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run code in 150+ php & hhvm versions
Bugs & Features
<?php function cast($val) { if (is_numeric($val)) { return $val + 0; } //return 0; return $val; } $arr = ['stri33ng123', 84, 76.7, '45.6', '67.5e45', '56,9']; array_walk($arr , 'cast'); foreach($arr as $a) { var_dump(cast($a)); }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(11) "stri33ng123" int(84) float(76.7) float(45.6) float(6.75E+46) string(4) "56,9"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/2s7tV on line 13
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/2s7tV on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2s7tV on line 13
Process exited with code 255.