3v4l.org

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

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)
8.3.60.0100.00716.38
8.3.50.0110.00718.13
8.3.40.0140.00718.77
8.3.30.0070.00718.40
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0070.01025.92
8.2.170.0100.00322.96
8.2.160.0100.00322.96
8.2.150.0000.00725.66
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0080.00020.76
8.2.110.0030.00721.96
8.2.100.0080.00317.78
8.2.90.0060.00320.42
8.2.80.0000.00818.70
8.2.70.0000.00917.38
8.2.60.0030.00517.50
8.2.50.0080.00018.05
8.2.40.0000.00718.03
8.2.30.0000.00717.88
8.2.20.0030.00517.86
8.2.10.0040.00419.18
8.2.00.0000.00719.17
8.1.280.0070.00725.92
8.1.270.0070.00023.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00923.59
8.1.230.0120.00317.70
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0060.00317.40
8.1.190.0040.00417.11
8.1.180.0060.00318.10
8.1.170.0000.00917.62
8.1.160.0070.00020.58
8.1.150.0000.00818.68
8.1.140.0040.00418.77
8.1.130.0030.00320.07
8.1.120.0040.00417.21
8.1.110.0040.00417.30
8.1.100.0040.00417.30
8.1.90.0050.00217.16
8.1.80.0050.00217.34
8.1.70.0000.00717.36
8.1.60.0090.00017.44
8.1.50.0050.00317.39
8.1.40.0000.00817.40
8.1.30.0060.00317.50
8.1.20.0000.00817.45
8.1.10.0000.00817.34
8.1.00.0040.00417.35
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0070.00018.20
8.0.270.0030.00317.89
8.0.260.0000.00620.11
8.0.250.0000.00816.80
8.0.240.0070.00016.89
8.0.230.0000.00816.82
8.0.220.0070.00016.76
8.0.210.0040.00416.73
8.0.200.0030.00316.83
8.0.190.0050.00316.85
8.0.180.0000.00716.80
8.0.170.0030.00516.66
8.0.160.0040.00416.73
8.0.150.0000.00816.73
8.0.140.0000.00716.73
8.0.130.0000.00513.27
8.0.120.0070.00016.71
8.0.110.0030.00316.88
8.0.100.0040.00416.59
8.0.90.0030.00616.66
8.0.80.0070.00716.75
8.0.70.0080.00016.59
8.0.60.0050.00516.67
8.0.50.0030.00516.79
8.0.30.0170.00716.92
8.0.20.0080.01217.25
8.0.10.0000.00716.93
8.0.00.0070.01316.59
7.4.330.0030.00315.55
7.4.320.0030.00316.42
7.4.300.0000.00716.28
7.4.290.0000.00716.41
7.4.280.0030.00616.47
7.4.270.0040.00416.40
7.4.260.0020.00213.25
7.4.250.0030.00316.30
7.4.240.0040.00416.35
7.4.230.0000.00716.49
7.4.220.0030.00316.47
7.4.210.0080.00616.42
7.4.200.0040.00416.32
7.4.130.0130.00316.29
7.4.120.0150.00716.24
7.4.110.0150.00316.32
7.4.100.0040.01216.42
7.4.90.0200.00316.32
7.4.80.0100.00719.39
7.4.70.0120.00916.41
7.4.60.0100.00616.35
7.4.50.0030.01416.20
7.4.40.0100.00616.48
7.4.30.0130.00316.43
7.4.20.0090.00916.49
7.4.10.0140.00816.18
7.4.00.0140.01016.36
7.3.330.0050.00216.05
7.3.320.0060.00013.09
7.3.310.0000.00716.06
7.3.300.0070.00016.12
7.3.290.0070.00816.16
7.3.280.0060.00916.12
7.3.260.0070.01716.51
7.3.240.0110.00716.34
7.3.230.0070.01016.49
7.3.210.0100.00616.07
7.3.200.0060.00916.21
7.3.190.0060.00916.50
7.3.180.0060.01016.23
7.3.170.0160.00316.40
7.3.160.0100.00616.34
7.3.150.0030.01416.01
7.3.140.0030.01416.26
7.3.130.0130.00316.44
7.3.120.0110.00716.48
7.3.110.0070.01016.31
7.3.100.0030.01316.20
7.3.90.0130.00316.07
7.3.80.0040.01116.09
7.3.70.0000.01516.07
7.3.60.0060.00916.02
7.3.50.0060.00916.21
7.3.40.0040.01116.01
7.3.30.0060.01216.10
7.3.20.0080.00816.25
7.3.10.0110.00716.03
7.3.00.0060.01116.19
7.2.330.0130.00416.46
7.2.310.0120.00516.30
7.2.300.0130.00716.29
7.2.290.0030.01416.14
7.2.280.0090.00916.18
7.2.270.0090.01316.27
7.2.260.0130.00916.37
7.2.250.0030.01416.31
7.2.240.0130.00316.13
7.2.230.0040.01216.19
7.2.220.0100.00716.42
7.2.210.0090.00616.27
7.2.200.0090.00616.53
7.2.190.0070.01016.27
7.2.180.0090.00616.41
7.2.170.0080.00816.23
7.2.160.0060.00916.06
7.2.150.0130.00716.38
7.2.140.0080.01016.34
7.2.130.0160.00016.23
7.2.120.0120.00316.37
7.2.110.0130.00316.39
7.2.100.0060.00916.29
7.2.90.0060.00916.38
7.2.80.0110.00516.28
7.2.70.0100.00716.43
7.2.60.0120.00616.29
7.2.50.0060.01216.38
7.2.40.0040.01316.36
7.2.30.0140.00316.41
7.2.20.0120.00416.25
7.2.10.0070.01016.43
7.2.00.0070.01016.46

preferences:
31.75 ms | 400 KiB | 5 Q