3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private static $instance; public static function getInstance() { if (null === static::$instance = new self) { static::$instance = new self; } return static::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)
8.3.60.0120.00318.81
8.3.50.0060.00916.30
8.3.40.0110.00418.79
8.3.30.0030.01018.80
8.3.20.0040.00420.34
8.3.10.0000.01521.94
8.3.00.0070.00021.91
8.2.180.0090.00616.75
8.2.170.0040.01122.96
8.2.160.0070.01019.05
8.2.150.0110.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00721.08
8.2.120.0120.00326.35
8.2.110.0060.00322.11
8.2.100.0110.00017.91
8.2.90.0030.00517.90
8.2.80.0080.00017.97
8.2.70.0000.00817.75
8.2.60.0060.00317.89
8.2.50.0000.00818.07
8.2.40.0030.00622.33
8.2.30.0100.00019.48
8.2.20.0000.00817.81
8.2.10.0040.00417.94
8.2.00.0040.00418.10
8.1.280.0040.01125.92
8.1.270.0000.01522.14
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0040.00422.42
8.1.230.0060.00620.90
8.1.220.0080.00017.74
8.1.210.0040.00718.89
8.1.200.0000.00817.35
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0000.00720.72
8.1.150.0020.00520.66
8.1.140.0060.00319.57
8.1.130.0030.00317.70
8.1.120.0050.00217.46
8.1.110.0040.00417.42
8.1.100.0080.00017.45
8.1.90.0040.00417.45
8.1.80.0050.00317.46
8.1.70.0070.00017.45
8.1.60.0040.00417.65
8.1.50.0030.00617.54
8.1.40.0080.00417.55
8.1.30.0040.00417.70
8.1.20.0060.00317.50
8.1.10.0000.00717.47
8.1.00.0000.00717.42
8.0.300.0030.00319.88
8.0.290.0040.00416.63
8.0.280.0040.00418.44
8.0.270.0000.00717.31
8.0.260.0030.00317.26
8.0.250.0000.00716.89
8.0.240.0040.00416.94
8.0.230.0030.00317.06
8.0.220.0030.00316.82
8.0.210.0040.00416.85
8.0.200.0050.00216.86
8.0.190.0000.00817.05
8.0.180.0080.00016.95
8.0.170.0040.00416.99
8.0.160.0040.00316.94
8.0.150.0000.00816.94
8.0.140.0040.00416.79
8.0.130.0000.00513.34
8.0.120.0000.00816.93
8.0.110.0040.00416.82
8.0.100.0040.00416.89
8.0.90.0080.00016.98
8.0.80.0090.00816.93
8.0.70.0030.00516.82
8.0.60.0050.00216.76
8.0.50.0030.00616.92
8.0.30.0110.00917.06
8.0.20.0110.00717.40
8.0.10.0050.00217.02
8.0.00.0080.01216.75
7.4.330.0050.00016.83
7.4.320.0000.00616.60
7.4.300.0030.00316.49
7.4.290.0030.00616.48
7.4.280.0040.00416.50
7.4.270.0000.00616.55
7.4.260.0070.00016.55
7.4.250.0000.00716.55
7.4.240.0060.00216.63
7.4.230.0040.00416.41
7.4.220.0070.01116.60
7.4.210.0140.00016.46
7.4.200.0030.00316.34
7.4.160.0060.01016.45
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0090.01216.51
7.4.120.0090.00816.55
7.4.110.0080.00816.71
7.4.100.0110.01116.47
7.4.90.0090.00916.51
7.4.80.0030.01319.39
7.4.70.0170.00016.66
7.4.60.0070.01016.50
7.4.50.0090.00616.54
7.4.40.0160.00016.48
7.4.30.0120.00616.62
7.4.00.0030.01315.04
7.3.330.0000.00513.44
7.3.320.0030.00313.38
7.3.310.0050.00216.22
7.3.300.0000.00716.22
7.3.290.0090.00716.39
7.3.280.0060.01216.33
7.3.270.0120.00617.40
7.3.260.0120.00616.29
7.3.240.0120.00616.39
7.3.230.0110.00716.47
7.3.210.0130.00316.61
7.3.200.0080.01119.39
7.3.190.0200.00416.37
7.3.180.0060.01216.55
7.3.170.0150.00916.55
7.3.160.0090.00616.44
7.3.120.0070.01114.98
7.3.110.0030.01614.91
7.3.100.0090.00614.70
7.3.90.0060.00314.79
7.3.80.0080.00314.79
7.3.70.0090.00614.58
7.3.60.0070.00714.97
7.3.50.0040.00414.70
7.3.40.0030.01314.73
7.3.30.0030.00614.86
7.3.20.0050.00516.57
7.3.10.0090.00316.87
7.3.00.0110.00416.47
7.2.330.0100.00716.79
7.2.320.0070.01016.67
7.2.310.0030.01316.74
7.2.300.0120.00616.76
7.2.290.0110.00516.69
7.2.250.0090.00615.21
7.2.240.0090.01215.18
7.2.230.0140.00314.98
7.2.220.0110.00315.32
7.2.210.0060.00614.95
7.2.200.0070.01014.98
7.2.190.0060.00914.84
7.2.180.0030.01014.94
7.2.170.0100.00714.94
7.2.60.0090.00616.82
7.2.00.0080.00319.14
7.1.330.0060.00615.75
7.1.320.0030.01015.58
7.1.310.0120.00415.54
7.1.300.0030.00515.70
7.1.290.0040.01115.87
7.1.280.0030.01315.36
7.1.270.0090.00315.71
7.1.260.0000.01115.63
7.1.200.0030.00615.41
7.1.100.0070.00718.07
7.1.70.0090.00017.06
7.1.60.0070.01719.28
7.1.50.0100.01016.78
7.1.00.0000.08022.45
7.0.200.0030.00716.72
7.0.60.0000.07021.72
7.0.50.0070.08017.88
7.0.40.0030.06020.24
7.0.30.0270.04720.11
7.0.20.0200.07320.12
7.0.10.0100.06320.19
7.0.00.0230.07320.07
5.6.280.0130.03721.13
5.6.210.0100.04720.75
5.6.200.0030.04018.16
5.6.190.0170.07720.62
5.6.180.0230.05320.58
5.6.170.0330.03020.39
5.6.160.0030.08020.50
5.6.150.0030.09318.23
5.6.140.0000.08718.15
5.6.130.0000.04318.19
5.6.120.0200.03721.15
5.6.110.0100.05020.98
5.6.100.0130.03721.01
5.6.90.0130.07721.12
5.6.80.0130.07020.42
5.5.350.2330.06020.41
5.5.340.0100.07018.02
5.5.330.0030.08320.56
5.5.320.0670.06020.36
5.5.310.0330.06320.50
5.5.300.0070.08318.07
5.5.290.0100.03317.98
5.5.280.0070.07720.80
5.5.270.0070.08720.95
5.5.260.0130.07020.89
5.5.250.0130.07720.79
5.5.240.0130.04720.29

preferences:
39.38 ms | 400 KiB | 5 Q