3v4l.org

run code in 300+ PHP versions simultaneously
<?php function IsEqual( $str,$str2 ) { $res = 0; for ($i=0, $max = count($str) -1; $i < $max; $i++) { if ( $str[$i] == $str2[$i]) { $res++; } else if ($str[$i] != $str2[$i]) { $res = 0; break; } } if (!$res) { return strlen($str) - strlen($str2); } else { return $res; } } $str = " 5"; $str2 = " 5"; $compRes = IsEqual($str,$str2); if (!$compRes){ echo "The \$str and \$str2 are the same.\n"); } else { echo "\$str is ",($compRes == 1)? "greater " : "less ", " than \$str2"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.250.0030.05718.66
5.4.240.0070.05318.75
5.4.230.0100.05018.91
5.4.220.0170.05018.95
5.4.210.0130.05019.00
5.4.200.0170.07319.00
5.4.190.0070.05019.00
5.4.180.0100.05018.96
5.4.170.0100.07018.79
5.4.160.0100.05018.96
5.4.150.0070.07318.96
5.4.140.0030.05316.39
5.4.130.0070.06316.50
5.4.120.0030.07716.59
5.4.110.0170.06316.56
5.4.100.0100.05016.56
5.4.90.0070.06716.34
5.4.80.0100.04316.48
5.4.70.0100.04716.40
5.4.60.0000.06016.63
5.4.50.0070.05016.39
5.4.40.0070.05016.56
5.4.30.0100.05716.39
5.4.20.0070.05316.54
5.4.10.0100.07716.38
5.4.00.0100.04715.84
5.3.280.0130.06314.60
5.3.270.0030.06714.70
5.3.260.0200.04314.69
5.3.250.0170.07014.70
5.3.240.0130.06314.43
5.3.230.0070.07314.68
5.3.220.0200.05314.55
5.3.210.0130.05014.70
5.3.200.0100.05714.79
5.3.190.0100.04714.70
5.3.180.0100.06314.65
5.3.170.0100.07014.65
5.3.160.0070.05014.72
5.3.150.0070.05314.64
5.3.140.0130.06014.64
5.3.130.0100.05014.63
5.3.120.0170.05714.52
5.3.110.0030.05714.53
5.3.100.0070.05014.11
5.3.90.0100.05014.03
5.3.80.0130.06314.01
5.3.70.0200.05714.20
5.3.60.0070.05314.00
5.3.50.0100.05313.86
5.3.40.0070.06714.17
5.3.30.0170.04313.91
5.3.20.0100.05013.78
5.3.10.0170.05313.87
5.3.00.0070.05013.80

preferences:
159.85 ms | 1394 KiB | 7 Q