3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = []; $m['port'] = ''; ! $m['port'] AND {unset($m['port'])}; var_dump($m);

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)
5.4.270.0130.04718.94
5.4.260.0170.05018.77
5.4.250.0070.07719.00
5.4.240.0070.07318.78
5.4.230.0070.05318.96
5.4.220.0170.07018.83
5.4.210.0130.06019.00
5.4.200.0070.07318.67
5.4.190.0030.06718.76
5.4.180.0070.06018.81
5.4.170.0130.05718.99
5.4.160.0070.05318.98
5.4.150.0170.06018.63
5.4.140.0170.06316.36
5.4.130.0130.06716.36
5.4.120.0100.04716.55
5.4.110.0100.05316.43
5.4.100.0170.05716.38
5.4.90.0030.07316.48
5.4.80.0100.04716.54
5.4.70.0100.07016.46
5.4.60.0230.06716.38
5.4.50.0000.05716.33
5.4.40.0100.05016.68
5.4.30.0100.04316.33
5.4.20.0200.04016.48
5.4.10.0130.06316.44
5.4.00.0030.06315.75
5.3.280.0270.04714.47
5.3.270.0070.05314.61
5.3.260.0100.07014.45
5.3.250.0100.05014.52
5.3.240.0100.06714.64
5.3.230.0030.05714.61
5.3.220.0100.07014.66
5.3.210.0100.05714.48
5.3.200.0200.06014.59
5.3.190.0000.08014.66
5.3.180.0030.06314.66
5.3.170.0170.06014.43
5.3.160.0030.07314.44
5.3.150.0230.06014.26
5.3.140.0070.05714.65
5.3.130.0100.06014.55
5.3.120.0170.04714.64
5.3.110.0270.04714.54
5.3.100.0100.04713.74
5.3.90.0000.07014.01
5.3.80.0030.06014.07
5.3.70.0100.06014.04
5.3.60.0230.05714.00
5.3.50.0000.06014.00
5.3.40.0000.05713.89
5.3.30.0070.05013.79
5.3.20.0100.06313.73
5.3.10.0170.05713.74
5.3.00.0100.07013.63
5.2.170.0000.04711.14
5.2.160.0130.04711.05
5.2.150.0100.05311.15
5.2.140.0070.04710.96
5.2.130.0100.05711.09
5.2.120.0100.04011.10
5.2.110.0070.04710.99
5.2.100.0070.04711.04
5.2.90.0100.03711.21
5.2.80.0070.05711.20
5.2.70.0100.05011.10
5.2.60.0100.04710.98
5.2.50.0130.05310.79
5.2.40.0100.05010.91
5.2.30.0200.04710.90
5.2.20.0130.03710.88
5.2.10.0070.03710.94
5.2.00.0070.05010.79
5.1.60.0000.04010.02
5.1.50.0100.0439.95
5.1.40.0100.03310.21
5.1.30.0070.05310.39
5.1.20.0030.03710.43
5.1.10.0130.03310.08
5.1.00.0070.04710.13
5.0.50.0030.0308.61
5.0.40.0030.0408.32
5.0.30.0130.0408.24
5.0.20.0070.0338.42
5.0.10.0070.0378.21
5.0.00.0030.0438.18
4.4.90.0000.0337.02
4.4.80.0100.0237.02
4.4.70.0000.0277.02
4.4.60.0070.0207.02
4.4.50.0070.0307.02
4.4.40.0070.0337.02
4.4.30.0030.0307.02
4.4.20.0000.0237.02
4.4.10.0030.0307.02
4.4.00.0070.0437.02
4.3.110.0030.0207.02
4.3.100.0000.0307.02
4.3.90.0030.0277.02
4.3.80.0100.0277.02
4.3.70.0070.0237.02
4.3.60.0070.0207.02
4.3.50.0130.0137.02
4.3.40.0030.0437.02
4.3.30.0000.0307.02
4.3.20.0000.0307.02
4.3.10.0000.0277.02
4.3.00.0170.0206.55

preferences:
138.91 ms | 1394 KiB | 7 Q