3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\PHP7; class Foo {} namespace Foo\PHP5; class Foo {} namespace Foo; var_Dump(version_compare(PHP_VERSION, '7.0.0alpha1')); if (version_compare(PHP_VERSION, '7.0.0')) { echo PHP_VERSION; class_alias('\Foo\PHP5\Foo', '\Foo\Foo'); } else { echo PHP_VERSION; class_alias('\Foo\PHP7\Foo', '\Foo\Foo'); } $a = new \Foo\Foo(); var_Dump(get_class($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)
8.3.60.0170.00018.30
8.3.50.0110.01121.08
8.3.40.0040.01118.54
8.3.30.0110.00418.72
8.3.20.0040.00420.39
8.3.10.0040.00423.66
8.3.00.0040.00423.64
8.2.180.0090.00618.11
8.2.170.0110.01122.96
8.2.160.0070.01422.25
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0070.00417.63
8.2.110.0110.00019.21
8.2.100.0120.00017.63
8.2.90.0040.00418.78
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0000.00917.80
8.2.50.0090.00018.07
8.2.40.0040.00421.03
8.2.30.0040.00419.83
8.2.20.0040.00417.68
8.2.10.0050.00217.88
8.2.00.0040.00718.06
8.1.280.0060.01025.92
8.1.270.0040.00420.38
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00322.73
8.1.230.0090.00517.42
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00417.25
8.1.190.0000.00817.25
8.1.180.0080.00018.10
8.1.170.0040.00418.70
8.1.160.0000.00822.01
8.1.150.0000.00818.85
8.1.140.0040.00417.47
8.1.130.0030.00317.58
8.1.120.0040.00417.53
8.1.110.0000.00717.52
8.1.100.0000.00817.39
8.1.90.0000.00717.36
8.1.80.0000.00817.50
8.1.70.0000.00717.47
8.1.60.0060.00317.63
8.1.50.0040.00417.41
8.1.40.0030.00517.36
8.1.30.0040.00417.40
8.1.20.0050.00217.64
8.1.10.0050.00217.57
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.30
8.0.270.0000.00717.18
8.0.260.0030.00717.25
8.0.250.0000.00716.84
8.0.240.0070.00016.96
8.0.230.0000.00716.97
8.0.220.0000.00716.97
8.0.210.0030.00316.89
8.0.200.0060.00016.95
8.0.190.0000.00816.92
8.0.180.0050.00216.96
8.0.170.0040.00416.95
8.0.160.0060.00316.95
8.0.150.0040.00416.81
8.0.140.0000.00816.79
8.0.130.0070.00013.30
8.0.120.0040.00416.69
8.0.110.0000.00716.96
8.0.100.0040.00416.78
8.0.90.0000.00716.93
8.0.80.0030.01916.86
8.0.70.0050.00316.88
8.0.60.0040.00416.90
8.0.50.0040.00416.91
8.0.30.0040.01417.06
8.0.20.0110.00717.40
8.0.10.0040.00417.02
8.0.00.0100.01016.82
7.4.330.0000.00515.09
7.4.320.0060.00016.61
7.4.300.0030.00316.61
7.4.290.0100.00016.60
7.4.280.0080.00016.58
7.4.270.0000.00616.42
7.4.260.0030.00316.50
7.4.250.0000.01016.49
7.4.240.0030.00316.49
7.4.230.0030.00316.61
7.4.220.0090.00916.57
7.4.210.0030.01016.64
7.4.200.0000.00716.68
7.4.160.0120.00616.46
7.4.150.0070.01117.40
7.4.140.0080.01417.86
7.4.130.0130.00416.49
7.4.120.0110.00616.47
7.4.110.0080.00816.66
7.4.100.0110.01116.59
7.4.90.0090.01016.49
7.4.80.0070.01319.39
7.4.70.0100.00716.64
7.4.60.0070.01016.37
7.4.50.0040.00416.50
7.4.40.0180.00616.52
7.4.30.0130.00316.33
7.4.00.0080.00815.16
7.3.330.0030.00312.97
7.3.320.0000.00513.14
7.3.310.0030.00316.08
7.3.300.0070.00016.06
7.3.290.0070.01016.15
7.3.280.0080.01116.15
7.3.270.0060.01217.40
7.3.260.0090.00916.33
7.3.250.0110.00716.42
7.3.240.0190.00316.14
7.3.230.0100.01316.39
7.3.210.0030.01316.49
7.3.200.0060.00916.24
7.3.190.0030.01216.57
7.3.180.0090.00616.33
7.3.170.0130.00316.27
7.3.160.0140.00716.30
7.2.330.0030.01316.48
7.2.320.0150.00316.73
7.2.310.0060.01216.55
7.2.300.0120.00616.61
7.2.290.0060.01116.51
7.2.60.0110.00816.82
7.2.50.0090.00616.95
7.2.00.0060.00319.39
7.1.200.0090.00015.70
7.1.70.0000.00717.09
7.1.60.0100.01019.12
7.1.50.0040.01816.90
7.1.00.0000.08022.48
7.0.200.0220.00416.80
7.0.60.0070.06720.00
7.0.50.0100.07717.74
7.0.40.0030.04320.10
7.0.30.0530.07020.17
7.0.20.0230.04320.33
7.0.10.0030.04320.24
7.0.00.0070.07720.05
5.6.280.0000.03720.91
5.6.210.0130.07720.68
5.6.200.0100.07318.25
5.6.190.0070.07020.45
5.6.180.0400.07020.43
5.6.170.0370.03720.55
5.6.160.0100.07320.39
5.6.150.0070.06718.15
5.6.140.0230.06318.14
5.6.130.0130.04318.28
5.6.120.0170.07020.96
5.6.110.0030.04020.97
5.6.100.0130.06321.11
5.6.90.0170.07321.12
5.6.80.0100.08020.48
5.5.350.0170.06020.39
5.5.340.0100.07717.94
5.5.330.0130.07720.25
5.5.320.0270.07320.41
5.5.310.0300.07020.23
5.5.300.0100.07018.08
5.5.290.0130.07718.01
5.5.280.0070.04720.77
5.5.270.0030.06720.66
5.5.260.0170.07720.74
5.5.250.0100.08020.55
5.5.240.0100.07720.26
5.4.450.0200.05019.21
5.4.440.0200.06319.30
5.4.430.0230.06319.47
5.4.420.0270.05019.69
5.4.410.0370.06719.27
5.4.400.0200.05319.06
5.4.390.0200.06019.30
5.4.380.0270.05019.28
5.4.370.0270.05019.32
5.4.360.0230.05319.11
5.4.350.0100.06319.26
5.4.340.0170.06719.15
5.4.320.0170.05718.86
5.4.310.0230.06319.14
5.4.300.0330.04318.86
5.4.290.0270.04719.01
5.4.280.0270.05719.28
5.4.270.0300.05719.25
5.4.260.0330.07019.12
5.4.250.0200.05319.14
5.4.240.0170.05718.97
5.4.230.0200.05319.28
5.4.220.0300.04318.83
5.4.210.0170.06319.28
5.4.200.0270.05016.82
5.4.190.0130.09019.01
5.4.180.0370.09019.02
5.4.170.0500.04719.35
5.4.160.0330.05719.12
5.4.150.0270.04319.27
5.4.140.0130.05316.82
5.4.130.0200.05316.77
5.4.120.0270.05716.77
5.4.110.0230.04316.61
5.4.100.0200.05316.56
5.4.90.0430.08716.62
5.4.80.0170.07016.58
5.4.70.0300.04716.45
5.4.60.0170.06016.40
5.4.50.0170.05316.39
5.4.40.0200.05016.47
5.4.30.0230.05016.64
5.4.20.0170.05716.47
5.4.10.0130.05716.39
5.4.00.0200.04715.86
5.3.290.0270.04714.74
5.3.280.0300.05014.70
5.3.270.0200.06014.63
5.3.260.0270.05314.57
5.3.250.0230.05714.68
5.3.240.0200.05314.67
5.3.230.0230.05014.52
5.3.220.0230.05014.64
5.3.210.0170.05714.85
5.3.200.0100.06014.64
5.3.190.0170.05714.64
5.3.180.0230.04714.64
5.3.170.0100.06014.63
5.3.160.0100.07314.64
5.3.150.0230.04714.54
5.3.140.0130.05714.52
5.3.130.0270.04314.52
5.3.120.0200.05314.68
5.3.110.0270.05714.61
5.3.100.0170.06014.08
5.3.90.0370.05313.98
5.3.80.0200.04714.13
5.3.70.0070.06014.13
5.3.60.0200.04714.07
5.3.50.0170.06313.91
5.3.40.0170.05313.90
5.3.30.0200.06013.88
5.3.20.0130.07313.98
5.3.10.0070.06013.61
5.3.00.0300.04013.71
5.2.170.0100.04711.00
5.2.160.0100.04311.04
5.2.150.0170.04311.08
5.2.140.0270.03710.93
5.2.130.0130.04311.15
5.2.120.0100.04010.95
5.2.110.0070.04311.18
5.2.100.0130.04310.94
5.2.90.0170.03711.09
5.2.80.0100.04310.93
5.2.70.0200.03310.95
5.2.60.0130.04010.89
5.2.50.0070.04710.98
5.2.40.0130.04311.14
5.2.30.0130.04310.95
5.2.20.0170.03311.11
5.2.10.0100.04010.77
5.2.00.0170.04710.65
5.1.60.0230.0279.83
5.1.50.0200.0439.83
5.1.40.0130.03710.00
5.1.30.0200.02710.33
5.1.20.0170.03710.39
5.1.10.0130.0339.93
5.1.00.0070.0409.96
5.0.50.0100.0308.48
5.0.40.0100.0278.38
5.0.30.0030.0478.15
5.0.20.0030.0308.27
5.0.10.0070.0278.24
5.0.00.0070.0408.08
4.4.90.0030.0237.26
4.4.80.0100.0307.26
4.4.70.0070.0307.26
4.4.60.0070.0277.26
4.4.50.0070.0207.26
4.4.40.0100.0377.26
4.4.30.0100.0207.26
4.4.20.0070.0207.26
4.4.10.0100.0277.26
4.4.00.0030.0377.26
4.3.110.0100.0277.26
4.3.100.0070.0307.26
4.3.90.0030.0337.26
4.3.80.0100.0407.26
4.3.70.0030.0337.26
4.3.60.0030.0337.26
4.3.50.0070.0307.26
4.3.40.0100.0407.26
4.3.30.0030.0277.26
4.3.20.0030.0237.26
4.3.10.0070.0277.26
4.3.00.0000.0277.22

preferences:
67.25 ms | 401 KiB | 5 Q