3v4l.org

run code in 300+ PHP versions simultaneously
<?php function testReturn(): ?string { return null; } var_dump(testReturn()); ?>

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)
8.3.60.0080.00818.40
8.3.50.0040.01117.81
8.3.40.0060.00918.74
8.3.30.0000.01518.51
8.3.20.0080.00018.90
8.3.10.0000.00721.61
8.3.00.0080.00018.89
8.2.180.0110.01118.18
8.2.170.0090.00622.96
8.2.160.0160.00320.55
8.2.150.0040.00425.66
8.2.140.0050.00224.66
8.2.130.0040.00422.11
8.2.120.0070.00026.35
8.2.110.0060.00321.04
8.2.100.0060.00617.78
8.2.90.0070.00020.55
8.2.80.0040.00418.94
8.2.70.0080.00017.80
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0080.00020.59
8.2.30.0100.00019.15
8.2.20.0040.00417.79
8.2.10.0000.00717.82
8.2.00.0030.00517.41
8.1.280.0030.01225.92
8.1.270.0040.00422.14
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0070.00322.18
8.1.230.0070.00420.96
8.1.220.0040.00417.74
8.1.210.0000.00718.83
8.1.200.0030.00617.23
8.1.190.0090.00017.10
8.1.180.0060.00318.10
8.1.170.0070.00020.74
8.1.160.0070.00018.76
8.1.150.0040.00420.25
8.1.140.0070.00019.36
8.1.130.0040.00417.67
8.1.120.0030.00317.29
8.1.110.0080.00017.31
8.1.100.0070.00017.29
8.1.90.0080.00017.33
8.1.80.0050.00317.18
8.1.70.0030.00717.21
8.1.60.0060.00317.51
8.1.50.0050.00317.45
8.1.40.0000.00717.39
8.1.30.0000.00817.52
8.1.20.0040.00417.55
8.1.10.0040.00417.25
8.1.00.0000.00817.25
8.0.300.0070.00019.80
8.0.290.0030.00516.60
8.0.280.0000.00818.32
8.0.270.0040.00416.99
8.0.260.0060.00317.12
8.0.250.0000.00716.82
8.0.240.0000.00716.81
8.0.230.0050.00316.78
8.0.220.0000.00716.73
8.0.210.0050.00316.68
8.0.200.0030.00516.67
8.0.190.0000.00716.79
8.0.180.0020.00516.73
8.0.170.0030.00516.68
8.0.160.0040.00416.61
8.0.150.0000.00716.57
8.0.140.0000.00716.72
8.0.130.0080.00013.18
8.0.120.0050.00316.61
8.0.110.0020.00516.69
8.0.100.0030.00516.55
8.0.90.0040.00416.57
8.0.80.0120.00616.80
8.0.70.0040.00416.64
8.0.60.0000.00716.74
8.0.50.0000.00716.81
8.0.30.0090.00917.08
8.0.20.0100.01217.40
8.0.10.0000.00816.74
8.0.00.0070.01416.48
7.4.330.0030.00315.55
7.4.320.0040.00416.45
7.4.300.0030.00316.52
7.4.290.0000.00716.44
7.4.280.0060.00316.32
7.4.270.0000.00616.43
7.4.260.0030.00316.28
7.4.250.0030.00316.37
7.4.240.0000.00816.57
7.4.230.0000.00716.50
7.4.220.0130.00916.64
7.4.210.0050.00916.50
7.4.200.0040.00416.32
7.4.160.0100.00716.34
7.4.150.0030.01417.40
7.4.140.0110.00817.86
7.4.130.0110.00916.34
7.4.120.0100.00716.38
7.4.110.0100.00716.59
7.4.100.0120.00916.41
7.4.90.0070.01016.50
7.4.80.0030.01519.39
7.4.70.0040.01316.48
7.4.60.0090.00916.53
7.4.50.0100.00316.25
7.4.40.0120.00816.17
7.4.30.0110.00616.36
7.4.00.0070.00014.78
7.3.330.0000.00613.25
7.3.320.0020.00313.22
7.3.310.0030.00316.19
7.3.300.0000.00716.10
7.3.290.0050.00816.22
7.3.280.0130.00616.23
7.3.270.0170.00017.40
7.3.260.0060.01216.32
7.3.250.0090.00916.33
7.3.240.0110.01116.31
7.3.230.0160.00016.39
7.3.210.0080.00816.11
7.3.200.0130.00716.41
7.3.190.0040.01516.32
7.3.180.0040.01116.46
7.3.170.0070.01116.38
7.3.160.0100.00616.45
7.2.330.0110.00716.66
7.2.320.0090.00916.67
7.2.310.0030.01416.14
7.2.300.0090.00916.64
7.2.290.0090.00916.43
7.2.60.0110.01516.55
7.2.50.0030.00716.86
7.2.00.0030.00919.20
7.1.200.0070.00415.64
7.1.70.0030.00617.09
7.1.60.0030.02417.26
7.1.50.0100.00616.57
7.1.40.0040.00716.54
7.1.30.0110.00016.47
7.1.20.0080.00316.48
7.1.10.0030.01216.67
7.1.00.0000.01016.75
7.0.200.0110.00016.53
7.0.190.0080.00316.76
7.0.180.0030.00516.09
7.0.170.0040.00416.23
7.0.160.0000.01016.02
7.0.150.0060.00616.34
7.0.140.0000.00816.17
7.0.130.0000.00716.32
7.0.120.0020.00516.43
7.0.110.0030.00516.15
7.0.100.0000.00816.32
7.0.90.0060.00316.11
7.0.80.0070.00316.33
7.0.70.0000.00816.32
7.0.60.0060.00315.99
7.0.50.0030.00516.52
7.0.40.0000.00715.53
7.0.30.0090.00015.53
7.0.20.0020.00515.53
7.0.10.0060.00315.53
7.0.00.0080.00315.53
5.6.300.0030.04320.81
5.6.290.0100.03420.62
5.6.280.0000.04620.88
5.6.270.0030.04520.85
5.6.260.0100.03321.04
5.6.250.0000.04821.00
5.6.240.0060.04221.06
5.6.230.0070.04620.83
5.6.220.0130.03320.95
5.6.210.0030.04621.08
5.6.200.0030.04020.99
5.6.190.0030.04020.83
5.6.180.0000.04920.86
5.6.170.0070.04621.02
5.6.160.0030.04320.85
5.6.150.0000.04720.93
5.6.140.0100.03820.82
5.6.130.0030.04020.80
5.6.120.0070.04320.83
5.6.110.0160.03621.02
5.6.100.0200.05320.81
5.6.90.0060.04221.00
5.6.80.0030.07120.15
5.6.70.0070.06620.39
5.6.60.0070.04820.20
5.6.50.0030.03920.23
5.6.40.0030.04020.13
5.6.30.0030.04020.31
5.6.20.0030.04020.13
5.6.10.0060.03720.29
5.6.00.0000.04220.16

preferences:
57.04 ms | 400 KiB | 5 Q