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, '7.0.0')); 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)
8.3.60.0150.00318.55
8.3.50.0140.00721.09
8.3.40.0070.00718.71
8.3.30.0110.00318.54
8.3.20.0000.00720.26
8.3.10.0000.00823.29
8.3.00.0070.00023.41
8.2.180.0150.00416.75
8.2.170.0060.00922.96
8.2.160.0140.00722.14
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0060.00317.38
8.2.110.0060.00320.87
8.2.100.0040.00817.63
8.2.90.0000.00819.22
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0000.00818.04
8.2.50.0030.00718.07
8.2.40.0050.00619.34
8.2.30.0050.00319.89
8.2.20.0000.00817.74
8.2.10.0040.00418.06
8.2.00.0040.00418.12
8.1.280.0060.00825.92
8.1.270.0050.00320.25
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0130.00322.05
8.1.230.0060.00617.42
8.1.220.0050.00317.74
8.1.210.0000.00718.77
8.1.200.0060.00317.22
8.1.190.0090.00017.24
8.1.180.0050.00218.10
8.1.170.0040.00418.64
8.1.160.0000.00821.98
8.1.150.0000.00718.96
8.1.140.0040.00417.36
8.1.130.0000.00717.58
8.1.120.0050.00317.42
8.1.110.0040.00417.29
8.1.100.0000.00817.35
8.1.90.0000.00717.38
8.1.80.0040.00417.52
8.1.70.0030.00317.38
8.1.60.0030.00517.64
8.1.50.0030.00517.56
8.1.40.0080.00017.46
8.1.30.0050.00317.55
8.1.20.0000.00717.57
8.1.10.0000.00717.58
8.1.00.0070.00017.52
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0030.00318.44
8.0.270.0000.00717.25
8.0.260.0030.00717.19
8.0.250.0040.00416.96
8.0.240.0030.00316.97
8.0.230.0030.00316.84
8.0.220.0000.00716.80
8.0.210.0050.00316.84
8.0.200.0000.00616.95
8.0.190.0070.00016.94
8.0.180.0040.00416.91
8.0.170.0040.00416.89
8.0.160.0050.00216.87
8.0.150.0040.00416.87
8.0.140.0070.00016.76
8.0.130.0000.00513.20
8.0.120.0070.00016.77
8.0.110.0030.00516.82
8.0.100.0040.00416.89
8.0.90.0040.00416.93
8.0.80.0090.01216.85
8.0.70.0040.00416.88
8.0.60.0040.00416.90
8.0.50.0040.00416.70
8.0.30.0110.00816.95
8.0.20.0110.00917.40
8.0.10.0080.00017.09
8.0.00.0100.00816.84
7.4.330.0030.00315.18
7.4.320.0000.00616.50
7.4.300.0030.00316.56
7.4.290.0000.00716.65
7.4.280.0040.00416.51
7.4.270.0030.00316.67
7.4.260.0030.00316.49
7.4.250.0000.00816.42
7.4.240.0000.00716.61
7.4.230.0030.00316.49
7.4.220.0040.01416.44
7.4.210.0110.00416.54
7.4.200.0070.00016.36
7.4.160.0090.00616.70
7.4.150.0030.01417.40
7.4.140.0100.01217.86
7.4.130.0030.01316.55
7.4.120.0120.00516.36
7.4.110.0130.00316.36
7.4.100.0150.00916.59
7.4.90.0060.01816.41
7.4.80.0110.00619.39
7.4.70.0140.00316.77
7.4.60.0110.00616.53
7.4.50.0030.00616.10
7.4.40.0170.00916.56
7.4.30.0130.00316.37
7.4.00.0040.01115.20
7.3.330.0060.00013.05
7.3.320.0000.00513.26
7.3.310.0080.00016.05
7.3.300.0040.00416.18
7.3.290.0070.00916.14
7.3.280.0090.00816.20
7.3.270.0140.00417.40
7.3.260.0060.01316.38
7.3.250.0100.00816.29
7.3.240.0090.01316.26
7.3.230.0060.01216.39
7.3.210.0150.00616.32
7.3.200.0100.00716.42
7.3.190.0030.01216.30
7.3.180.0040.01216.22
7.3.170.0120.00316.29
7.3.160.0030.01616.24
7.2.330.0030.01516.75
7.2.320.0100.00716.38
7.2.310.0090.00916.64
7.2.300.0120.00416.84
7.2.290.0040.01316.45
7.2.60.0140.00716.87
7.2.50.0160.01016.74
7.2.00.0040.00419.20
7.1.200.0060.00915.62
7.1.70.0040.00416.80
7.1.60.0070.01719.12
7.1.50.0120.00916.93
7.1.00.0030.07722.32
7.0.200.0240.00316.75
7.0.60.0070.08719.95
7.0.50.0070.04717.89
7.0.40.0170.05320.23
7.0.30.0230.05320.30
7.0.20.0300.06320.10
7.0.10.0130.03320.12
7.0.00.0100.07320.23
5.6.280.0100.05021.07
5.6.210.0100.07020.60
5.6.200.0130.07718.15
5.6.190.0100.05320.39
5.6.180.0530.07020.61
5.6.170.0200.04320.45
5.6.160.0130.07720.45
5.6.150.0070.08018.29
5.6.140.0130.07318.16
5.6.130.0070.07318.21
5.6.120.0130.04321.18
5.6.110.0000.04320.97
5.6.100.0100.05720.97
5.6.90.0070.08721.00
5.6.80.0070.06020.37
5.5.350.0200.07720.46
5.5.340.0100.06718.02
5.5.330.0070.05020.37
5.5.320.0200.06020.24
5.5.310.0270.07720.35
5.5.300.0170.06717.98
5.5.290.0100.08318.02
5.5.280.0100.08320.97
5.5.270.0100.08720.86
5.5.260.0100.07720.86
5.5.250.0130.07720.50
5.5.240.0070.07720.04
5.4.450.0100.06719.55
5.4.440.0200.05319.63
5.4.430.0230.04719.58
5.4.420.0170.05319.63
5.4.410.0170.05319.45
5.4.400.0200.04718.86
5.4.390.0030.06718.87
5.4.380.0130.05319.15
5.4.370.0230.05319.15
5.4.360.0100.06319.04
5.4.350.0200.05319.15
5.4.340.0170.05319.16
5.4.320.0170.05719.25
5.4.310.0270.05319.22
5.4.300.0200.05319.28
5.4.290.0130.06019.01
5.4.280.0370.05319.25
5.4.270.0200.05018.84
5.4.260.0270.05019.23
5.4.250.0330.04319.14
5.4.240.0200.06719.37
5.4.230.0200.05719.15
5.4.220.0230.05019.25
5.4.210.0230.05019.10
5.4.200.0270.04016.70
5.4.190.0230.04718.88
5.4.180.0200.06319.02
5.4.170.0130.06319.02
5.4.160.0270.06019.12
5.4.150.0330.05719.17
5.4.140.0200.05316.58
5.4.130.0300.03316.40
5.4.120.0170.04716.38
5.4.110.0200.06016.56
5.4.100.0270.04716.47
5.4.90.0200.05716.35
5.4.80.0170.05316.44
5.4.70.0170.06016.56
5.4.60.0170.05016.38
5.4.50.0100.05716.50
5.4.40.0170.05016.58
5.4.30.0070.06016.53
5.4.20.0170.05016.58
5.4.10.0230.04016.30
5.4.00.0130.05015.90
5.3.290.0230.04714.81
5.3.280.0100.05714.64
5.3.270.0300.04014.58
5.3.260.0100.06014.57
5.3.250.0130.06014.72
5.3.240.0130.06014.58
5.3.230.0270.04314.67
5.3.220.0170.07314.63
5.3.210.0100.06014.68
5.3.200.0070.06314.68
5.3.190.0200.07014.68
5.3.180.0130.05714.53
5.3.170.0170.05314.54
5.3.160.0270.04014.59
5.3.150.0370.04314.67
5.3.140.0200.04714.66
5.3.130.0200.05714.61
5.3.120.0300.04014.52
5.3.110.0200.05314.66
5.3.100.0130.05714.32
5.3.90.0170.06014.16
5.3.80.0230.04713.99
5.3.70.0170.06013.98
5.3.60.0070.06013.94
5.3.50.0130.05313.86
5.3.40.0170.05714.15
5.3.30.0170.05713.99
5.3.20.0170.05013.65
5.3.10.0200.04313.64
5.3.00.0230.04313.62
5.2.170.0130.05011.00
5.2.160.0270.04311.00
5.2.150.0200.04310.99
5.2.140.0170.04011.08
5.2.130.0100.04710.99
5.2.120.0200.03310.99
5.2.110.0230.03311.05
5.2.100.0070.04710.95
5.2.90.0200.03710.94
5.2.80.0200.03710.94
5.2.70.0230.04711.04
5.2.60.0130.04711.06
5.2.50.0130.05710.88
5.2.40.0070.05710.83
5.2.30.0130.05710.91
5.2.20.0200.05310.86
5.2.10.0100.04710.87
5.2.00.0130.04010.62
5.1.60.0230.03710.01
5.1.50.0100.0379.97
5.1.40.0100.03710.04
5.1.30.0100.04010.27
5.1.20.0170.03310.26
5.1.10.0200.02710.11
5.1.00.0100.03710.00
5.0.50.0170.0308.71
5.0.40.0100.0238.57
5.0.30.0170.0378.38
5.0.20.0130.0238.17
5.0.10.0130.0238.06
5.0.00.0030.0478.13
4.4.90.0030.0277.25
4.4.80.0070.0237.25
4.4.70.0030.0237.25
4.4.60.0030.0237.25
4.4.50.0070.0237.25
4.4.40.0130.0407.25
4.4.30.0070.0237.25
4.4.20.0070.0237.25
4.4.10.0100.0207.25
4.4.00.0070.0377.25
4.3.110.0070.0237.25
4.3.100.0100.0207.25
4.3.90.0070.0237.25
4.3.80.0130.0307.25
4.3.70.0070.0237.25
4.3.60.0030.0237.25
4.3.50.0100.0207.25
4.3.40.0100.0307.25
4.3.30.0030.0237.25
4.3.20.0000.0277.25
4.3.10.0030.0237.25
4.3.00.0030.0207.22

preferences:
40.33 ms | 401 KiB | 5 Q