3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = [ 'sss4444dfdf', //лишние '444444', //много 'sdfsdf', //все не то '', // '4', //мало ]; print_r(preg_filter('/^\D*(\d{2,4}).*$/', '$1', $a));
Output for 5.4.0 - 7.1.0
Array ( [0] => 4444 [1] => 4444 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/sAB2i on line 2
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 '[' in /in/sAB2i on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sAB2i on line 2
Process exited with code 255.