3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { $a = &$b; $b = &$c[0]; var_dump(get_defined_vars()); } 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)
8.4.120.0120.00620.34
8.4.110.0200.00322.54
8.4.100.0050.00417.72
8.4.90.0100.01018.61
8.4.80.0130.00817.84
8.4.70.0130.00717.90
8.4.60.0050.00318.66
8.4.50.0040.00417.73
8.4.40.0040.01119.39
8.4.30.0070.01520.37
8.4.20.0070.01319.05
8.4.10.0060.00319.26
8.3.250.0060.00318.90
8.3.240.0070.00116.71
8.3.230.0120.00816.54
8.3.220.0040.00417.16
8.3.210.0130.00716.41
8.3.200.0050.00416.64
8.3.190.0120.00616.98
8.3.180.0040.00516.73
8.3.170.0090.00918.90
8.3.160.0090.00916.54
8.3.150.0040.01519.02
8.3.140.0080.00018.52
8.3.130.0040.00418.61
8.3.120.0040.00419.09
8.3.110.0090.00016.53
8.3.100.0030.00516.60
8.3.90.0040.00426.77
8.3.80.0060.00316.70
8.3.70.0140.00416.58
8.3.60.0140.00718.33
8.3.50.0130.00416.58
8.3.40.0140.00318.67
8.3.30.0070.00718.71
8.3.20.0040.00420.71
8.3.10.0080.00019.20
8.3.00.0040.00421.73
8.2.290.0040.01020.25
8.2.280.0100.00918.62
8.2.270.0080.00017.14
8.2.260.0130.00319.25
8.2.250.0040.00422.36
8.2.240.0040.01118.07
8.2.230.0040.00420.94
8.2.220.0090.00024.06
8.2.210.0150.00326.77
8.2.200.0060.00316.38
8.2.190.0060.00916.63
8.2.180.0110.00425.92
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0050.00324.18
8.2.140.0070.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0060.00322.23
8.2.100.0080.00318.91
8.2.90.0050.00317.75
8.2.80.0000.00817.97
8.2.70.0000.00818.05
8.2.60.0000.00718.22
8.2.50.0070.00019.29
8.2.40.0040.00419.20
8.2.30.0070.00019.38
8.2.20.0000.00717.94
8.2.10.0030.00518.77
8.2.00.0040.00419.45
8.1.330.0120.00621.86
8.1.320.0140.00516.25
8.1.310.0060.00316.78
8.1.300.0040.00417.81
8.1.290.0090.00030.84
8.1.280.0100.00725.92
8.1.270.0070.00020.73
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.13
8.1.230.0090.00319.15
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0000.00718.93
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0000.00718.89
8.1.150.0040.00418.87
8.1.140.0070.00018.83
8.1.130.0000.00719.98
8.1.120.0000.00717.38
8.1.110.0040.00417.34
8.1.100.0030.00317.29
8.1.90.0050.00217.31
8.1.80.0090.00017.35
8.1.70.0000.00717.38
8.1.60.0040.00417.51
8.1.50.0000.00717.51
8.1.40.0000.00817.54
8.1.30.0060.00317.72
8.1.20.0040.00417.64
8.1.10.0040.00417.42
8.1.00.0000.00717.25
8.0.300.0000.00719.47
8.0.290.0040.00416.63
8.0.280.0070.00018.38
8.0.270.0070.00016.70
8.0.260.0000.00718.38
8.0.250.0040.00416.79
8.0.240.0060.00016.88
8.0.230.0040.00416.92
8.0.220.0070.00016.79
8.0.210.0000.00716.89
8.0.200.0000.00716.85
8.0.190.0070.00416.86
8.0.180.0000.00916.74
8.0.170.0030.00516.86
8.0.160.0040.00416.84
8.0.150.0050.00216.73
8.0.140.0030.00516.69
8.0.130.0000.00713.21
8.0.120.0080.00016.75
8.0.110.0000.00716.75
8.0.100.0040.00316.80
8.0.90.0040.00416.71
8.0.80.0070.01316.82
8.0.70.0000.00716.79
8.0.60.0000.00716.71
8.0.50.0070.00016.71
8.0.30.0070.01117.01
8.0.20.0100.00917.32
8.0.10.0000.00716.95
8.0.00.0090.01016.86
7.4.330.0000.00515.55
7.4.320.0060.00016.43
7.4.300.0000.00616.55
7.4.290.0000.00716.47
7.4.280.0040.00416.64
7.4.270.0040.00416.51
7.4.260.0030.00316.52
7.4.250.0050.00316.56
7.4.240.0060.00316.59
7.4.230.0000.00716.50
7.4.220.0040.00416.71
7.4.210.0060.01116.61
7.4.200.0040.00416.45
7.4.160.0110.00616.46
7.4.130.0070.01016.55
7.4.120.0120.00416.38
7.4.110.0110.00716.49
7.4.100.0070.01016.51
7.4.90.0080.00816.49
7.4.80.0090.00919.39
7.4.70.0090.00916.36
7.4.60.0060.01016.53
7.4.50.0040.01116.53
7.4.40.0030.01316.56
7.4.00.0060.00314.82
7.3.330.0050.00013.30
7.3.320.0060.00013.26
7.3.310.0070.00016.40
7.3.300.0000.00816.23
7.3.290.0030.00316.13
7.3.280.0090.00616.28
7.3.260.0120.00816.51
7.3.240.0100.00816.35
7.3.230.0060.01216.22
7.3.210.0110.00716.59
7.3.200.0130.00516.16
7.3.190.0100.00616.38
7.3.180.0120.00316.30
7.3.170.0150.00416.30
7.3.160.0060.01516.59
7.3.50.0020.01114.62
7.3.40.0060.00614.75
7.3.30.0120.00914.70
7.3.20.0090.00614.88
7.3.10.0110.00314.62
7.3.00.0340.00314.55
7.2.330.0090.00916.41
7.2.320.0060.01116.50
7.2.310.0080.00816.49
7.2.300.0090.01216.52
7.2.290.0110.00616.67
7.2.180.0120.00914.84
7.2.170.0030.00714.62
7.2.160.0100.00314.88
7.2.150.0130.00314.93
7.2.140.0220.00414.91
7.2.130.0090.00914.98
7.2.120.0070.00714.99
7.2.110.0970.00914.78
7.2.100.0050.00914.84
7.2.90.0120.00314.94
7.2.80.0090.00614.98
7.2.70.0090.00914.98
7.2.60.0140.00315.10
7.2.50.0130.00414.89
7.2.40.0060.00914.87
7.2.30.0230.00314.59
7.2.20.0060.00914.94
7.2.10.0080.01315.05
7.2.00.0150.01915.09
7.1.280.0230.00313.72
7.1.270.0050.01013.75
7.1.260.0120.00613.93
7.1.250.0170.00013.77

preferences:
28.15 ms | 403 KiB | 5 Q