3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cast($val) { echp $val; if (is_numeric($val)) { return $val + 0; } //return 0; return $val; } $arr = ['stri33ng123', 84, 76.7, '45.6', '67.5e45', '56,9']; array_walk($arr , 'cast');
Output for 5.4.0 - 5.4.22, 5.5.0 - 5.5.6
Parse error: syntax error, unexpected '$val' (T_VARIABLE) in /in/vVkFU on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/vVkFU on line 5
Process exited with code 255.
preferences:
170.51 ms | 1395 KiB | 65 Q