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<?php $string = 'miauw\u931'; $result = preg_replace('/./uD', '', $string, -1, $count); var_dump( $string, $result, $count );
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(10) "miauw\u931" string(0) "" int(10)
Output for 5.1.0 - 5.1.2
Notice: Undefined variable: count in /in/G1mvn on line 5 Notice: Undefined variable: count in /in/G1mvn on line 11 string(10) "miauw\u931" string(0) "" NULL
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: count in /in/G1mvn on line 5 Warning: Wrong parameter count for preg_replace() in /in/G1mvn on line 5 Notice: Undefined variable: count in /in/G1mvn on line 10 string(10) "miauw\u931" NULL NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: count in /in/G1mvn on line 5 Warning: Wrong parameter count for preg_replace() in /in/G1mvn on line 5 Notice: Undefined variable: count in /in/G1mvn on line 10 string(10) "miauw\u931" NULL NULL
preferences:
262.8 ms | 402 KiB | 370 Q