3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo (?string $test) { var_dump($test); } 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)
8.3.60.0200.00318.31
8.3.50.0040.01118.21
8.3.40.0110.00418.97
8.3.30.0040.01118.63
8.3.20.0040.00419.20
8.3.10.0030.00623.69
8.3.00.0080.00020.58
8.2.180.0040.01118.43
8.2.170.0110.00422.96
8.2.160.0090.00622.19
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0050.00517.72
8.2.120.0040.00426.35
8.2.110.0060.00322.19
8.2.100.0110.00417.91
8.2.90.0050.00320.37
8.2.80.0030.00518.77
8.2.70.0080.00017.50
8.2.60.0060.00318.04
8.2.50.0060.00318.07
8.2.40.0040.00419.73
8.2.30.0040.00417.91
8.2.20.0040.00418.03
8.2.10.0000.00718.09
8.2.00.0070.00317.64
8.1.280.0090.00925.92
8.1.270.0090.00018.89
8.1.260.0140.00326.35
8.1.250.0050.00228.09
8.1.240.0070.00320.25
8.1.230.0080.00317.77
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00917.00
8.1.190.0060.00317.10
8.1.180.0030.00518.10
8.1.170.0040.00418.55
8.1.160.0080.00018.79
8.1.150.0040.00418.81
8.1.140.0040.00422.23
8.1.130.0040.00420.32
8.1.120.0030.00317.29
8.1.110.0000.00817.36
8.1.100.0040.00417.32
8.1.90.0000.01117.36
8.1.80.0040.00417.28
8.1.70.0050.00317.33
8.1.60.0040.00417.51
8.1.50.0030.00517.38
8.1.40.0040.00417.44
8.1.30.0020.00517.57
8.1.20.0030.00517.47
8.1.10.0050.00317.39
8.1.00.0040.00417.50
8.0.300.0030.00618.77
8.0.290.0070.00316.63
8.0.280.0030.00318.26
8.0.270.0070.00017.18
8.0.260.0000.00618.43
8.0.250.0000.00916.97
8.0.240.0070.00016.83
8.0.230.0030.00316.82
8.0.220.0000.00916.84
8.0.210.0000.00716.84
8.0.200.0050.00316.83
8.0.190.0000.00916.96
8.0.180.0000.00816.86
8.0.170.0040.00416.84
8.0.160.0000.00716.91
8.0.150.0100.00016.87
8.0.140.0030.00316.71
8.0.130.0000.00613.28
8.0.120.0000.00716.84
8.0.110.0070.00016.88
8.0.100.0000.00716.69
8.0.90.0040.00416.89
8.0.80.0080.00816.84
8.0.70.0030.00516.75
8.0.60.0000.00716.85
8.0.50.0040.00416.86
8.0.30.0110.00716.90
8.0.20.0110.00817.40
8.0.10.0040.00416.73
8.0.00.0080.01016.64
7.4.330.0000.00515.55
7.4.320.0030.00316.47
7.4.300.0030.00316.28
7.4.290.0030.00316.41
7.4.280.0040.00416.52
7.4.270.0030.00316.51
7.4.260.0030.00616.54
7.4.250.0080.00016.51
7.4.240.0000.00716.41
7.4.230.0040.00416.60
7.4.220.0040.00416.22
7.4.210.0080.00816.51
7.4.200.0030.00316.47
7.4.160.0070.00916.48
7.4.140.0120.00917.86
7.4.130.0060.01216.49
7.4.120.0100.00916.52
7.4.110.0100.01316.53
7.4.100.0060.00916.32
7.4.90.0030.01316.45
7.4.80.0160.00319.39
7.4.70.0000.01616.43
7.4.60.0100.00616.54
7.4.50.0030.00916.43
7.4.40.0160.00316.59
7.4.00.0130.00315.21
7.3.330.0050.00013.15
7.3.320.0030.00313.30
7.3.310.0060.00316.39
7.3.300.0030.00316.20
7.3.290.0000.00716.18
7.3.280.0100.01016.34
7.3.260.0080.01116.41
7.3.240.0100.01016.44
7.3.230.0130.00316.49
7.3.210.0160.00316.54
7.3.200.0090.01216.30
7.3.190.0140.00616.36
7.3.180.0070.01016.27
7.3.170.0100.00716.48
7.3.160.0030.01316.33
7.2.330.0070.01116.44
7.2.320.0090.00916.55
7.2.310.0070.01016.65
7.2.300.0090.00916.14
7.2.290.0070.01116.59
7.2.110.0190.00215.41
7.2.100.0210.00515.59
7.2.90.0200.00515.51
7.2.80.0170.00715.64
7.2.70.0110.01015.80
7.2.60.0110.01015.78
7.2.50.0110.01115.78
7.2.40.0190.01115.97
7.2.30.0140.00815.93
7.2.20.0170.00615.86
7.2.10.0200.00415.80
7.2.00.0130.01115.71
7.1.230.0210.00614.63
7.1.220.0110.01014.62
7.1.210.0180.00714.63
7.1.200.0160.00714.71
7.1.190.0190.00514.70
7.1.180.0170.00814.62
7.1.170.0220.00414.70
7.1.160.0200.00414.63
7.1.150.0250.00314.68
7.1.140.0140.00714.62
7.1.130.0130.00914.61
7.1.120.0180.01014.51
7.1.110.0150.00714.72
7.1.100.0580.00814.56
7.1.90.0210.00314.56
7.1.80.0200.00814.76
7.1.70.0180.00414.59
7.1.60.0210.00823.78
7.1.50.0220.00923.70
7.1.40.0340.00723.62
7.1.30.0250.00623.71
7.1.20.0260.00723.64
7.1.10.0190.00614.46
7.1.00.0150.00714.70
5.6.380.0100.00614.04

preferences:
61.36 ms | 401 KiB | 5 Q