3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string='bla bla xxx bla *xxx bla bla **xxx bla bla ***xxx bla bla ****xxx'; $search='xxx'; $char='*'; preg_replace_callback( '/(' . preg_quote($char) . '*)' . $search . '/', function($matches) { print strlen($matches[1]); if(strlen($matches[1]) % 2 !== 0) { return $matches[1] . '*'; } }, $string ); print $string;
based on B0inp
Output for 5.3.0 - 7.2.0
01234bla bla xxx bla *xxx bla bla **xxx bla bla ***xxx bla bla ****xxx
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/d4Rcp on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/d4Rcp on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/d4Rcp on line 9
Process exited with code 255.