3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_GET['value'] = 1; echo $_GET['value']; unset($_GET['value']); echo $_GET['value'];

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)
8.3.60.0130.01018.80
8.3.50.0090.00620.23
8.3.40.0110.00420.35
8.3.30.0070.00718.89
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.180.0080.00825.92
8.2.170.0110.00419.09
8.2.160.0030.01322.96
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.01120.80
8.2.110.0030.00620.20
8.2.100.0070.00718.03
8.2.90.0040.00417.88
8.2.80.0000.00918.85
8.2.70.0040.00417.38
8.2.60.0030.00518.04
8.2.50.0090.00018.07
8.2.40.0000.00718.18
8.2.30.0040.00418.10
8.2.20.0000.00719.23
8.2.10.0040.00418.11
8.2.00.0070.00019.34
8.1.280.0100.01025.92
8.1.270.0070.00024.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00419.06
8.1.230.0040.00817.70
8.1.220.0060.00317.78
8.1.210.0000.00918.77
8.1.200.0040.00417.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0070.00018.88
8.1.150.0000.00718.55
8.1.140.0070.00017.38
8.1.130.0030.00318.91
8.1.120.0030.00317.42
8.1.110.0040.00417.45
8.1.100.0130.00417.38
8.1.90.0150.00017.33
8.1.80.0060.01017.33
8.1.70.0100.00517.32
8.1.60.0090.00917.46
8.1.50.0110.00517.48
8.1.40.0170.00017.48
8.1.30.0120.00617.61
8.1.20.0170.00017.41
8.1.10.0120.00517.39
8.1.00.0120.00717.53
8.0.300.0080.00018.77
8.0.290.0070.00316.75
8.0.280.0030.00318.25
8.0.270.0040.00416.80
8.0.260.0080.00018.37
8.0.250.0000.00716.83
8.0.240.0000.00716.86
8.0.230.0130.00516.79
8.0.220.0130.00316.83
8.0.210.0140.00016.70
8.0.200.0130.00316.80
8.0.190.0120.00416.90
8.0.180.0110.00416.89
8.0.170.0070.00716.87
8.0.160.0070.00716.70
8.0.150.0150.00016.81
8.0.140.0130.00316.68
8.0.130.0070.00716.76
8.0.120.0080.00816.73
8.0.110.0140.00016.69
8.0.100.0100.00516.89
8.0.90.0130.00216.68
8.0.80.0070.00716.79
8.0.70.0120.00016.76
8.0.60.0130.00016.63
8.0.50.0110.00416.73
8.0.30.0050.01016.77
8.0.20.0090.00616.89
8.0.10.0090.00516.99
7.4.330.0040.00015.55
7.4.320.0030.00316.41
7.4.300.0080.00816.47
7.4.290.0080.00816.59
7.4.280.0130.00316.46
7.4.270.0060.00616.36
7.4.260.0090.00216.50
7.4.250.0050.00516.22
7.4.240.0100.00216.49
7.4.230.0050.00516.25
7.4.220.0130.00016.54
7.4.210.0050.00516.51
7.4.200.0040.00416.54
7.4.190.0080.00016.07
7.4.180.0000.00916.11
7.4.160.0040.00416.30
7.4.150.0040.00416.31
7.4.140.0030.00616.02
7.4.130.0060.00415.89
7.4.120.0070.00215.99
7.4.110.0030.00616.15
7.4.100.0050.00516.05
7.4.90.0070.00316.24
7.4.80.0080.00016.09
7.4.70.0090.00016.14
7.4.60.0090.00016.27
7.4.50.0050.00315.89
7.4.40.0090.00016.36
7.4.30.0050.00716.36
7.4.20.0050.00516.25
7.4.10.0030.00616.43
7.4.00.0030.00515.94

preferences:
58.39 ms | 401 KiB | 5 Q