3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(class_implements(DateTime::class)); var_dump(class_implements(Generator::class)); var_dump(class_implements(stdClass::class)); var_dump(class_implements(invalidClass::class)); var_dump(class_implements(DateTime::class, false)); // different, but risky to assume via static analysis?

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)
8.4.120.0130.00722.39
8.4.110.0140.00618.94
8.4.100.0150.00617.82
8.4.90.0110.00920.53
8.4.80.0100.00424.21
8.4.70.0040.00419.00
8.4.60.0070.00620.30
8.4.50.0090.00818.49
8.4.40.0150.00417.91
8.4.30.0080.00020.66
8.4.20.0130.00619.67
8.4.10.0040.00421.75
8.3.250.0100.00817.21
8.3.240.0130.00516.77
8.3.230.0120.00716.76
8.3.220.0090.00718.81
8.3.210.0030.00518.37
8.3.200.0030.00516.54
8.3.190.0070.00218.84
8.3.180.0110.00818.77
8.3.170.0100.01016.97
8.3.160.0150.00316.69
8.3.150.0030.00517.13
8.3.140.0070.00716.54
8.3.130.0050.00316.84
8.3.120.0080.00020.87
8.3.110.0090.00616.41
8.3.100.0030.00616.72
8.3.90.0000.00826.77
8.3.80.0060.00316.75
8.3.70.0090.00916.63
8.3.60.0110.00416.50
8.3.50.0140.00018.53
8.3.40.0090.00620.49
8.3.30.0070.00718.57
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0110.00817.22
8.2.280.0100.01018.29
8.2.270.0210.00016.39
8.2.260.0000.00817.28
8.2.250.0030.00716.47
8.2.240.0060.00318.12
8.2.230.0080.00020.94
8.2.220.0080.00024.06
8.2.210.0080.00026.77
8.2.200.0000.00916.50
8.2.190.0070.00716.75
8.2.180.0080.00825.92
8.2.170.0120.00318.64
8.2.160.0090.00622.96
8.2.150.0000.00725.66
8.2.140.0110.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00026.16
8.2.110.0070.00322.25
8.2.100.0030.00717.91
8.2.90.0030.00619.09
8.2.80.0090.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00817.91
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0000.00817.82
8.2.20.0000.00719.06
8.2.10.0000.00817.97
8.2.00.0040.00419.00
8.1.330.0150.00517.93
8.1.320.0150.00516.10
8.1.310.0090.00616.67
8.1.300.0030.00617.87
8.1.290.0090.00030.84
8.1.280.0190.00325.92
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00623.95
8.1.230.0050.00522.18
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0060.00617.22
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0000.00818.57
8.1.160.0080.00018.71
8.1.150.0050.00218.52
8.1.140.0000.00817.25
8.1.130.0090.00018.92
8.1.120.0000.00717.28
8.1.110.0020.00517.32
8.1.100.0070.00717.29
8.1.90.0030.00717.35
8.1.80.0000.01017.30
8.1.70.0120.00617.27
8.1.60.0110.00717.42
8.1.50.0090.00317.29
8.1.40.0100.00317.39
8.1.30.0180.00017.49
8.1.20.0130.00717.49
8.1.10.0140.00417.30
8.1.00.0110.00717.34
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00820.18
8.0.270.0050.00317.97
8.0.260.0030.00318.32
8.0.250.0000.00716.88
8.0.240.0000.00716.79
8.0.230.0060.00916.75
8.0.220.0130.00316.86
8.0.210.0080.00816.67
8.0.200.0080.00816.77
8.0.190.0110.00516.85
8.0.180.0130.00416.81
8.0.170.0050.01016.70
8.0.160.0060.00816.82
8.0.150.0050.01016.65
8.0.140.0150.00016.74
8.0.130.0050.00916.79
8.0.120.0140.00216.78
8.0.110.0100.00516.78
8.0.100.0120.00416.88
8.0.90.0050.01016.80
8.0.80.0150.00016.87
8.0.70.0110.00516.77
8.0.60.0120.00316.68
8.0.50.0150.00016.65
8.0.30.0110.00416.86
8.0.20.0070.00716.81
8.0.10.0100.00716.93
7.4.330.0050.00015.55
7.4.320.0000.00616.48
7.4.300.0100.00816.46
7.4.290.0150.00316.33
7.4.280.0090.00616.48
7.4.270.0190.00016.42
7.4.260.0140.00316.47
7.4.250.0100.00516.31
7.4.240.0080.00516.25
7.4.230.0110.00716.35
7.4.220.0120.00416.23
7.4.210.0060.00916.36
7.4.200.0120.00316.45
7.4.190.0160.00016.41
7.4.180.0100.00516.49
7.4.160.0120.00316.42
7.4.150.0160.00016.23
7.4.140.0120.00316.35
7.4.130.0110.00416.27
7.4.120.0150.00016.19
7.4.110.0100.00516.13
7.4.100.0110.00416.32
7.4.90.0000.01416.31
7.4.80.0130.00316.36
7.4.70.0040.00416.32
7.4.60.0040.00416.34
7.4.50.0020.00516.16
7.4.40.0000.00716.21
7.4.30.0030.00316.17
7.4.20.0050.00216.27
7.4.10.0030.00316.26
7.4.00.0000.00716.30

preferences:
96.9 ms | 403 KiB | 5 Q