3v4l.org

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

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)
8.3.70.0070.00718.30
8.3.60.0030.01718.56
8.3.50.0120.00621.92
8.3.40.0110.00418.70
8.3.30.0100.00319.22
8.3.20.0140.00320.35
8.3.10.0040.00423.48
8.3.00.0020.00522.43
8.2.190.0090.00616.58
8.2.180.0070.00716.50
8.2.170.0110.00422.96
8.2.160.0090.00622.02
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0090.00019.36
8.2.110.0040.00422.29
8.2.100.0000.01117.84
8.2.90.0040.00419.22
8.2.80.0000.00818.03
8.2.70.0070.00417.63
8.2.60.0090.00317.90
8.2.50.0040.00418.07
8.2.40.0000.00718.22
8.2.30.0000.00817.94
8.2.20.0040.00417.65
8.2.10.0080.00019.57
8.2.00.0030.00617.76
8.1.280.0180.00025.92
8.1.270.0130.00322.19
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.96
8.1.230.0070.00318.95
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0110.00017.35
8.1.190.0040.00417.41
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0070.00021.96
8.1.150.0030.00718.63
8.1.140.0030.00517.51
8.1.130.0000.00917.81
8.1.120.0050.00217.35
8.1.110.0050.00317.34
8.1.100.0000.00917.38
8.1.90.0000.00817.46
8.1.80.0040.00417.36
8.1.70.0000.00717.43
8.1.60.0030.00617.61
8.1.50.0000.00917.39
8.1.40.0040.00417.48
8.1.30.0030.00617.66
8.1.20.0000.00817.49
8.1.10.0040.00417.48
8.1.00.0000.00717.42
8.0.300.0000.00718.77
8.0.290.0000.00817.05
8.0.280.0030.00318.36
8.0.270.0000.00717.32
8.0.260.0000.00616.70
8.0.250.0040.00417.01
8.0.240.0050.00216.95
8.0.230.0000.00716.93
8.0.220.0070.00016.90
8.0.210.0070.00016.77
8.0.200.0000.00716.98
8.0.190.0000.00816.96
8.0.180.0040.00416.84
8.0.170.0080.00016.93
8.0.160.0000.00816.83
8.0.150.0000.00716.75
8.0.140.0030.00516.91
8.0.130.0000.00613.39
8.0.120.0040.00416.85
8.0.110.0050.00216.96
8.0.100.0000.00816.99
8.0.90.0040.00416.80
8.0.80.0030.01316.91
8.0.70.0000.00916.93
8.0.60.0000.00716.96
8.0.50.0070.00016.86
8.0.30.0100.00916.87
8.0.20.0130.00617.40
8.0.10.0050.00317.05
8.0.00.0100.01116.65
7.4.330.0000.00515.07
7.4.320.0030.00316.51
7.4.300.0040.00416.42
7.4.290.0000.00716.57
7.4.280.0000.00716.59
7.4.270.0030.00316.61
7.4.260.0050.00516.49
7.4.250.0030.00516.48
7.4.240.0050.00216.55
7.4.230.0030.00316.53
7.4.220.0090.00916.61
7.4.210.0090.00616.57
7.4.200.0080.00016.70
7.4.190.0030.00616.59
7.4.160.0040.01216.42
7.4.150.0100.00717.40
7.4.140.0080.01217.86
7.4.130.0090.00916.51
7.4.120.0070.01016.59
7.4.110.0120.01216.69
7.4.100.0090.01416.31
7.4.90.0090.00816.56
7.4.80.0130.00716.48
7.4.70.0110.00816.49
7.4.60.0110.01116.32
7.4.50.0000.00716.51
7.4.40.0040.01122.77
7.4.30.0090.01316.45
7.4.00.0100.00714.82
7.3.330.0050.00013.36
7.3.320.0000.00513.13
7.3.310.0000.00816.36
7.3.300.0030.00316.35
7.3.290.0080.00816.34
7.3.280.0070.00916.33
7.3.270.0140.01117.40
7.3.260.0120.00616.41
7.3.250.0080.01016.32
7.3.240.0110.00816.32
7.3.230.0100.00716.39
7.3.210.0140.00316.42
7.3.200.0100.00719.39
7.3.190.0100.01216.21
7.3.180.0090.00616.36
7.3.170.0110.00516.59
7.3.160.0090.00616.45
7.3.120.0090.00714.90
7.3.110.0090.00914.65
7.3.100.0020.01514.73
7.3.90.0070.00714.87
7.3.80.0070.00814.84
7.3.70.0080.00814.67
7.3.60.0090.00714.92
7.3.50.0070.00714.76
7.3.40.0060.00614.75
7.3.30.0070.00714.75
7.3.20.0060.01016.58
7.3.10.0040.01116.64
7.3.00.0080.00516.36
7.2.330.0090.00816.86
7.2.320.0070.01416.25
7.2.310.0070.01016.88
7.2.300.0120.00616.68
7.2.290.0120.01216.54
7.2.250.0060.01015.22
7.2.240.0070.00915.03
7.2.230.0030.01215.25
7.2.220.0060.00714.91
7.2.210.0110.00615.18
7.2.200.0050.00515.03
7.2.190.0040.00915.01
7.2.180.0110.00515.04
7.2.170.0050.01014.93
7.2.130.0140.01116.22
7.2.120.0080.01116.49
7.2.110.0150.00316.91
7.2.100.0110.00816.83
7.2.90.0190.00816.41
7.2.80.0110.01416.58
7.2.70.0220.00717.10
7.2.60.0040.01216.60
7.2.50.0180.00016.97
7.2.40.0110.00816.53
7.2.30.0240.00316.41
7.2.20.0090.00916.84
7.2.10.0160.00316.74
7.2.00.0100.00717.71
7.1.330.0090.00515.72
7.1.320.0100.00615.78
7.1.310.0060.01015.64
7.1.300.0050.00715.74
7.1.290.0030.01315.66
7.1.280.0040.00715.69
7.1.270.0020.01315.60
7.1.260.0050.00615.65
7.1.250.0130.00615.14
7.1.200.0070.00715.84
7.1.100.0030.00917.93
7.1.70.0090.00317.11
7.1.60.0000.01619.24
7.1.50.0100.01016.99
7.1.00.0130.06322.54
7.0.200.0090.00316.87
7.0.140.0030.07021.95
7.0.60.0100.03320.04
7.0.50.0030.04317.99
7.0.40.0100.04020.15
7.0.30.0430.04720.28
7.0.20.0370.07320.19
7.0.10.0100.08020.19
7.0.00.0030.09320.06
5.6.280.0030.07321.16
5.6.210.0030.04020.66
5.6.200.0030.04318.22
5.6.190.0170.07320.50
5.6.180.0330.07720.62
5.6.170.0330.07720.71
5.6.160.0130.07720.62
5.6.150.0070.05318.15
5.6.140.0070.04018.15
5.6.130.0100.06318.17
5.6.120.0170.07721.14
5.6.110.0200.07020.99
5.6.100.0030.05320.98
5.6.90.0130.07321.11
5.6.80.0030.08720.49
5.6.70.2870.03320.40
5.5.350.0130.08020.45
5.5.340.0030.04318.05
5.5.330.0030.09020.21
5.5.320.0300.07020.36
5.5.310.0170.04720.19
5.5.300.0100.05317.98
5.5.290.0130.04017.95
5.5.280.0030.04320.95
5.5.270.0070.08320.90
5.5.260.0100.08320.88
5.5.250.0070.09020.66
5.5.240.0030.07020.13
5.4.450.0370.05319.57
5.4.440.0300.07019.54
5.4.430.0330.05019.39
5.4.420.0200.08319.41
5.4.410.0230.05319.43
5.4.400.0170.07718.88
5.4.390.0300.06019.25
5.4.380.0270.06719.24
5.4.370.0270.04719.16
5.4.360.0230.07319.24
5.4.350.0330.06019.22
5.4.340.0230.05018.88
5.4.320.0200.07019.31
5.4.310.0200.07018.86
5.4.300.0230.04319.16
5.4.290.0330.06018.98
5.4.280.0230.06318.98
5.4.270.0270.07319.15
5.4.260.0230.07718.87
5.4.250.0200.05719.09
5.4.240.0230.04018.84
5.4.230.0330.04318.94
5.4.220.0230.08019.15
5.4.210.0270.04719.21
5.4.200.0270.03319.18
5.4.190.0200.07719.21
5.4.180.0270.05319.12
5.4.170.0230.07319.23
5.4.160.0330.05319.20
5.4.150.0200.04319.14
5.4.140.0270.03716.37
5.4.130.0270.06016.39
5.4.120.0370.05716.46
5.4.110.0200.06316.61
5.4.100.0200.04716.59
5.4.90.0330.04316.41
5.4.80.0230.04716.54
5.4.70.0270.06716.31
5.4.60.0270.07016.53
5.4.50.0300.06716.59
5.4.40.0300.06716.38
5.4.30.0300.06016.53
5.4.20.0270.04316.55
5.4.10.0170.08016.16
5.4.00.0170.06315.80
5.3.290.0370.05314.59
5.3.280.0230.04014.75
5.3.270.0300.03314.61
5.3.260.0270.06014.70
5.3.250.0170.05714.58
5.3.240.0200.07714.52
5.3.230.0200.07014.83
5.3.220.0170.07314.49
5.3.210.0270.06014.56
5.3.200.0300.06714.65
5.3.190.0230.06014.79
5.3.180.0270.07014.46
5.3.170.0270.07014.49
5.3.160.0130.05714.59
5.3.150.0270.05314.79
5.3.140.0270.06014.47
5.3.130.0230.05014.52
5.3.120.0200.06714.52
5.3.110.0330.06014.55
5.3.100.0230.04014.09
5.3.90.0270.07014.00
5.3.80.0230.06713.94
5.3.70.0300.04314.25
5.3.60.0230.03013.92
5.3.50.0170.04014.08
5.3.40.0300.06013.95
5.3.30.0200.07713.92
5.3.20.0230.04713.69
5.3.10.0230.04713.67
5.3.00.0230.04313.65
5.2.170.0200.03312.10
5.2.160.0130.03012.10
5.2.150.0170.04012.10
5.2.140.0170.04312.10
5.2.130.0270.04712.10
5.2.120.0200.05712.10
5.2.110.0130.06712.10
5.2.100.0170.04012.10
5.2.90.0170.04312.10
5.2.80.0200.04012.10
5.2.70.0200.04712.10
5.2.60.0200.03712.10
5.2.50.0300.03712.10
5.2.40.0170.04012.10
5.2.30.0130.03012.10
5.2.20.0270.05312.10
5.2.10.0200.06012.10
5.2.00.0130.03712.10
5.1.60.0130.05312.10
5.1.50.0130.05312.10
5.1.40.0170.05312.10
5.1.30.0230.04712.10
5.1.20.0200.04012.10
5.1.10.0170.05012.10
5.1.00.0270.04312.10
5.0.50.0130.02312.10
5.0.40.0100.04012.10
5.0.30.0070.05012.10
5.0.20.0100.03312.10
5.0.10.0070.04312.10
5.0.00.0130.05712.10
4.4.90.0100.03012.10
4.4.80.0070.03312.10
4.4.70.0100.02712.10
4.4.60.0070.03712.10
4.4.50.0100.03012.10
4.4.40.0100.05012.10
4.4.30.0100.03012.10
4.4.20.0100.03712.10
4.4.10.0030.03012.10
4.4.00.0100.03712.10
4.3.110.0130.03312.10
4.3.100.0070.03712.10
4.3.90.0070.03712.10
4.3.80.0030.04712.10
4.3.70.0100.03312.10
4.3.60.0100.02312.10
4.3.50.0100.02012.10
4.3.40.0070.02712.10
4.3.30.0070.02712.10
4.3.20.0100.02012.10
4.3.10.0030.04012.10
4.3.00.0030.02712.10

preferences:
52.53 ms | 401 KiB | 5 Q