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run code in 300+ PHP versions simultaneously
<?php global $aHash; $i=0; $tmp=''; while($i < 10000) {  $tmp .= 'a';  ++$i;} $aHash = array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); Test2_3(); Test2_End(); function Test2_3()  {     global $aHash;     $t = microtime(true);     $key = array_keys($aHash);     $size = sizeOf($key);     for ($i=0; $i<$size; $i++)  $aHash[$key[$i]] .= "a";  return (microtime(true) - $t); } function Test2_End()  {     global $aHash; unset($aHash); } ?>
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '{' in /in/kJcP5 on line 7
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 '{' in /in/kJcP5 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kJcP5 on line 7
Process exited with code 255.

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222.62 ms | 1386 KiB | 121 Q