3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; interface Bar { } class SomeClass implements Bar { } if (isset(class_implements(SomeClass::class)[Bar::class])) { echo 'Yupee!'; } else { echo 'Ugh :('; }

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)
8.3.60.0000.01518.18
8.3.50.0170.00016.30
8.3.40.0120.00318.84
8.3.30.0140.00018.67
8.3.20.0040.00421.73
8.3.10.0080.00023.48
8.3.00.0040.00423.71
8.2.180.0140.00718.21
8.2.170.0150.00022.96
8.2.160.0070.00720.51
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.98
8.2.120.0040.00426.35
8.2.110.0000.00920.84
8.2.100.0030.00717.72
8.2.90.0050.00317.91
8.2.80.0050.00519.80
8.2.70.0030.00717.50
8.2.60.0060.00317.63
8.2.50.0040.00418.10
8.2.40.0040.00420.45
8.2.30.0000.00720.54
8.2.20.0050.00318.07
8.2.10.0070.00018.03
8.2.00.0000.00718.10
8.1.280.0040.01125.92
8.1.270.0070.00023.86
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00722.11
8.1.230.0080.00422.74
8.1.220.0040.00417.74
8.1.210.0070.00019.04
8.1.200.0060.00317.35
8.1.190.0050.00317.11
8.1.180.0040.00418.10
8.1.170.0050.00318.71
8.1.160.0070.00018.86
8.1.150.0030.00320.25
8.1.140.0000.00717.63
8.1.130.0070.00018.93
8.1.120.0000.00717.43
8.1.110.0070.00017.29
8.1.100.0040.00417.43
8.1.90.0040.00417.38
8.1.80.0040.00417.27
8.1.70.0050.00317.45
8.1.60.0030.00717.39
8.1.50.0070.00317.52
8.1.40.0030.00617.50
8.1.30.0040.00417.59
8.1.20.0000.00817.52
8.1.10.0070.00017.47
8.1.00.0030.00617.29
8.0.300.0080.00019.95
8.0.290.0080.00016.63
8.0.280.0000.00718.39
8.0.270.0000.00717.10
8.0.260.0000.00716.74
8.0.250.0000.00616.78
8.0.240.0030.00516.77
8.0.230.0040.00316.81
8.0.220.0030.00316.82
8.0.210.0000.00716.71
8.0.200.0000.00716.89
8.0.190.0080.00016.84
8.0.180.0000.00716.72
8.0.170.0040.00416.81
8.0.160.0000.00716.86
8.0.150.0000.00716.76
8.0.140.0070.00016.80
8.0.130.0050.00013.20
8.0.120.0080.00016.85
8.0.110.0030.00516.80
8.0.100.0050.00216.80
8.0.90.0040.00416.71
8.0.80.0060.00916.85
8.0.70.0000.00816.61
8.0.60.0080.00016.67
8.0.50.0050.00216.68
8.0.30.0080.00917.02
8.0.20.0140.00417.40
8.0.10.0050.00316.91
8.0.00.0050.01216.82
7.4.330.0030.00315.55
7.4.320.0060.00016.51
7.4.300.0070.00016.52
7.4.290.0030.00316.47
7.4.280.0040.00416.41
7.4.270.0000.00816.55
7.4.260.0040.00416.46
7.4.250.0000.00716.38
7.4.240.0050.00316.53
7.4.230.0030.00316.43
7.4.220.0000.00716.31
7.4.210.0090.00916.38
7.4.200.0070.00016.32
7.4.160.0110.00516.42
7.4.140.0120.00717.86
7.4.130.0110.00716.34
7.4.120.0100.00916.44
7.4.110.0090.00616.43
7.4.100.0060.00916.45
7.4.90.0070.01416.47
7.4.80.0120.01319.39
7.4.70.0000.02016.28
7.4.60.0030.01316.44
7.4.50.0070.00716.57
7.4.40.0000.01616.51
7.4.00.0090.00714.91
7.3.330.0000.00613.06
7.3.320.0000.00613.04
7.3.310.0040.00416.05
7.3.300.0000.00616.09
7.3.290.0090.00816.23
7.3.280.0110.00416.21
7.3.260.0140.00516.34
7.3.250.0100.00716.38
7.3.240.0130.00516.43
7.3.230.0110.00616.19
7.3.210.0150.00616.27
7.3.200.0130.00316.19
7.3.190.0120.00316.33
7.3.180.0070.00716.41
7.3.170.0120.00616.35
7.3.160.0070.01016.20
7.3.120.0150.00014.64
7.3.110.0030.01414.50
7.3.100.0090.00914.80
7.3.90.0080.00814.64
7.3.80.0100.00614.63
7.3.70.0000.00914.84
7.3.60.0040.00414.57
7.3.50.0100.00314.63
7.3.40.0030.00714.80
7.3.30.0090.00614.50
7.3.20.0110.00416.59
7.3.10.0120.00316.54
7.3.00.0060.00316.56
7.2.330.0080.01116.22
7.2.320.0100.00716.66
7.2.310.0000.01716.57
7.2.300.0120.00616.53
7.2.290.0030.01316.55
7.2.250.0060.01314.97
7.2.240.0040.01414.98
7.2.230.0090.00614.80
7.2.220.0030.00714.55
7.2.210.0170.00015.10
7.2.200.0040.00715.00
7.2.190.0100.00014.84
7.2.180.0040.00814.63
7.2.170.0040.00714.89
7.2.60.0070.00416.95
7.2.30.0070.01217.51
7.2.20.0110.01017.54
7.2.10.0080.01517.74
7.2.00.0140.01717.92
7.1.330.0060.01215.71
7.1.320.0060.00915.82
7.1.310.0040.01415.63
7.1.300.0090.00015.87
7.1.290.0080.00415.61
7.1.280.0060.00815.62
7.1.270.0000.01415.63
7.1.260.0030.00915.86
7.1.200.0070.00415.73
7.1.150.0110.01416.56
7.1.140.0140.01216.36
7.1.130.0130.01016.53
7.1.120.0130.01416.39
7.1.110.0170.01016.00
7.1.100.0130.01116.00
7.1.90.0100.01316.02
7.1.80.0120.00715.91
7.1.70.2070.00815.11
7.1.60.0260.01433.08
7.1.50.0270.00832.66
7.1.40.0220.01432.36
7.1.30.0390.01532.55
7.1.20.0300.02032.63
7.1.10.0070.01114.69
7.1.00.0100.01414.60

preferences:
72.76 ms | 401 KiB | 5 Q