3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements Countable { public function count() { return 99; } } $foo = new Foo(); echo count($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)
8.3.60.0090.00616.50
8.3.50.0140.00316.43
8.3.40.0130.00618.74
8.3.30.0080.00618.57
8.3.20.0060.00320.29
8.3.10.0120.00321.73
8.3.00.0040.00420.22
8.2.180.0070.00716.47
8.2.170.0110.00422.96
8.2.160.0140.00320.27
8.2.150.0140.00424.18
8.2.140.0090.00624.66
8.2.130.0040.00421.04
8.2.120.0110.00326.35
8.2.110.0040.00420.47
8.2.100.0080.00318.22
8.2.90.0050.00319.23
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0080.00018.03
8.2.50.0060.00318.10
8.2.40.0000.00720.37
8.2.30.0040.00420.95
8.2.20.0040.00418.09
8.2.10.0000.00717.98
8.2.00.0040.00418.02
8.1.280.0070.00725.92
8.1.270.0060.00322.19
8.1.260.0160.00326.35
8.1.250.0070.00728.09
8.1.240.0040.00417.89
8.1.230.0110.00020.52
8.1.220.0000.00717.74
8.1.210.0090.00018.77
8.1.200.0060.00317.35
8.1.190.0000.00817.35
8.1.180.0000.00718.10
8.1.170.0060.00318.43
8.1.160.0000.00719.00
8.1.150.0070.00020.78
8.1.140.0000.00819.47
8.1.130.0000.00718.91
8.1.120.0060.00317.44
8.1.110.0060.00317.41
8.1.100.0000.00817.46
8.1.90.0050.00317.48
8.1.80.0030.00317.45
8.1.70.0050.00217.41
8.1.60.0040.00417.54
8.1.50.0090.00017.57
8.1.40.0030.00617.53
8.1.30.0000.00717.63
8.1.20.0000.00717.53
8.1.10.0040.00417.56
8.1.00.0000.00817.46
8.0.300.0000.00718.77
8.0.290.0050.00316.63
8.0.280.0070.00018.45
8.0.270.0000.00717.30
8.0.260.0000.00716.72
8.0.250.0030.00316.85
8.0.240.0060.00316.95
8.0.230.0000.00716.84
8.0.220.0060.00016.90
8.0.210.0000.00716.86
8.0.200.0000.00616.92
8.0.190.0090.00016.95
8.0.180.0050.00316.87
8.0.170.0040.00416.91
8.0.160.0000.00816.84
8.0.150.0070.00016.85
8.0.140.0030.00316.77
8.0.130.0050.00013.34
8.0.120.0050.00216.83
8.0.110.0000.00716.85
8.0.100.0000.00716.92
8.0.90.0050.00217.00
8.0.80.0170.00016.80
8.0.70.0040.00416.87
8.0.60.0070.00016.75
8.0.50.0040.00416.75
8.0.30.0110.00717.19
8.0.20.0100.00917.40
8.0.10.0000.00717.07
8.0.00.0070.01016.78
7.4.330.0000.00515.55
7.4.320.0000.00616.54
7.4.300.0000.00616.43
7.4.290.0030.00516.59
7.4.280.0000.00816.47
7.4.270.0040.00416.43
7.4.260.0000.00816.43
7.4.250.0030.00616.38
7.4.240.0030.00516.58
7.4.230.0050.00216.38
7.4.220.0150.00616.66
7.4.210.0060.01016.55
7.4.200.0030.00316.70
7.4.160.0110.00616.53
7.4.150.0070.01117.40
7.4.140.0110.00917.86
7.4.130.0170.00716.36
7.4.120.0110.00916.48
7.4.110.0120.00616.48
7.4.100.0030.01316.54
7.4.90.0130.00316.52
7.4.80.0040.01519.39
7.4.70.0140.00316.49
7.4.60.0100.00616.39
7.4.50.0080.00416.39
7.4.40.0120.00316.62
7.4.30.0100.00616.50
7.4.00.0030.01414.90
7.3.330.0000.00513.18
7.3.320.0000.00513.20
7.3.310.0000.00716.24
7.3.300.0030.00316.29
7.3.290.0030.00316.07
7.3.280.0080.00816.23
7.3.270.0090.00917.40
7.3.260.0110.00516.20
7.3.250.0060.01116.31
7.3.240.0100.01116.35
7.3.230.0070.01016.29
7.3.210.0060.01016.55
7.3.200.0100.00716.35
7.3.190.0120.00616.40
7.3.180.0090.01416.38
7.3.170.0070.01016.32
7.3.160.0070.01016.25
7.2.330.0070.01016.70
7.2.320.0100.01016.56
7.2.310.0070.01116.68
7.2.300.0130.00316.63
7.2.290.0160.00616.73
7.2.60.0830.00815.12
7.2.00.0040.00819.46
7.1.200.0070.00415.78
7.1.100.0060.00617.88
7.1.70.0100.00617.25
7.1.60.0130.01634.89
7.1.50.0170.02034.75
7.1.40.0300.00334.07
7.1.30.0280.00334.27
7.1.20.0270.01234.47
7.1.10.0000.01516.57
7.1.00.0100.00716.36
7.0.200.0090.00616.73
7.0.190.0060.00916.78
7.0.180.0090.00816.07
7.0.170.0030.01416.18
7.0.160.0000.01916.21
7.0.150.0090.00616.21
7.0.140.0160.00016.39
7.0.130.0130.00316.35
7.0.120.0100.00616.17
7.0.110.0060.01216.10
7.0.100.0030.01016.11
7.0.90.0050.00916.14
7.0.80.0030.01416.16
7.0.70.0060.01016.41
7.0.60.0030.01316.14
7.0.50.0130.00616.21
7.0.40.0060.01316.45
7.0.30.0000.01816.54
7.0.20.0060.01216.42
7.0.10.0100.01016.11
7.0.00.0090.00916.26

preferences:
47.51 ms | 400 KiB | 5 Q