3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $instance; public static function getInstance() { if (null === $this->instance) { $this->instance = new self; } return $this->instance; } } $a = A::getInstance(); var_dump($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)
8.3.70.0060.00918.43
8.3.60.0140.00016.75
8.3.50.0130.00521.02
8.3.40.0120.00318.66
8.3.30.0090.00918.71
8.3.20.0040.00420.16
8.3.10.0060.00323.51
8.3.00.0050.00221.85
8.2.190.0170.00716.58
8.2.180.0060.00916.75
8.2.170.0070.00722.96
8.2.160.0080.00620.37
8.2.150.0160.00324.18
8.2.140.0000.00724.66
8.2.130.0070.00021.00
8.2.120.0070.00726.35
8.2.110.0040.00420.99
8.2.100.0030.00717.93
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0030.00517.90
8.2.50.0080.00018.07
8.2.40.0000.00722.32
8.2.30.0030.00519.41
8.2.20.0050.00317.66
8.2.10.0030.00617.99
8.2.00.0040.00417.86
8.1.280.0070.01125.92
8.1.270.0070.00722.11
8.1.260.0030.00628.09
8.1.250.0000.00728.09
8.1.240.0070.00322.52
8.1.230.0040.00717.70
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0030.00517.00
8.1.180.0030.00518.10
8.1.170.0040.00418.66
8.1.160.0070.00020.63
8.1.150.0020.00520.55
8.1.140.0040.00419.39
8.1.130.0000.00817.61
8.1.120.0070.00017.37
8.1.110.0040.00417.32
8.1.100.0000.00717.34
8.1.90.0070.00017.35
8.1.80.0030.00717.38
8.1.70.0030.00317.32
8.1.60.0000.00817.53
8.1.50.0030.00517.48
8.1.40.0060.00317.48
8.1.30.0040.00417.49
8.1.20.0040.00417.50
8.1.10.0040.00417.50
8.1.00.0000.00817.29
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0040.00418.34
8.0.270.0050.00217.19
8.0.260.0060.00017.09
8.0.250.0030.00316.91
8.0.240.0030.00316.93
8.0.230.0050.00316.93
8.0.220.0000.00716.91
8.0.210.0030.00316.88
8.0.200.0030.00316.87
8.0.190.0040.00416.97
8.0.180.0070.00016.93
8.0.170.0070.00016.80
8.0.160.0080.00016.89
8.0.150.0040.00416.84
8.0.140.0080.00016.72
8.0.130.0000.00513.27
8.0.120.0030.00516.74
8.0.110.0040.00416.87
8.0.100.0040.00416.91
8.0.90.0080.00016.75
8.0.80.0110.01116.87
8.0.70.0000.00716.70
8.0.60.0050.00216.92
8.0.50.0000.00816.78
8.0.30.0100.00717.08
8.0.20.0110.00817.40
8.0.10.0050.00216.74
8.0.00.0100.00916.70
7.4.330.0050.00016.71
7.4.320.0030.00316.48
7.4.300.0030.00516.45
7.4.290.0060.00316.45
7.4.280.0040.00416.33
7.4.270.0030.00316.45
7.4.260.0000.00716.41
7.4.250.0070.00016.41
7.4.240.0020.00516.45
7.4.230.0000.00716.60
7.4.220.0110.01116.46
7.4.210.0040.01116.39
7.4.200.0030.00316.23
7.4.160.0040.01516.70
7.4.150.0100.00717.40
7.4.140.0170.01317.86
7.4.130.0130.00416.38
7.4.120.0070.00916.61
7.4.110.0030.01316.35
7.4.100.0110.01116.42
7.4.90.0070.01016.56
7.4.80.0040.01319.39
7.4.70.0040.01216.44
7.4.60.0030.01316.55
7.4.50.0070.01016.53
7.4.40.0060.01116.43
7.4.30.0100.01316.65
7.4.00.0090.00614.73
7.3.330.0020.00213.35
7.3.320.0020.00213.24
7.3.310.0020.00516.48
7.3.300.0040.00416.33
7.3.290.0130.00316.39
7.3.280.0100.00516.42
7.3.270.0080.00817.40
7.3.260.0030.01316.58
7.3.250.0110.00616.44
7.3.240.0100.00716.43
7.3.230.0120.00916.53
7.3.210.0130.00316.49
7.3.200.0090.01219.39
7.3.190.0160.00416.55
7.3.180.0100.00616.45
7.3.170.0100.00716.51
7.3.160.0180.00416.30
7.3.10.0080.00816.50
7.3.00.0070.00716.37
7.2.330.0000.01916.59
7.2.320.0120.00316.42
7.2.310.0070.01016.63
7.2.300.0070.01316.39
7.2.290.0030.01316.50
7.2.130.0020.01216.70
7.2.120.0060.00716.71
7.2.110.0050.00816.60
7.2.100.0050.00816.71
7.2.90.0070.00716.77
7.2.80.0110.00316.79
7.2.70.0020.01116.82
7.2.60.0020.01216.79
7.2.50.0080.00616.83
7.2.40.0040.00716.78
7.2.30.0020.00916.79
7.2.20.0060.00616.92
7.2.10.0020.01116.78
7.2.00.0060.00917.73
7.1.250.0050.00515.31
7.1.200.0050.00515.38
7.1.100.0040.00818.00
7.1.70.0000.00717.16
7.1.60.0100.01619.28
7.1.50.0070.01416.84
7.1.00.0030.07722.51
7.0.200.0080.00016.77
7.0.60.0070.05721.59
7.0.50.0100.07717.99
7.0.40.0200.06720.02
7.0.30.0300.07720.23
7.0.20.0170.04720.10
7.0.10.0130.07320.26
7.0.00.0030.06320.33
5.6.280.0000.06021.12
5.6.210.0130.06320.72
5.6.200.0030.06718.22
5.6.190.0030.06320.61
5.6.180.0330.07320.55
5.6.170.0230.04020.55
5.6.160.0070.05320.55
5.6.150.0070.07718.16
5.6.140.0070.05018.17
5.6.130.0100.03318.14
5.6.120.0030.05021.05
5.6.110.0130.08720.89
5.6.100.0070.07021.13
5.6.90.0100.08721.00
5.6.80.0100.04320.51
5.5.350.3970.04020.44
5.5.340.0230.04317.96
5.5.330.0100.06720.27
5.5.320.0470.05320.24
5.5.310.0270.07020.20
5.5.300.0030.07317.95
5.5.290.0100.08018.07
5.5.280.0000.06320.80
5.5.270.0070.04720.89
5.5.260.0070.05020.84
5.5.250.0100.07020.68
5.5.240.0170.07320.33

preferences:
67.63 ms | 401 KiB | 5 Q