3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { $b = 123; $arr = get_defined_vars(); print_r($arr); } a();

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)
8.4.130.0070.00318.66
8.4.120.0120.01019.57
8.4.110.0150.00517.94
8.4.100.0100.01117.48
8.4.90.0120.00820.48
8.4.80.0150.00518.75
8.4.70.0140.00918.48
8.4.60.0070.01218.83
8.4.50.0060.00217.80
8.4.40.0130.00617.33
8.4.30.0030.00518.96
8.4.20.0080.00017.77
8.4.10.0090.00619.27
8.3.260.0100.00916.69
8.3.250.0140.00516.78
8.3.240.0150.00616.45
8.3.230.0140.00616.48
8.3.220.0140.00418.73
8.3.210.0060.00916.62
8.3.200.0060.00316.52
8.3.190.0090.00916.68
8.3.180.0100.00916.33
8.3.170.0090.00620.39
8.3.160.0070.01017.38
8.3.150.0060.01217.24
8.3.140.0110.00617.33
8.3.130.0060.00318.21
8.3.120.0060.00918.68
8.3.110.0080.00020.94
8.3.100.0040.01524.06
8.3.90.0130.00626.77
8.3.80.0060.00317.97
8.3.70.0190.00318.18
8.3.60.0120.00618.31
8.3.50.0110.00416.72
8.3.40.0060.00923.48
8.3.30.0070.00720.21
8.3.20.0030.00524.18
8.3.10.0130.00621.60
8.3.00.0100.01020.63
8.2.290.0050.00316.50
8.2.280.0050.00418.57
8.2.270.0120.00617.32
8.2.260.0070.00720.84
8.2.250.0060.00318.49
8.2.240.0060.00316.55
8.2.230.0090.00022.58
8.2.220.0050.00337.54
8.2.210.0100.00326.77
8.2.200.0060.00318.16
8.2.190.0070.00716.63
8.2.180.0100.01318.16
8.2.170.0040.01118.79
8.2.160.0120.00322.96
8.2.150.0040.00425.66
8.2.140.0110.00720.39
8.2.130.0070.01120.55
8.2.120.0100.01018.82
8.2.110.0180.00019.15
8.2.100.0150.00618.97
8.2.90.0000.01518.66
8.2.80.0100.01018.99
8.2.70.0150.00618.82
8.2.60.0100.01018.37
8.2.50.0100.01018.64
8.2.40.0110.00418.55
8.2.30.0170.00318.54
8.2.20.0150.00418.58
8.2.10.0190.00018.70
8.2.00.0140.00418.65
8.1.330.0100.00916.09
8.1.320.0110.00818.05
8.1.310.0100.00716.54
8.1.300.0040.00419.66
8.1.290.0030.00630.84
8.1.280.0090.00625.92
8.1.270.0070.00722.01
8.1.260.0080.00022.00
8.1.250.0030.00522.05
8.1.240.0050.00318.44
8.1.230.0050.00318.61
8.1.220.0080.00018.91
8.1.210.0040.00418.38
8.1.200.0000.00818.85
8.1.190.0040.00418.69
8.1.180.0110.00718.30
8.1.170.0120.00618.43
8.1.160.0040.01418.36
8.1.150.0040.01118.23
8.1.140.0070.00718.48
8.1.130.0120.00418.74
8.1.120.0150.00018.48
8.1.110.0090.00018.58
8.1.100.0090.00018.49
8.1.90.0040.00418.50
8.1.80.0040.00418.56
8.1.70.0080.00018.38
8.1.60.0060.00318.68
8.1.50.0090.00018.55
8.1.40.0000.00918.67
8.1.30.0030.00618.74
8.1.20.0050.00318.62
8.1.10.0060.00318.47
8.1.00.0050.00318.34

preferences:
50.75 ms | 403 KiB | 5 Q