3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace x { function a($x) { echo $x; } define('x\a', 'ftsoa'); } namespace { var_dump(defined('a'), \x\a); }

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)
8.3.60.0070.01116.38
8.3.50.0160.00617.95
8.3.40.0090.00618.52
8.3.30.0150.00018.42
8.3.20.0070.00021.89
8.3.10.0070.00021.60
8.3.00.0040.00419.13
8.2.180.0140.00316.32
8.2.170.0100.00322.96
8.2.160.0130.00319.33
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.35
8.2.120.0000.00826.35
8.2.110.0090.00022.21
8.2.100.0000.01117.72
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0110.00017.80
8.2.50.0000.00818.10
8.2.40.0000.00720.47
8.2.30.0050.00219.22
8.2.20.0020.00517.89
8.2.10.0040.00418.04
8.2.00.0040.00418.04
8.1.280.0040.01225.92
8.1.270.0040.00420.59
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0040.00722.12
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0050.00517.10
8.1.190.0030.00517.22
8.1.180.0070.00018.10
8.1.170.0030.00618.72
8.1.160.0000.00718.79
8.1.150.0040.00418.85
8.1.140.0000.00719.41
8.1.130.0000.00718.82
8.1.120.0000.00717.43
8.1.110.0000.00917.43
8.1.100.0040.00417.39
8.1.90.0060.00317.37
8.1.80.0000.00717.39
8.1.70.0000.00717.38
8.1.60.0020.00517.35
8.1.50.0000.00717.45
8.1.40.0000.00817.46
8.1.30.0080.00017.51
8.1.20.0000.00717.58
8.1.10.0000.00817.25
8.1.00.0050.00217.29
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0000.00718.27
8.0.270.0000.00817.18
8.0.260.0000.00617.18
8.0.250.0030.00316.93
8.0.240.0000.00716.91
8.0.230.0000.00716.92
8.0.220.0030.00316.73
8.0.210.0030.00516.69
8.0.200.0070.00016.79
8.0.190.0030.00516.88
8.0.180.0050.00216.88
8.0.170.0030.00516.85
8.0.160.0000.00716.83
8.0.150.0030.00316.80
8.0.140.0030.00416.79
8.0.130.0030.00313.27
8.0.120.0000.00716.80
8.0.110.0070.00016.66
8.0.100.0040.00416.61
8.0.90.0080.00016.82
8.0.80.0060.00916.75
8.0.70.0000.00716.71
8.0.60.0000.00716.76
8.0.50.0050.00216.60
8.0.30.0090.01116.90
8.0.20.0110.00817.40
8.0.10.0000.00716.95
8.0.00.0070.01116.65
7.4.330.0000.00515.55
7.4.320.0030.00316.43
7.4.300.0000.00716.41
7.4.290.0030.00316.41
7.4.280.0040.00416.43
7.4.270.0030.00316.43
7.4.260.0030.00616.50
7.4.250.0000.00716.29
7.4.240.0030.00316.45
7.4.230.0040.00416.37
7.4.220.0170.00316.54
7.4.210.0060.00816.44
7.4.200.0030.00316.33
7.4.160.0070.00816.56
7.4.150.0040.01317.40
7.4.140.0080.01117.86
7.4.130.0080.01616.49
7.4.120.0050.01516.50
7.4.110.0070.01016.49
7.4.100.0130.00616.45
7.4.90.0130.00316.42
7.4.80.0110.00519.39
7.4.70.0100.00616.51
7.4.60.0130.00316.33
7.4.50.0030.00816.16
7.4.40.0190.00416.30
7.4.30.0120.00416.41
7.4.00.0120.00615.13
7.3.330.0030.00313.15
7.3.320.0020.00213.10
7.3.310.0030.00316.04
7.3.300.0060.00316.13
7.3.290.0000.00716.09
7.3.280.0060.00816.11
7.3.270.0000.01717.40
7.3.260.0080.00816.32
7.3.250.0110.00816.27
7.3.240.0140.00316.28
7.3.230.0070.01016.29
7.3.210.0070.01116.13
7.3.200.0040.01816.28
7.3.190.0070.01216.19
7.3.180.0140.00416.16
7.3.170.0110.01216.41
7.3.160.0150.00016.40
7.2.330.0110.00716.30
7.2.320.0320.02116.60
7.2.310.0070.01016.43
7.2.300.0070.01416.46
7.2.290.0090.01016.37
7.2.60.0060.01016.89
7.1.200.0000.01315.42
7.1.70.0000.00717.15
7.1.60.0080.00317.09
7.1.50.0130.01334.38
7.1.40.0170.01034.23
7.1.30.0130.01734.15
7.1.20.0130.01334.42
7.1.10.0070.01016.36
7.1.00.0100.00316.41
7.0.200.0030.00616.73
7.0.190.0030.01016.41
7.0.180.0030.01315.85
7.0.170.0030.01016.10
7.0.160.0030.01316.30
7.0.150.0070.01016.03
7.0.140.0100.00316.17
7.0.130.0100.00316.34
7.0.120.0030.01316.39
7.0.110.0030.01016.18
7.0.100.0030.01016.23
7.0.90.0070.00716.08
7.0.80.0070.00716.24
7.0.70.0100.00316.18
7.0.60.0070.01015.75
7.0.50.0030.00716.11
7.0.40.0100.00716.34
7.0.30.0030.01316.32
7.0.20.0100.00716.21
7.0.10.0070.01316.41
7.0.00.0070.00716.00

preferences:
58.93 ms | 401 KiB | 5 Q