3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test{ protected static $_instance = NULL; public static function getInstance() { if( ! self::$_instance instanceof self) { self::$_instance = new self; } return self::$_instance; } } test::getInstance(); test::getInstance();

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)
8.3.60.0110.01116.50
8.3.50.0140.00616.66
8.3.40.0090.00618.67
8.3.30.0150.00018.79
8.3.20.0050.00318.53
8.3.10.0030.00520.58
8.3.00.0030.00519.15
8.2.180.0160.00316.50
8.2.170.0130.00622.96
8.2.160.0140.00021.07
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0030.00520.73
8.2.110.0000.00921.11
8.2.100.0070.00417.84
8.2.90.0000.01119.34
8.2.80.0050.00219.32
8.2.70.0030.00617.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00417.88
8.2.30.0040.00418.04
8.2.20.0000.00717.79
8.2.10.0040.00417.72
8.2.00.0100.00017.68
8.1.280.0110.00325.92
8.1.270.0050.00324.66
8.1.260.0000.00926.35
8.1.250.0000.00728.09
8.1.240.0060.00322.48
8.1.230.0080.00420.75
8.1.220.0000.00817.74
8.1.210.0080.00818.80
8.1.200.0060.00317.36
8.1.190.0000.00717.66
8.1.180.0000.00918.10
8.1.170.0040.00418.91
8.1.160.0040.00418.88
8.1.150.0000.00718.68
8.1.140.0000.00717.45
8.1.130.0030.00317.93
8.1.120.0040.00417.42
8.1.110.0000.00817.48
8.1.100.0000.00717.41
8.1.90.0040.00417.36
8.1.80.0040.00317.49
8.1.70.0100.00017.37
8.1.60.0030.00517.61
8.1.50.0080.00017.45
8.1.40.0040.00417.49
8.1.30.0080.00017.66
8.1.20.0000.00817.65
8.1.10.0070.00017.50
8.1.00.0000.00817.47
8.0.300.0040.00419.98
8.0.290.0070.00016.61
8.0.280.0030.00318.43
8.0.270.0040.00417.25
8.0.260.0000.00816.81
8.0.250.0100.00016.89
8.0.240.0030.00316.88
8.0.230.0040.00416.83
8.0.220.0030.00616.89
8.0.210.0000.00716.77
8.0.200.0040.00416.99
8.0.190.0000.00716.98
8.0.180.0000.00816.74
8.0.170.0040.00416.74
8.0.160.0030.00316.86
8.0.150.0000.00716.85
8.0.140.0060.00316.68
8.0.130.0050.00013.25
8.0.120.0080.00016.88
8.0.110.0070.00016.88
8.0.100.0050.00316.71
8.0.90.0080.00016.82
8.0.80.0070.00716.86
8.0.70.0040.00416.77
8.0.60.0070.00016.91
8.0.50.0050.00316.78
8.0.30.0130.01116.99
8.0.20.0110.01316.86
8.0.10.0050.00217.04
8.0.00.0070.01016.75
7.4.330.0020.00213.05
7.4.320.0030.00316.55
7.4.300.0000.00816.39
7.4.290.0070.00016.50
7.4.280.0040.00416.52
7.4.270.0000.00716.58
7.4.260.0000.00613.21
7.4.250.0000.00916.58
7.4.240.0040.00316.63
7.4.230.0000.00716.33
7.4.220.0030.01716.34
7.4.210.0050.01016.57
7.4.200.0040.00416.40
7.4.190.0080.00016.36
7.4.160.0060.01616.39
7.4.150.0100.01016.41
7.4.140.0080.00816.44
7.4.130.0100.00916.52
7.4.120.0140.00516.43
7.4.110.0060.01116.54
7.4.100.0160.00016.59
7.4.90.0180.00616.44
7.4.80.0060.01219.39
7.4.70.0040.01216.48
7.4.60.0120.00316.58
7.4.50.0060.00616.35
7.4.40.0070.00716.55
7.4.30.0060.00916.49
7.4.00.0070.00715.04
7.3.330.0060.00013.38
7.3.320.0000.00513.31
7.3.310.0040.00416.17
7.3.300.0000.00716.30
7.3.290.0030.01116.21
7.3.280.0080.00816.28
7.3.270.0110.00516.23
7.3.260.0070.01116.26
7.3.250.0170.00816.29
7.3.240.0030.01316.32
7.3.230.0060.00916.22
7.3.210.0120.00416.57
7.3.200.0130.00316.37
7.3.190.0060.01316.50
7.3.180.0060.00916.29
7.3.170.0080.00816.35
7.3.160.0060.00916.32
7.3.120.0030.01314.49
7.2.330.0120.00716.56
7.2.320.0130.00616.71
7.2.310.0100.01016.51
7.2.300.0100.00716.73
7.2.290.0060.01216.62
7.2.00.0000.01519.52
7.1.100.0050.00818.18
7.1.70.0000.00717.17
7.1.60.0110.01419.40
7.1.50.0120.00916.84
7.1.00.0030.07722.54
7.0.200.0030.00616.56
7.0.140.0030.06722.06
7.0.120.0030.06722.16
7.0.60.0070.07721.80
7.0.50.0200.07017.86
7.0.40.0070.04720.04
7.0.30.0400.06720.06
7.0.20.0270.07320.05
7.0.10.0070.06320.24
7.0.00.0030.06020.06
5.6.280.0000.07321.12
5.6.210.0130.07720.57
5.6.200.0070.07718.16
5.6.190.0170.07720.43
5.6.180.0230.06720.52
5.6.170.0470.07020.47
5.6.160.0270.03020.53
5.6.150.0070.07318.18
5.6.140.0030.04018.14
5.6.130.0130.07718.17
5.6.120.0030.04020.95
5.6.110.0100.09020.98
5.6.100.0030.04321.01
5.6.90.0130.07721.04
5.6.80.0100.07720.39
5.5.350.0100.08720.40
5.5.340.0030.08318.02
5.5.330.0030.04320.38
5.5.320.0530.07320.29
5.5.310.0170.04020.26
5.5.300.0070.04017.95
5.5.290.0000.04317.96
5.5.280.0030.04720.66
5.5.270.0200.07720.77
5.5.260.0070.06720.79
5.5.250.0030.08720.59
5.5.240.0130.03020.12
5.4.450.0130.05719.47
5.4.440.0030.04019.48
5.4.430.0070.07719.16
5.4.420.0170.03719.18
5.4.410.0030.07719.34
5.4.400.0100.05719.25
5.4.390.0130.06719.16
5.4.380.0100.07018.98
5.4.370.0070.04319.27
5.4.360.0100.04319.08
5.4.350.0030.08019.15
5.4.340.0070.04318.86
5.4.320.0070.07719.14
5.4.310.0000.05018.86
5.4.300.0030.04719.24
5.4.290.0070.03718.85
5.4.280.0030.07719.14
5.4.270.0070.07319.00
5.4.260.0000.06019.14
5.4.250.0030.04719.23
5.4.240.0100.04018.91
5.4.230.0100.03018.84
5.4.220.0030.07718.92
5.4.210.0100.07718.97
5.4.200.0100.03319.02
5.4.190.0000.06018.84
5.4.180.0130.06719.23
5.4.170.0070.04019.13
5.4.160.0030.04718.83
5.4.150.0070.03718.83
5.4.140.0000.04016.42
5.4.130.0070.03716.38
5.4.120.0030.03316.26
5.4.110.0000.04016.37
5.4.100.0030.03716.27
5.4.90.0030.03716.46
5.4.80.0070.03316.31
5.4.70.0070.03316.28
5.4.60.0000.03716.32
5.4.50.0070.03016.66
5.4.40.0070.03016.27
5.4.30.0000.04016.38
5.4.20.0000.03716.36
5.4.10.0000.03716.40
5.4.00.0030.03315.85
5.3.290.0070.07714.59
5.3.280.0170.06714.48
5.3.270.0000.04014.76
5.3.260.0030.03714.60
5.3.250.0170.02714.61
5.3.240.0030.03714.60
5.3.230.0070.04014.62
5.3.220.0070.03314.63
5.3.210.0030.03714.57
5.3.200.0030.03314.56
5.3.190.0030.03714.48
5.3.180.0000.03714.58
5.3.170.0000.04714.55
5.3.160.0000.04014.48
5.3.150.0030.03314.48
5.3.140.0030.04014.61
5.3.130.0100.03014.55
5.3.120.0070.03314.60
5.3.110.0000.04014.55
5.3.100.0070.03714.08
5.3.90.0030.03314.07
5.3.80.0030.03313.99
5.3.70.0000.03714.04
5.3.60.0000.03714.00
5.3.50.0000.03714.00
5.3.40.0000.03713.98
5.3.30.0000.03714.05
5.3.20.0070.03713.84
5.3.10.0030.03313.73
5.3.00.0030.03313.67
5.2.170.0000.03311.17
5.2.160.0030.03011.20
5.2.150.0030.03011.11
5.2.140.0000.03011.20
5.2.130.0000.03011.26
5.2.120.0030.02711.26
5.2.110.0000.03011.05
5.2.100.0030.02711.11
5.2.90.0030.02711.11
5.2.80.0030.04311.05
5.2.70.0070.02310.98
5.2.60.0030.02711.06
5.2.50.0030.03011.02
5.2.40.0000.04010.95
5.2.30.0070.03010.93
5.2.20.0070.05710.91
5.2.10.0000.03710.82
5.2.00.0030.06010.71
5.1.60.0100.04310.14
5.1.50.0030.03010.04
5.1.40.0030.0279.95
5.1.30.0030.05310.41
5.1.20.0000.03310.27
5.1.10.0100.02010.11
5.1.00.0030.03010.22
5.0.50.0030.0438.50
5.0.40.0030.0408.38
5.0.30.0000.0378.37
5.0.20.0000.0338.25
5.0.10.0030.0278.14
5.0.00.0030.0378.30
4.4.90.0030.0137.88
4.4.80.0000.0137.88
4.4.70.0000.0277.88
4.4.60.0000.0207.88
4.4.50.0000.0407.88
4.4.40.0030.0437.88
4.4.30.0000.0277.88
4.4.20.0030.0237.88
4.4.10.0030.0337.88
4.4.00.0030.0507.88
4.3.110.0030.0237.88
4.3.100.0070.0307.88
4.3.90.0030.0277.88
4.3.80.0070.0437.88
4.3.70.0030.0337.88
4.3.60.0000.0377.88
4.3.50.0030.0277.88
4.3.40.0070.0237.88
4.3.30.0000.0377.88
4.3.20.0000.0237.88
4.3.10.0000.0277.88
4.3.00.0000.0237.88

preferences:
45.25 ms | 401 KiB | 5 Q