3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ const CON = 'CON_FOO'; } class FooChild extends Foo{ const CON = 'CON_FOOCHILD'; static private $instance; public static function getInstance() { if (!isset(self::$instance)) { $c = __CLASS__; self::$instance = new $c; } return self::$instance; } } $inst = FooChild::getInstance(); echo $inst::CON;

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)
8.3.60.0090.00918.68
8.3.50.0100.00721.99
8.3.40.0040.01518.96
8.3.30.0110.00418.84
8.3.20.0170.00018.90
8.3.10.0050.00321.04
8.3.00.0060.00919.91
8.2.180.0150.00616.88
8.2.170.0170.00322.96
8.2.160.0100.00320.39
8.2.150.0110.00724.18
8.2.140.0080.00024.66
8.2.130.0070.00326.16
8.2.120.0080.00021.00
8.2.110.0050.00520.52
8.2.100.0070.00417.91
8.2.90.0040.00419.13
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0030.00618.04
8.2.50.0000.00818.10
8.2.40.0040.00420.72
8.2.30.0040.00419.29
8.2.20.0050.00217.56
8.2.10.0040.00417.75
8.2.00.0000.01017.67
8.1.280.0130.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0060.00320.35
8.1.230.0040.00717.77
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0040.00418.61
8.1.160.0040.00422.07
8.1.150.0040.00418.64
8.1.140.0000.00717.42
8.1.130.0030.00317.81
8.1.120.0030.00317.36
8.1.110.0040.00417.36
8.1.100.0030.00317.48
8.1.90.0030.00317.48
8.1.80.0040.00417.43
8.1.70.0030.00317.33
8.1.60.0040.00417.58
8.1.50.0000.00717.47
8.1.40.0060.00317.57
8.1.30.0000.00817.58
8.1.20.0080.00017.59
8.1.10.0000.00717.61
8.1.00.0060.00317.40
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0070.00018.46
8.0.270.0030.00317.25
8.0.260.0000.00618.44
8.0.250.0050.00216.82
8.0.240.0050.00316.96
8.0.230.0040.00416.80
8.0.220.0000.00716.86
8.0.210.0000.00716.89
8.0.200.0060.00317.00
8.0.190.0040.00416.85
8.0.180.0030.00316.95
8.0.170.0040.00416.75
8.0.160.0000.00716.94
8.0.150.0040.00416.74
8.0.140.0000.00716.82
8.0.130.0030.00313.32
8.0.120.0060.00316.88
8.0.110.0040.00416.82
8.0.100.0030.00316.85
8.0.90.0070.00016.91
8.0.80.0130.00916.87
8.0.70.0030.00416.93
8.0.60.0040.00416.96
8.0.50.0000.00716.96
8.0.30.0060.01417.23
8.0.20.0110.00817.40
8.0.10.0050.00317.07
8.0.00.0120.00916.80
7.4.330.0000.00516.82
7.4.320.0000.00616.52
7.4.300.0000.00716.36
7.4.290.0030.00316.52
7.4.280.0000.00816.53
7.4.270.0070.00016.45
7.4.260.0030.00313.39
7.4.250.0000.00816.61
7.4.240.0030.00316.52
7.4.230.0000.00716.39
7.4.220.0160.00616.39
7.4.210.0080.00816.58
7.4.200.0040.00416.41
7.4.190.0030.00316.72
7.4.160.0120.00416.41
7.4.150.0070.01017.40
7.4.140.0170.00417.86
7.4.130.0150.00516.55
7.4.120.0100.00816.48
7.4.110.0130.01016.47
7.4.100.0120.00616.45
7.4.90.0100.01016.34
7.4.80.0120.00619.39
7.4.70.0090.01216.30
7.4.60.0120.00616.38
7.4.50.0050.00316.35
7.4.40.0030.01322.77
7.4.30.0060.01116.57
7.4.00.0030.01015.01
7.3.330.0050.00013.31
7.3.320.0070.00013.36
7.3.310.0030.00316.40
7.3.300.0000.00716.23
7.3.290.0070.00716.38
7.3.280.0100.01116.35
7.3.270.0140.00917.40
7.3.260.0100.01018.24
7.3.250.0120.00516.40
7.3.240.0060.01216.38
7.3.230.0120.00316.39
7.3.210.0060.01216.57
7.3.200.0090.01219.39
7.3.190.0100.00616.41
7.3.180.0130.00316.29
7.3.170.0090.00916.45
7.3.160.0100.00716.54
7.3.120.0040.00815.08
7.3.10.0040.00816.56
7.3.00.0030.01216.66
7.2.330.0140.00616.83
7.2.320.0090.00916.75
7.2.310.0170.00016.93
7.2.300.0040.01516.82
7.2.290.0070.01016.78
7.2.130.0060.00617.02
7.2.120.0120.00616.99
7.2.110.0100.00316.86
7.2.100.0060.00616.98
7.2.90.0080.01116.89
7.2.80.0120.00616.59
7.2.70.0140.00416.59
7.2.60.0100.00716.98
7.2.50.0040.00716.61
7.2.40.0070.00717.02
7.2.30.0030.01016.99
7.2.20.0000.01316.94
7.2.10.0070.00416.89
7.2.00.0050.00917.96
7.1.250.0000.01415.89
7.1.200.0060.00615.76
7.1.100.0040.01117.79
7.1.70.0040.00417.13
7.1.60.0070.00317.11
7.1.50.0070.00716.68
7.1.00.0100.02722.35
7.0.200.0070.01016.83
7.0.140.0030.07321.95
7.0.100.0400.07019.96
7.0.90.0230.04720.01
7.0.80.0530.06719.89
7.0.70.0130.04719.86
7.0.60.0100.08019.99
7.0.50.0130.07320.29
7.0.40.0030.05319.95
7.0.30.0130.07020.14
7.0.20.0170.07720.14
7.0.10.0000.09020.00
7.0.00.0030.08720.10
5.6.280.0030.07021.13
5.6.250.0000.08720.73
5.6.240.0170.06320.73
5.6.230.0130.04320.57
5.6.220.0030.08320.63
5.6.210.0170.07020.67
5.6.200.0200.07021.02
5.6.190.0070.05720.91
5.6.180.0170.07021.04
5.6.170.0070.08320.97
5.6.160.0130.07020.95
5.6.150.0100.08021.09
5.6.140.0000.08021.04
5.6.130.0070.05021.01
5.6.120.0100.07721.02
5.6.110.0030.07721.16
5.6.100.0100.07721.07
5.6.90.0070.08721.15
5.6.80.0070.07720.34
5.6.70.0130.07320.45
5.6.60.0030.05320.37
5.6.50.0100.06720.41
5.6.40.0070.04320.41
5.6.30.0130.07320.39
5.6.20.0070.07720.44
5.6.10.0030.08020.37
5.6.00.0070.04720.39
5.5.380.0030.06720.45
5.5.370.0070.07020.46
5.5.360.0070.05020.36
5.5.350.0200.07020.46
5.5.340.0100.09020.92
5.5.330.0230.06320.90
5.5.320.0130.05720.83
5.5.310.0130.06720.88
5.5.300.0100.05320.88
5.5.290.0100.08020.73
5.5.280.0100.07720.64
5.5.270.0100.07020.82
5.5.260.0000.09020.91
5.5.250.0130.07320.63
5.5.240.0030.07020.25
5.5.230.0070.06320.24
5.5.220.0130.07020.28
5.5.210.0070.04320.21
5.5.200.0170.06720.29
5.5.190.0000.07020.23
5.5.180.0070.06720.16
5.5.160.0070.04320.19
5.5.150.0030.04020.22
5.5.140.0030.04020.24
5.5.130.0030.03720.27
5.5.120.0070.03320.26
5.5.110.0070.03720.23
5.5.100.0030.04019.95
5.5.90.0000.04020.09
5.5.80.0030.04020.18
5.5.70.0030.04020.06
5.5.60.0030.04020.01
5.5.50.0030.04020.06
5.5.40.0070.04019.96
5.5.30.0030.04020.11
5.5.20.0070.03720.14
5.5.10.0000.04320.05
5.5.00.0030.04320.12
5.4.450.0070.08019.47
5.4.440.0030.06019.34
5.4.430.0130.05319.45
5.4.420.0200.06719.45
5.4.410.0000.04719.07
5.4.400.0070.07318.88
5.4.390.0030.05018.98
5.4.380.0070.07719.17
5.4.370.0000.08019.18
5.4.360.0100.06319.14
5.4.350.0070.05019.12
5.4.340.0170.05019.05
5.4.320.0170.03319.05
5.4.310.0030.04019.19
5.4.300.0000.04019.14
5.4.290.0070.04019.16
5.4.280.0100.03318.95
5.4.270.0070.03318.91
5.4.260.0000.04018.95
5.4.250.0030.03719.14
5.4.240.0000.04019.13
5.4.230.0030.03719.18
5.4.220.0030.04019.04
5.4.210.0100.05018.87
5.4.200.0130.06319.22
5.4.190.0070.07719.04
5.4.180.0030.04019.13
5.4.170.0030.04019.20
5.4.160.0000.04319.01
5.4.150.0030.04719.02
5.4.140.0030.04316.50
5.4.130.0070.03316.48
5.4.120.0100.03016.50
5.4.110.0100.03016.49
5.4.100.0030.06316.52
5.4.90.0030.03316.49
5.4.80.0030.03316.38
5.4.70.0030.03316.38
5.4.60.0100.03016.33
5.4.50.0000.04016.46
5.4.40.0130.07316.50
5.4.30.0030.04316.25
5.4.20.0100.04716.36
5.4.10.0070.03316.39
5.4.00.0030.03015.88
5.3.290.0030.04014.78
5.3.280.0000.04314.71
5.3.270.0070.05314.70
5.3.260.0070.03314.67
5.3.250.0100.04014.61
5.3.240.0030.03714.70
5.3.230.0070.04014.53
5.3.220.0030.04314.69
5.3.210.0100.03314.71
5.3.200.0070.05314.64
5.3.190.0000.04714.69
5.3.180.0030.03714.49
5.3.170.0030.03714.54
5.3.160.0070.03314.60
5.3.150.0130.03014.55
5.3.140.0000.04014.55
5.3.130.0000.04014.52
5.3.120.0030.03714.49
5.3.110.0000.04014.61
5.3.100.0070.03313.98
5.3.90.0030.03714.13
5.3.80.0030.03714.02
5.3.70.0000.04014.02
5.3.60.0070.03314.13
5.3.50.0030.05314.01
5.3.40.0030.03313.93
5.3.30.0000.04013.90
5.3.20.0030.03313.71
5.3.10.0030.03013.77
5.3.00.0030.03313.62
5.2.170.0000.03011.21
5.2.160.0000.03011.24
5.2.150.0030.03011.15
5.2.140.0000.05711.06
5.2.130.0000.03010.99
5.2.120.0030.02711.21
5.2.110.0070.02310.99
5.2.100.0000.03011.11
5.2.90.0000.03011.09
5.2.80.0000.03310.99
5.2.70.0000.03011.11
5.2.60.0000.03310.97
5.2.50.0000.03311.07
5.2.40.0000.06011.03
5.2.30.0000.03011.11
5.2.20.0030.06310.99
5.2.10.0030.06310.97
5.2.00.0070.04310.63
5.1.60.0000.0339.98
5.1.50.0030.05010.05
5.1.40.0030.0539.99
5.1.30.0000.05710.30
5.1.20.0130.05010.38
5.1.10.0100.05010.06
5.1.00.0030.05310.07
5.0.50.0030.0408.62
5.0.40.0070.0278.45
5.0.30.0000.0608.24
5.0.20.0000.0308.04
5.0.10.0030.0408.02
5.0.00.0030.0638.27
4.4.90.0030.0137.50
4.4.80.0000.0177.50
4.4.70.0000.0337.50
4.4.60.0000.0377.50
4.4.50.0070.0307.50
4.4.40.0000.0477.50
4.4.30.0000.0407.50
4.4.20.0000.0377.50
4.4.10.0000.0377.50
4.4.00.0000.0537.50
4.3.110.0030.0337.50
4.3.100.0000.0207.50
4.3.90.0000.0207.50
4.3.80.0030.0537.50
4.3.70.0030.0307.50
4.3.60.0000.0277.50
4.3.50.0100.0177.50
4.3.40.0070.0207.50
4.3.30.0000.0307.50
4.3.20.0070.0337.50
4.3.10.0000.0337.50
4.3.00.0030.0177.50

preferences:
47.41 ms | 401 KiB | 5 Q