3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function x(string $x) { } x(null);

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)
8.3.60.0130.00716.50
8.3.50.0100.00716.59
8.3.40.0030.01718.83
8.3.30.0150.00618.60
8.3.20.0050.00220.29
8.3.10.0080.00021.89
8.3.00.0040.00420.04
8.2.180.0060.01218.41
8.2.170.0080.00822.96
8.2.160.0070.00720.35
8.2.150.0090.00924.18
8.2.140.0000.00924.66
8.2.130.0040.00421.09
8.2.120.0040.01126.35
8.2.110.0080.00020.75
8.2.100.0110.00417.91
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0040.00417.47
8.2.60.0040.00417.80
8.2.50.0040.00418.10
8.2.40.0040.00420.55
8.2.30.0030.00520.92
8.2.20.0050.00317.97
8.2.10.0000.00817.86
8.2.00.0040.00417.99
8.1.280.0060.01525.92
8.1.270.0040.00422.25
8.1.260.0060.00926.35
8.1.250.0070.00028.09
8.1.240.0100.00723.97
8.1.230.0070.00319.01
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0030.00617.23
8.1.190.0040.00417.13
8.1.180.0070.00018.10
8.1.170.0080.00018.92
8.1.160.0000.00718.84
8.1.150.0040.00418.79
8.1.140.0000.00919.44
8.1.130.0030.00318.80
8.1.120.0070.00017.33
8.1.110.0060.00317.23
8.1.100.0040.00417.21
8.1.90.0080.00017.26
8.1.80.0070.00317.33
8.1.70.0000.00717.33
8.1.60.0080.00017.46
8.1.50.0030.00517.42
8.1.40.0030.00517.30
8.1.30.0000.00817.46
8.1.20.0030.00617.41
8.1.10.0050.00317.48
8.1.00.0050.00317.44
8.0.300.0000.00718.80
8.0.290.0080.00016.63
8.0.280.0030.00318.37
8.0.270.0030.00317.11
8.0.260.0030.00316.70
8.0.250.0040.00416.86
8.0.240.0080.00016.93
8.0.230.0030.00316.85
8.0.220.0070.00016.92
8.0.210.0000.00716.77
8.0.200.0030.00316.83
8.0.190.0030.00516.95
8.0.180.0040.00416.89
8.0.170.0070.00016.74
8.0.160.0000.00716.84
8.0.150.0030.00316.89
8.0.140.0040.00316.84
8.0.130.0000.00613.37
8.0.120.0040.00316.75
8.0.110.0000.00716.82
8.0.100.0040.00416.82
8.0.90.0080.00016.73
8.0.80.0080.00816.93
8.0.70.0040.00416.90
8.0.60.0040.00416.84
8.0.50.0000.00716.95
8.0.30.0100.00717.10
8.0.20.0080.01417.40
8.0.10.0040.00416.82
8.0.00.0100.01017.01
7.4.330.0000.00715.55
7.4.320.0060.00016.43
7.4.300.0060.00016.43
7.4.290.0000.00616.57
7.4.280.0050.00316.39
7.4.270.0030.00316.39
7.4.260.0000.00816.52
7.4.250.0040.00416.46
7.4.240.0000.00716.39
7.4.230.0000.00716.54
7.4.220.0060.01216.38
7.4.210.0120.00316.59
7.4.200.0040.00416.33
7.4.160.0060.01016.42
7.4.150.0030.01317.40
7.4.140.0120.00617.86
7.4.130.0130.01016.34
7.4.120.0100.00916.48
7.4.110.0040.01216.23
7.4.100.0070.01016.46
7.4.90.0110.00916.58
7.4.80.0130.00319.39
7.4.70.0060.01016.51
7.4.60.0060.00916.50
7.4.50.0080.00316.55
7.4.40.0140.00316.50
7.4.30.0130.00316.17
7.4.00.0080.00815.24
7.3.330.0000.00613.30
7.3.320.0000.00513.32
7.3.310.0070.00016.30
7.3.300.0060.00016.16
7.3.290.0040.00916.31
7.3.280.0060.00916.31
7.3.270.0110.01117.40
7.3.260.0140.00516.40
7.3.250.0140.00816.34
7.3.240.0110.00716.51
7.3.230.0120.01216.57
7.3.210.0140.00316.47
7.3.200.0130.00316.61
7.3.190.0070.01516.59
7.3.180.0030.01216.14
7.3.170.0090.01216.49
7.3.160.0100.00716.38
7.2.330.0090.00916.58
7.2.320.0070.01116.48
7.2.310.0090.00916.24
7.2.300.0100.01016.57
7.2.290.0090.01016.37
7.2.60.0000.01116.79
7.2.00.0100.00719.27
7.1.200.0000.01115.55
7.1.100.0070.00318.01
7.1.70.0070.01417.21
7.1.60.0320.02135.05
7.1.50.0700.01333.07
7.1.40.0240.02034.53
7.1.30.0280.01434.26
7.1.20.0320.01334.23
7.1.10.0120.00816.49
7.1.00.0060.01216.30
7.0.200.0670.00714.86
7.0.190.0520.01216.51
7.0.180.0030.01616.05
7.0.170.0150.00616.10
7.0.160.0080.00816.24
7.0.150.0000.01816.18
7.0.140.0090.01016.16
7.0.130.0060.01316.47
7.0.120.0110.00916.57
7.0.110.0110.01416.38
7.0.100.0080.01116.42
7.0.90.0070.01416.11
7.0.80.0130.00616.30
7.0.70.0070.01316.33
7.0.60.0110.00915.91
7.0.50.0070.01116.40
7.0.40.0140.00616.43
7.0.30.0040.01716.22
7.0.20.0120.00916.04
7.0.10.0110.00816.21
7.0.00.0000.02016.20

preferences:
38.62 ms | 401 KiB | 5 Q