3v4l.org

run code in 300+ PHP versions simultaneously
<?php global $array = array(); function foo() { global $array; $i = 0; while ($i < 100000) { $array[] = $i; $i++; } $key = 9999; $exists = array_key_exists($key, $array); if ($exists === true) echo 'exists'; else echo 'does not exist'; } foo();
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '=', expecting ',' or ';' in /in/RvVPt on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '=', expecting ',' or ';' in /in/RvVPt on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/RvVPt on line 2
Process exited with code 255.
preferences:
222.84 ms | 1395 KiB | 122 Q