encoding', E_USER_WARNING); |
| 5874 |
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} |
| 5875 |
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| 5876 |
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if (self::$SUPPORT['mbstring'] === true) { |
| 5877 |
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return \mb_strstr($haystack, $needle, $before_needle, $encoding); |
| 5878 |
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} |
| 5879 |
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| 5880 |
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if ( |
| 5881 |
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$encoding === 'UTF-8' // INFO: "grapheme_stripos()" can't handle other encodings |
| 5882 |
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&& |
| 5883 |
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self::$SUPPORT['intl'] === true |
| 5884 |
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&& |
| 5885 |
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Bootup::is_php('5.4') === true |
| 5886 |
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) { |
| 5887 |
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return \grapheme_strstr($haystack, $needle, $before_needle); |
| 5888 |
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} |
| 5889 |
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| 5890 |
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preg_match('/^(.*?)' . preg_quote($needle, '/') . '/us', $haystack, $match); |
| 5891 |
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| 5892 |
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if (!isset($match[1])) { |
| 5893 |
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return false; |
| 5894 |
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} |
| 5895 |
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| 5896 |
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if ($before_needle) { |
| 5897 |
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return $match[1]; |
| 5898 |
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} |
| 5899 |
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| 5900 |
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return self::substr($haystack, self::strlen($match[1])); |
| 5901 |
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} |
| 5902 |
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| 5903 |
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/** |
| 5904 |
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* Unicode transformation for case-less matching. |
voku /
portable-utf8
