3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = range(-10, 10); $b = range(-10, 10, 0.5); $opResults = []; $funcResults = []; foreach($a as $_a) { foreach($b as $_b) { $opResults[] = $_a ** $_b; $funcResults[] = pow($_a, $_b); } } var_dump($opResults == $funcResults, array_diff($opResults, $funcResults));
based on rQhr7
Output for 5.6.8 - 7.1.0
bool(false) array(0) { }
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected '*' in /in/SZpUn on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/SZpUn on line 7
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/SZpUn on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/SZpUn on line 7
Process exited with code 255.