3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected static $_instance; protected function __construct() {} public static function getInstance() { if (self::$_instance === null) { self::$_instance = new static(); } return self::$_instance; } } class B extends A { public function hi() { echo 'HI'; } } echo get_class(B::getInstance()); B::hi();

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)
8.3.60.0110.01118.43
8.3.50.0140.00821.04
8.3.40.0090.00618.97
8.3.30.0000.01418.96
8.3.20.0110.00420.19
8.3.10.0080.00021.85
8.3.00.0050.00319.69
8.2.180.0110.00418.41
8.2.170.0100.01022.96
8.2.160.0070.01320.29
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00417.75
8.2.110.0030.00719.09
8.2.100.0030.00917.84
8.2.90.0030.00519.09
8.2.80.0030.00717.97
8.2.70.0050.00317.61
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0050.00319.46
8.2.30.0080.00020.51
8.2.20.0040.00417.83
8.2.10.0050.00317.92
8.2.00.0030.00618.10
8.1.280.0060.00925.92
8.1.270.0090.00623.82
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00323.92
8.1.230.0070.00317.46
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00817.22
8.1.190.0060.00317.23
8.1.180.0030.00618.10
8.1.170.0080.00018.55
8.1.160.0050.00321.95
8.1.150.0040.00418.75
8.1.140.0080.00017.30
8.1.130.0000.00717.76
8.1.120.0040.00417.45
8.1.110.0000.00717.40
8.1.100.0050.00317.41
8.1.90.0000.00717.46
8.1.80.0000.00817.24
8.1.70.0030.00317.40
8.1.60.0000.00717.48
8.1.50.0030.00617.42
8.1.40.0040.00417.38
8.1.30.0040.00417.70
8.1.20.0040.00417.67
8.1.10.0040.00417.48
8.1.00.0060.00317.38
8.0.300.0040.00418.77
8.0.290.0030.00616.88
8.0.280.0050.00318.37
8.0.270.0070.00017.19
8.0.260.0030.00317.21
8.0.250.0000.00716.99
8.0.240.0000.00817.04
8.0.230.0030.00316.91
8.0.220.0090.00016.91
8.0.210.0000.00816.90
8.0.200.0050.00216.87
8.0.190.0070.00316.93
8.0.180.0050.00316.77
8.0.170.0080.00016.99
8.0.160.0040.00416.88
8.0.150.0040.00416.82
8.0.140.0060.00616.83
8.0.130.0060.00013.31
8.0.120.0000.00816.98
8.0.110.0040.00416.75
8.0.100.0030.00516.78
8.0.90.0040.00416.88
8.0.80.0100.00616.96
8.0.70.0000.00716.91
8.0.60.0050.00316.76
8.0.50.0000.00816.80
8.0.30.0060.01317.02
8.0.20.0110.00717.40
8.0.10.0040.00416.91
8.0.00.0090.00916.89
7.4.330.0070.00015.08
7.4.320.0060.00016.55
7.4.300.0030.00616.49
7.4.290.0040.00416.61
7.4.280.0070.00016.52
7.4.270.0000.00716.55
7.4.260.0070.00016.48
7.4.250.0000.00716.42
7.4.240.0020.00516.55
7.4.230.0030.00316.54
7.4.220.0120.00616.50
7.4.210.0130.00616.55
7.4.200.0000.00716.45
7.4.160.0050.01016.58
7.4.150.0030.01417.40
7.4.140.0140.00517.86
7.4.130.0070.01016.63
7.4.120.0100.00816.54
7.4.110.0030.01516.32
7.4.100.0100.00716.52
7.4.90.0070.01116.64
7.4.80.0080.00919.39
7.4.70.0090.01216.59
7.4.60.0130.00316.45
7.4.50.0040.00416.44
7.4.40.0120.00616.66
7.4.30.0090.00816.59
7.4.00.0030.01414.86
7.3.330.0050.00013.35
7.3.320.0060.00013.15
7.3.310.0030.00316.38
7.3.300.0000.00716.36
7.3.290.0030.01216.37
7.3.280.0110.01116.36
7.3.270.0070.01117.40
7.3.260.0120.00616.64
7.3.250.0120.00416.25
7.3.240.0130.00816.30
7.3.230.0070.01016.39
7.3.210.0040.01216.42
7.3.200.0070.01416.27
7.3.190.0130.00716.37
7.3.180.0080.00816.38
7.3.170.0090.00916.39
7.3.160.0170.00316.43
7.2.330.0120.00616.38
7.2.320.0070.01516.58
7.2.310.0060.00916.76
7.2.300.0100.00716.75
7.2.290.0070.01016.51
7.2.110.0140.00516.72
7.2.60.0100.00317.09
7.2.00.0000.01219.38
7.1.200.0030.00315.70
7.1.100.0070.00418.03
7.1.70.0060.00917.19
7.1.60.0070.01719.19
7.1.50.0040.01916.61
7.1.00.0000.07722.48
7.0.200.0040.00416.68
7.0.60.0000.08720.11
7.0.50.0070.07717.96
7.0.40.0100.08320.04
7.0.30.0300.04020.10
7.0.20.0370.07020.16
7.0.10.0100.07020.18
7.0.00.0200.06320.06
5.6.280.0030.06321.05
5.6.210.0030.08320.56
5.6.200.0100.04318.22
5.6.190.0030.09320.52
5.6.180.0430.05720.41
5.6.170.0200.04720.55
5.6.160.0070.08020.70
5.6.150.0070.06718.25
5.6.140.0000.05318.18
5.6.130.0030.08318.28
5.6.120.0070.08320.87
5.6.110.0070.08321.12
5.6.100.0200.05721.01
5.6.90.0200.07720.97
5.6.80.0030.06320.39
5.5.350.0070.07720.38
5.5.340.0070.06317.99
5.5.330.0200.07320.45
5.5.320.0570.05720.27
5.5.310.0100.04720.24
5.5.300.0100.08018.08
5.5.290.0070.07317.98
5.5.280.0100.08020.80
5.5.270.0100.04720.78
5.5.260.0100.06720.79
5.5.250.0030.05720.69
5.5.240.0230.06720.16
5.4.450.0100.06019.70
5.4.440.0130.06019.60
5.4.430.0270.04319.58
5.4.420.0170.05019.30
5.4.410.0300.06719.06
5.4.400.0130.07319.15
5.4.390.0170.05319.13
5.4.380.0130.05319.24
5.4.370.0130.05318.87
5.4.360.0100.06019.29
5.4.350.0170.05319.23
5.4.340.0230.05319.29
5.4.320.0170.05319.01
5.4.310.0200.04719.28
5.4.300.0130.06019.26
5.4.290.0070.05718.88
5.4.280.0170.06019.14
5.4.270.0100.05319.30
5.4.260.0170.04718.84
5.4.250.0130.05319.30
5.4.240.0100.06019.14
5.4.230.0070.06019.36
5.4.220.0070.06018.98
5.4.210.0100.05319.14
5.4.200.0070.05719.14
5.4.190.0100.05319.13
5.4.180.0170.04718.82
5.4.170.0130.05719.27
5.4.160.0100.05719.26
5.4.150.0070.06319.13
5.4.140.0130.05316.41
5.4.130.0130.06316.76
5.4.120.0230.04016.46
5.4.110.0230.06016.67
5.4.100.0200.04716.54
5.4.90.0170.05316.66
5.4.80.0130.06016.32
5.4.70.0230.06716.57
5.4.60.0270.06716.43
5.4.50.0070.07316.51
5.4.40.0270.07316.33
5.4.30.0430.04016.53
5.4.20.0200.03716.38

preferences:
58.61 ms | 401 KiB | 5 Q