3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @legacy */ interface A { function foo($x = NULL); } interface B extends A { function foo() {} }

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)
5.4.260.0030.05719.00
5.4.250.0100.04718.92
5.4.240.0100.05318.93
5.4.230.0070.07718.97
5.4.220.0070.05719.07
5.4.210.0100.05718.81
5.4.200.0100.07018.93
5.4.190.0030.06718.75
5.4.180.0030.05718.70
5.4.170.0070.05319.06
5.4.160.0100.05318.93
5.4.150.0070.06018.74
5.4.140.0100.05016.61
5.4.130.0130.04316.40
5.4.120.0130.04716.63
5.4.110.0070.05316.52
5.4.100.0170.05316.54
5.4.90.0200.03716.54
5.4.80.0030.07316.63
5.4.70.0030.05716.44
5.4.60.0030.07016.37
5.4.50.0100.06716.36
5.4.40.0000.05316.54
5.4.30.0000.06716.36
5.4.20.0200.05016.29
5.4.10.0030.06316.43
5.4.00.0030.07015.84
5.3.280.0170.04714.68
5.3.270.0070.06314.79
5.3.260.0000.06014.83
5.3.250.0130.07314.82
5.3.240.0100.06714.51
5.3.230.0100.07014.76
5.3.220.0170.06314.54
5.3.210.0100.07314.56
5.3.200.0070.07714.59
5.3.190.0100.05314.57
5.3.180.0070.07314.79
5.3.170.0200.06314.66
5.3.160.0170.04014.58
5.3.150.0100.05314.73
5.3.140.0100.05014.57
5.3.130.0130.06714.64
5.3.120.0170.06314.38
5.3.110.0100.07714.63
5.3.100.0130.04314.11
5.3.90.0100.05014.15
5.3.80.0000.05714.09
5.3.70.0030.05014.03
5.3.60.0170.05314.06
5.3.50.0000.05713.80
5.3.40.0030.05014.04
5.3.30.0100.05014.00
5.3.20.0030.07013.77
5.3.10.0030.05313.73
5.3.00.0030.05013.62
5.2.170.0130.05011.13
5.2.160.0000.04311.32
5.2.150.0030.05011.37
5.2.140.0130.04711.04
5.2.130.0130.03711.32
5.2.120.0030.04311.09
5.2.110.0170.03011.09
5.2.100.0100.03711.10
5.2.90.0030.04011.09
5.2.80.0130.05011.17
5.2.70.0070.04311.09
5.2.60.0030.04711.13
5.2.50.0030.06311.01
5.2.40.0070.04311.21
5.2.30.0070.04311.06
5.2.20.0070.04011.18
5.2.10.0100.04710.86
5.2.00.0070.04010.69
5.1.60.0070.03310.07
5.1.50.0070.04010.04
5.1.40.0070.04710.18
5.1.30.0100.05010.24
5.1.20.0000.04010.19
5.1.10.0030.05310.07
5.1.00.0130.03310.02
5.0.50.0100.0278.54
5.0.40.0100.0338.41
5.0.30.0030.0408.14
5.0.20.0030.0338.14
5.0.10.0070.0238.18
5.0.00.0030.0438.39
4.4.90.0030.0205.77
4.4.80.0000.0305.83
4.4.70.0070.0275.73
4.4.60.0100.0235.69
4.4.50.0030.0205.75
4.4.40.0000.0375.74
4.4.30.0000.0275.83
4.4.20.0030.0205.85
4.4.10.0070.0205.82
4.4.00.0000.0335.83
4.3.110.0000.0305.76
4.3.100.0030.0335.70
4.3.90.0000.0275.60
4.3.80.0030.0405.66
4.3.70.0000.0235.69
4.3.60.0000.0235.80
4.3.50.0000.0275.80
4.3.40.0070.0375.66
4.3.30.0100.0174.42
4.3.20.0030.0274.48
4.3.10.0000.0234.42
4.3.00.0070.0237.17

preferences:
143.93 ms | 1394 KiB | 7 Q