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run code in 200+ php & hhvm versions
Bugs & Features
<?php function replace4byte($string) { return preg_replace('%(?: \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 )%xs', '', $string); } echo replace4byte(\u2019);
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Undefined constant 'u2019' in /in/4eFNt:11 Stack trace: #0 {main} thrown in /in/4eFNt on line 11
Process exited with code 255.
Output for 5.3.17 - 5.6.28
Fatal error: Undefined constant 'u2019' in /in/4eFNt on line 11
Process exited with code 255.