3v4l.org

run code in 300+ PHP versions simultaneously
<?php class XYZ {} var_dump(class_exists('xyz'), xyz::class, XyZ::class, get_class(xyz));

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)
8.3.60.0000.02018.30
8.3.50.0100.00318.01
8.3.40.0030.01419.21
8.3.30.0080.00818.89
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0040.00426.16
8.2.180.0110.00425.92
8.2.170.0110.00422.96
8.2.160.0100.00322.96
8.2.150.0080.00825.66
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0080.00019.64
8.2.110.0090.00022.08
8.2.100.0000.01117.78
8.2.90.0050.00317.75
8.2.80.0000.00818.87
8.2.70.0030.00517.50
8.2.60.0050.00318.04
8.2.50.0040.00418.05
8.2.40.0030.00618.22
8.2.30.0040.00418.11
8.2.20.0000.00717.92
8.2.10.0000.00819.29
8.2.00.0000.00819.14
8.1.280.0140.00725.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.98
8.1.230.0090.00317.57
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0080.00017.36
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0020.00517.62
8.1.160.0000.00818.92
8.1.150.0050.00318.87
8.1.140.0000.00818.82
8.1.130.0070.00017.41
8.1.120.0050.00317.36
8.1.110.0040.00417.39
8.1.100.0080.00017.41
8.1.90.0050.00317.39
8.1.80.0000.00717.33
8.1.70.0040.00417.38
8.1.60.0050.00517.46
8.1.50.0040.00417.50
8.1.40.0000.00817.43
8.1.30.0050.00217.51
8.1.20.0000.00817.51
8.1.10.0040.00417.54
8.1.00.0030.00517.45
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0070.00018.36
8.0.270.0030.00318.07
8.0.260.0030.00316.87
8.0.250.0030.00317.00
8.0.240.0030.00516.97
8.0.230.0000.00717.02
8.0.220.0030.00316.88
8.0.210.0030.00316.90
8.0.200.0030.00316.97
8.0.190.0000.00817.02
8.0.180.0040.00416.95
8.0.170.0120.00316.98
8.0.160.0020.00516.90
8.0.150.0040.00416.84
8.0.140.0070.00016.79
8.0.130.0000.00713.34
8.0.120.0030.00516.93
8.0.110.0030.00417.01
8.0.100.0030.00316.81
8.0.90.0090.00016.94
8.0.80.0070.00716.90
8.0.70.0080.00016.99
8.0.60.0050.00316.77
8.0.50.0040.00417.05
8.0.30.0090.00916.84
8.0.20.0030.01916.89
8.0.10.0040.00417.05
8.0.00.0170.00716.91
7.4.330.0050.00015.55
7.4.320.0000.00616.48
7.4.300.0030.00316.49
7.4.290.0000.00716.52
7.4.280.0040.00416.42
7.4.270.0030.00316.57
7.4.260.0000.00513.23
7.4.250.0040.00416.35
7.4.240.0020.00516.45
7.4.230.0070.00016.36
7.4.220.0040.00416.57
7.4.210.0010.01316.50
7.4.200.0030.00316.46
7.4.130.0110.00816.50
7.4.120.0030.01816.55
7.4.110.0200.00316.43
7.4.100.0030.01216.28
7.4.90.0110.00716.40
7.4.80.0000.01819.39
7.4.70.0100.00616.45
7.4.60.0030.01416.43
7.4.50.0100.00716.23
7.4.40.0160.00616.48
7.4.30.0030.01316.32
7.4.20.0170.00016.64
7.4.10.0160.00016.46
7.4.00.0140.00316.45
7.3.330.0020.00516.10
7.3.320.0030.00313.23
7.3.310.0040.00416.00
7.3.300.0030.00316.15
7.3.290.0060.01216.20
7.3.280.0040.01116.11
7.3.260.0070.01016.30
7.3.240.0100.00716.41
7.3.230.0040.01316.50
7.3.210.0110.00616.41
7.3.200.0090.00916.54
7.3.190.0130.00316.23
7.3.180.0070.01016.38
7.3.170.0060.00916.38
7.3.160.0030.01416.22
7.3.150.0040.01216.21
7.3.140.0100.00616.27
7.3.130.0120.00616.43
7.3.120.0100.00516.32
7.3.110.0120.00316.43
7.3.100.0120.00316.06
7.3.90.0090.00616.19
7.3.80.0030.01316.18
7.3.70.0140.00316.24
7.3.60.0080.00916.19
7.3.50.0110.00516.09
7.3.40.0080.00816.15
7.3.30.0030.01316.22
7.3.20.0100.00716.26
7.3.10.0160.00016.17
7.3.00.0060.00916.28
7.2.330.0070.01016.41
7.2.310.0120.00416.57
7.2.300.0090.00716.55
7.2.290.0130.00316.39
7.2.280.0080.00916.58
7.2.270.0050.01116.58
7.2.260.0100.00616.52
7.2.250.0120.00316.47
7.2.240.0090.00616.54
7.2.230.0040.01216.28
7.2.220.0100.00716.57
7.2.210.0000.01616.31
7.2.200.0090.00616.38
7.2.190.0160.00016.27
7.2.180.0110.00716.54
7.2.170.0040.01216.34
7.2.160.0110.00616.46
7.2.150.0060.01216.40
7.2.140.0090.00916.48
7.2.130.0100.00716.70
7.2.120.0180.00016.59
7.2.110.0090.00916.55
7.2.100.0060.01216.53
7.2.90.0080.00916.35
7.2.80.0060.01116.51
7.2.70.0100.00716.69
7.2.60.0030.01416.38
7.2.50.0170.00316.55
7.2.40.0140.00316.42
7.2.30.0080.00816.49
7.2.20.0170.00716.50
7.2.10.0120.00416.34
7.2.00.0140.00316.51

preferences:
77.63 ms | 401 KiB | 5 Q