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)
8.3.60.0070.00718.31
8.3.50.0140.00416.35
8.3.40.0150.00018.62
8.3.30.0060.01218.72
8.3.20.0040.00420.34
8.3.10.0040.00423.66
8.3.00.0040.00423.58
8.2.180.0110.00716.63
8.2.170.0040.01822.96
8.2.160.0070.01322.20
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00717.63
8.2.110.0040.00420.42
8.2.100.0040.01117.72
8.2.90.0060.00319.22
8.2.80.0050.00317.97
8.2.70.0000.01017.63
8.2.60.0000.01018.04
8.2.50.0070.00318.07
8.2.40.0070.00221.25
8.2.30.0040.00419.91
8.2.20.0070.00017.63
8.2.10.0000.00718.05
8.2.00.0070.00418.17
8.1.270.0050.00320.09
8.1.260.0070.00326.35
8.1.250.0000.00828.09
8.1.240.0090.00023.91
8.1.230.0040.00823.82
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0070.00022.04
8.1.150.0070.00018.88
8.1.140.0000.00817.52
8.1.130.0000.00717.77
8.1.120.0050.00217.49
8.1.110.0040.00417.37
8.1.100.0000.00717.42
8.1.90.0040.00417.35
8.1.80.0030.00417.41
8.1.70.0000.00717.44
8.1.60.0000.00817.61
8.1.50.0000.00817.51
8.1.40.0040.00417.43
8.1.30.0000.00817.56
8.1.20.0040.00417.70
8.1.10.0000.00817.64
8.1.00.0040.00417.48
8.0.300.0060.00318.77
8.0.290.0070.00016.63
8.0.280.0000.00718.36
8.0.270.0030.00317.14
8.0.260.0050.00317.13
8.0.250.0070.00016.97
8.0.240.0030.00516.93
8.0.230.0000.00716.91
8.0.220.0070.00016.79
8.0.210.0000.00716.91
8.0.200.0060.00016.94
8.0.190.0000.00716.98
8.0.180.0070.00016.88
8.0.170.0000.00816.96
8.0.160.0000.00716.86
8.0.150.0040.00416.88
8.0.140.0070.00016.82
8.0.130.0050.00213.32
8.0.120.0040.00416.89
8.0.110.0040.00416.80
8.0.100.0070.00016.96
8.0.90.0050.00216.93
8.0.80.0120.00916.87
8.0.70.0040.00416.93
8.0.60.0070.00016.85
8.0.50.0060.00317.01
8.0.30.0080.00717.29
8.0.20.0160.00617.40
8.0.10.0000.00717.08
8.0.00.0070.01316.84
7.4.330.0000.00515.13
7.4.320.0000.00616.56
7.4.300.0030.00316.46
7.4.290.0060.00316.58
7.4.280.0050.00316.51
7.4.270.0000.00716.62
7.4.260.0000.00816.61
7.4.250.0040.00416.38
7.4.240.0030.00316.45
7.4.230.0030.00316.51
7.4.220.0160.01016.64
7.4.210.0040.01116.60
7.4.200.0070.00016.41
7.4.160.0100.01016.51
7.4.150.0170.00717.40
7.4.140.0070.01517.86
7.4.130.0080.00816.55
7.4.120.0030.01416.44
7.4.110.0100.00716.39
7.4.100.0070.01116.38
7.4.90.0110.00716.45
7.4.80.0030.01419.39
7.4.70.0090.00916.37
7.4.60.0100.00716.39
7.4.50.0080.00016.38
7.4.40.0040.01016.49
7.4.30.0110.00716.59
7.4.00.0070.01215.02
7.3.330.0080.00013.26
7.3.320.0050.00013.22
7.3.310.0040.00416.25
7.3.300.0050.00216.19
7.3.290.0140.00516.15
7.3.280.0090.01116.17
7.3.270.0050.01217.40
7.3.260.0200.00016.43
7.3.250.0100.00816.31
7.3.240.0130.01016.30
7.3.230.0090.00916.53
7.3.210.0170.00016.31
7.3.200.0130.00616.41
7.3.190.0110.00816.53
7.3.180.0040.01516.48
7.3.170.0090.01016.41
7.3.160.0080.01116.23
7.3.120.0130.00614.68
7.3.110.0070.00714.65
7.3.100.0080.00814.80
7.3.90.0030.01214.62
7.3.80.0070.00314.71
7.3.70.0100.00314.74
7.3.60.0080.00414.76
7.3.50.0030.01214.63
7.3.40.0040.00714.69
7.3.30.0070.01014.57
7.3.20.0100.00316.53
7.3.10.0080.00816.47
7.3.00.0060.00916.34
7.2.330.0120.00916.80
7.2.320.0120.00816.34
7.2.310.0070.01116.59
7.2.300.0030.01616.32
7.2.290.0030.01416.52
7.2.250.0060.01015.11
7.2.240.0070.01014.86
7.2.230.0060.00914.71
7.2.220.0030.01215.20
7.2.210.0030.00615.16
7.2.200.0130.00014.55
7.2.190.0070.01015.11
7.2.180.0120.00315.04
7.2.170.0040.00814.87
7.2.130.0060.00916.62
7.2.120.0080.00716.85
7.2.110.0040.01316.64
7.2.100.0080.00716.64
7.2.90.0090.00416.96
7.2.80.0050.00716.69
7.2.70.0120.00816.66
7.2.60.0090.01116.82
7.2.50.0100.00716.70
7.2.40.0040.01316.70
7.2.30.0030.01316.63
7.2.20.0100.00516.69
7.2.10.0070.00616.74
7.2.00.0060.00717.58
7.1.330.0060.00615.78
7.1.320.0060.00915.67
7.1.310.0070.01015.66
7.1.300.0080.00615.39
7.1.290.0030.00615.73
7.1.280.0030.01215.54
7.1.270.0040.00815.41
7.1.260.0030.01015.74
7.1.250.0020.01015.68
7.1.200.0100.00315.58
7.1.70.0000.01017.16
7.1.60.0030.02019.12
7.1.50.0070.01417.01
7.1.00.0070.07322.51
7.0.200.0180.00316.60
7.0.60.0100.08320.04
7.0.50.0030.08317.95
7.0.40.0130.07719.96
7.0.30.0200.04720.31
7.0.20.0230.08020.24
7.0.10.0300.07020.21
7.0.00.0170.08320.23
5.6.280.0070.03021.00
5.6.210.0070.06320.76
5.6.200.0030.08718.12
5.6.190.0170.08320.47
5.6.180.0470.04720.61
5.6.170.0300.07020.50
5.6.160.0130.08320.52
5.6.150.0100.08318.24
5.6.140.0100.07718.14
5.6.130.0170.07018.21
5.6.120.0130.08321.12
5.6.110.0000.04320.96
5.6.100.0070.08020.98
5.6.90.0130.07320.88
5.6.80.0000.04320.39
5.6.70.0000.04320.38
5.5.350.0130.07020.41
5.5.340.0070.05017.93
5.5.330.0070.04320.25
5.5.320.0000.07720.28
5.5.310.0270.05320.27
5.5.300.0070.03717.95
5.5.290.0130.06718.07
5.5.280.0030.07320.76
5.5.270.0100.08320.65
5.5.260.0070.08720.61
5.5.250.0200.07020.66
5.5.240.0070.03720.16
5.4.450.0170.05719.30
5.4.440.0700.06019.36
5.4.430.0670.06019.47
5.4.420.1000.04319.44
5.4.410.0970.05719.42
5.4.400.0870.04319.28
5.4.390.0830.05319.11
5.4.380.0870.05719.24
5.4.370.0700.07319.06
5.4.360.0830.06019.23
5.4.350.0670.05319.28
5.4.340.0970.06319.15
5.4.320.0870.07019.06
5.4.310.1100.07319.01
5.4.300.1030.06719.01
5.4.290.1000.07019.27
5.4.280.0900.08019.03
5.4.270.1400.05719.14
5.4.260.1200.05719.27
5.4.250.1270.05719.28
5.4.240.0830.06019.25
5.4.230.1000.04319.21
5.4.220.0930.05719.30
5.4.210.1200.07019.06
5.4.200.1300.06316.86
5.4.190.1070.08019.05
5.4.180.1230.07019.21
5.4.170.1230.07319.14
5.4.160.1100.04719.21
5.4.150.1000.07019.08
5.4.140.1070.05716.56
5.4.130.0730.05716.41
5.4.120.1170.06016.57
5.4.110.0930.05016.57
5.4.100.0730.05316.46
5.4.90.0900.08016.39
5.4.80.1330.04316.35
5.4.70.1030.06316.41
5.4.60.0930.05716.39
5.4.50.0670.06016.48
5.4.40.1100.06016.45
5.4.30.1070.06716.28
5.4.20.1200.06016.25
5.4.10.0930.04716.32
5.4.00.0900.05015.88
5.3.290.0970.06714.81
5.3.280.1000.06714.57
5.3.270.0870.06014.60
5.3.260.1000.06014.81
5.3.250.0970.06014.64
5.3.240.0730.06314.65
5.3.230.0970.05314.64
5.3.220.0800.05714.63
5.3.210.0630.06014.62
5.3.200.0800.06014.64
5.3.190.0930.05714.71
5.3.180.1100.05714.68
5.3.170.0830.06714.63
5.3.160.0770.05014.70
5.3.150.0830.05314.53
5.3.140.0700.05314.70
5.3.130.0870.06014.53
5.3.120.0830.04714.50
5.3.110.0830.05314.69
5.3.100.0770.07013.99
5.3.90.0670.05314.13
5.3.80.0500.05014.30
5.3.70.0430.05713.99
5.3.60.0730.05014.20
5.3.50.0900.04314.05
5.3.40.0670.05014.06
5.3.30.0600.05714.20
5.3.20.0400.05713.89
5.3.10.0130.05013.80
5.3.00.0600.04313.92
5.2.170.0700.05010.99
5.2.160.0600.04011.30
5.2.150.0330.03711.20
5.2.140.0400.04011.08
5.2.130.0600.05011.12
5.2.120.0800.03010.94
5.2.110.0630.03311.26
5.2.100.0630.04010.96
5.2.90.0700.04010.94
5.2.80.0870.03710.89
5.2.70.0500.05011.18
5.2.60.0700.03310.88
5.2.50.0530.04711.06
5.2.40.0730.04311.00
5.2.30.0400.04310.81
5.2.20.0530.03010.94
5.2.10.0570.03310.82
5.2.00.0500.04310.80
5.1.60.0570.02710.05
5.1.50.0470.0439.87
5.1.40.0400.04310.04
5.1.30.0170.03010.34
5.1.20.0570.04310.38
5.1.10.0600.0379.96
5.1.00.0500.04310.11
5.0.50.0330.0408.52
5.0.40.0330.0308.49
5.0.30.0130.0478.28
5.0.20.0270.0278.12
5.0.10.0170.0278.08
5.0.00.0270.0438.15
4.4.90.0230.0237.23
4.4.80.0130.0277.23
4.4.70.0130.0207.23
4.4.60.0170.0177.23
4.4.50.0130.0137.23
4.4.40.0070.0337.23
4.4.30.0330.0177.23
4.4.20.0330.0207.23
4.4.10.0370.0237.23
4.4.00.0330.0437.23
4.3.110.0430.0277.23
4.3.100.0330.0277.23
4.3.90.0300.0237.23
4.3.80.0030.0437.23
4.3.70.0000.0237.23
4.3.60.0100.0237.23
4.3.50.0170.0207.23
4.3.40.0230.0337.23
4.3.30.0130.0237.23
4.3.20.0070.0307.23
4.3.10.0130.0237.23
4.3.00.0030.0277.22

preferences:
53.15 ms | 400 KiB | 5 Q