3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function deleteMe(&$obj) { unset($obj); } } class Bar extends Foo { public function __construct() { $foo = new Foo(); var_dump($foo); Foo::deleteMe($foo); var_dump($foo); } } $bar = new Bar();

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)
8.3.60.0090.01218.43
8.3.50.0220.00921.20
8.3.40.0070.00718.42
8.3.30.0030.01018.77
8.3.20.0030.00620.18
8.3.10.0000.00821.95
8.3.00.0050.00322.39
8.2.180.0060.00916.50
8.2.170.0100.00622.96
8.2.160.0140.00019.07
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0050.00326.16
8.2.120.0060.00319.54
8.2.110.0030.00622.16
8.2.100.0090.00317.97
8.2.90.0090.00019.16
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0050.00317.68
8.2.50.0030.00618.07
8.2.40.0080.00018.09
8.2.30.0040.00418.05
8.2.20.0000.00717.58
8.2.10.0040.00417.56
8.2.00.0040.00417.48
8.1.280.0140.00025.92
8.1.270.0040.00422.14
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0030.00723.96
8.1.230.0060.00619.16
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00717.22
8.1.190.0000.00817.41
8.1.180.0080.00020.48
8.1.170.0040.00418.51
8.1.160.0000.00722.19
8.1.150.0000.00718.41
8.1.140.0000.00717.46
8.1.130.0030.00317.82
8.1.120.0040.00417.47
8.1.110.0000.00817.39
8.1.100.0000.00717.45
8.1.90.0000.00717.42
8.1.80.0000.00717.44
8.1.70.0000.00817.28
8.1.60.0000.00917.55
8.1.50.0040.00417.42
8.1.40.0000.00717.39
8.1.30.0000.00717.53
8.1.20.0040.00417.64
8.1.10.0040.00417.46
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0060.00317.18
8.0.280.0070.00018.28
8.0.270.0030.00517.23
8.0.260.0000.00816.76
8.0.250.0030.00316.86
8.0.240.0080.00016.89
8.0.230.0000.00716.74
8.0.220.0030.00416.80
8.0.210.0040.00416.69
8.0.200.0000.00716.85
8.0.190.0000.00816.84
8.0.180.0070.00016.75
8.0.170.0090.00016.84
8.0.160.0050.00216.79
8.0.150.0050.00316.84
8.0.140.0070.00016.73
8.0.130.0090.00013.31
8.0.120.0050.00316.79
8.0.110.0040.00416.69
8.0.100.0040.00416.61
8.0.90.0030.00416.73
8.0.80.0030.01316.78
8.0.70.0000.00716.88
8.0.60.0050.00216.64
8.0.50.0000.00716.63
8.0.30.0060.01217.22
8.0.20.0120.01017.40
8.0.10.0000.00716.81
8.0.00.0070.01016.83
7.4.330.0000.00515.05
7.4.320.0060.00016.49
7.4.300.0070.00016.63
7.4.290.0030.00316.51
7.4.280.0030.00316.58
7.4.270.0030.00316.51
7.4.260.0040.00416.47
7.4.250.0040.00416.45
7.4.240.0020.00516.56
7.4.230.0070.00016.47
7.4.220.0090.00616.36
7.4.210.0020.01216.59
7.4.200.0000.00716.38
7.4.190.0030.00316.53
7.4.160.0130.01016.67
7.4.150.0170.00017.40
7.4.140.0120.01017.86
7.4.130.0120.00716.57
7.4.120.0090.01016.38
7.4.110.0070.01016.44
7.4.100.0090.01216.59
7.4.90.0070.01016.50
7.4.80.0080.00819.39
7.4.70.0120.00616.36
7.4.60.0100.01216.49
7.4.50.0080.00016.17
7.4.40.0030.01322.77
7.4.30.0090.00616.59
7.4.00.0100.00714.86
7.3.330.0000.00513.22
7.3.320.0000.00513.25
7.3.310.0000.00716.23
7.3.300.0040.00416.20
7.3.290.0160.00316.28
7.3.280.0080.00816.25
7.3.270.0100.00617.40
7.3.260.0070.01716.27
7.3.250.0090.01116.31
7.3.240.0150.00316.17
7.3.230.0150.00416.41
7.3.210.0080.00816.43
7.3.200.0060.01019.39
7.3.190.0060.01616.43
7.3.180.0060.00916.41
7.3.170.0060.01616.39
7.3.160.0080.00816.20
7.3.120.0080.00814.63
7.3.10.0170.00316.16
7.3.00.0130.00316.20
7.2.330.0070.01016.75
7.2.320.0060.01016.38
7.2.310.0070.01016.60
7.2.300.0170.00416.70
7.2.290.0110.00616.54
7.2.130.0050.01016.17
7.2.120.0130.00916.40
7.2.110.0080.01616.84
7.2.100.0080.00316.07
7.2.90.0170.00716.79
7.2.80.0200.00315.88
7.2.70.0070.00716.48
7.2.60.0120.00516.66
7.2.50.0130.00916.13
7.2.40.0000.01416.23
7.2.30.0110.00016.49
7.2.20.0130.00016.33
7.2.10.0100.00016.45
7.2.00.0090.00616.71
7.1.250.0070.01115.08
7.1.200.0060.00615.38
7.1.100.0240.00717.19
7.1.70.0000.00817.11
7.1.60.0080.01519.82
7.1.50.0070.01716.87
7.1.00.0070.04322.28
7.0.200.0000.00916.78
7.0.140.0100.06721.93
7.0.60.0070.07319.88
7.0.50.0100.05017.88
7.0.40.0070.07720.26
7.0.30.0270.08020.26
7.0.20.0330.07020.10
7.0.10.0070.04720.34
7.0.00.0100.08320.25
5.6.280.0100.06720.89
5.6.210.0070.06020.73
5.6.200.0030.04018.18
5.6.190.0100.04720.48
5.6.180.0530.05020.50
5.6.170.0430.08020.48
5.6.160.0130.07720.55
5.6.150.0030.06718.24
5.6.140.0030.09018.28
5.6.130.0130.03718.27
5.6.120.0030.06021.12
5.6.110.0130.08321.04
5.6.100.0030.04021.08
5.6.90.0030.05721.00
5.6.80.0000.04020.43
5.5.350.0100.09020.31
5.5.340.0030.07718.05
5.5.330.0100.07320.29
5.5.320.0230.04320.36
5.5.310.0200.04320.25
5.5.300.0070.08017.91
5.5.290.0070.07017.96
5.5.280.0100.04020.77
5.5.270.0100.05020.76
5.5.260.0070.05720.86
5.5.250.0130.07720.58
5.5.240.0030.06020.27
5.4.450.0230.07019.39
5.4.440.0630.05319.38
5.4.430.0230.05019.63
5.4.420.0200.04719.21
5.4.410.0070.06319.41
5.4.400.1300.05318.71
5.4.390.0070.05718.57
5.4.380.0970.05718.81
5.4.370.0170.04718.56
5.4.360.0230.04318.77
5.4.350.0130.05318.74
5.4.340.0070.06018.50
5.4.320.0060.03812.50
5.4.310.0060.04212.50
5.4.300.0060.05812.50
5.4.290.0080.04112.50
5.4.280.0100.03712.40
5.4.270.0090.03612.39
5.4.260.0100.05318.99
5.4.250.0130.06318.97
5.4.240.0100.07718.91
5.4.230.0170.05018.96
5.4.220.0030.06018.79
5.4.210.0130.05018.94
5.4.200.0100.05718.99
5.4.190.0270.03318.95
5.4.180.0130.05018.64
5.4.170.0100.05318.94
5.4.160.0100.05718.78
5.4.150.0070.05718.89
5.4.140.0100.05316.44
5.4.130.0030.05316.48
5.4.120.0100.07316.63
5.4.110.0130.05316.49
5.4.100.0030.05316.52
5.4.90.0070.04716.54
5.4.80.0100.05016.57
5.4.70.0100.06016.55
5.4.60.0100.05716.54
5.4.50.0170.06716.41
5.4.40.0130.04716.51
5.4.30.0000.07716.34
5.4.20.0130.06316.45
5.4.10.0130.06316.37
5.4.00.0170.06016.04
5.3.290.0060.04112.80
5.3.280.0170.05314.67
5.3.270.0130.07014.67
5.3.260.0100.07714.58
5.3.250.0100.07014.75
5.3.240.0100.04714.58
5.3.230.0200.06014.78
5.3.220.0070.05314.79
5.3.210.0100.05314.59
5.3.200.0070.05314.56
5.3.190.0100.07314.65
5.3.180.0100.05014.65
5.3.170.0100.05314.73
5.3.160.0070.06014.65
5.3.150.0200.05714.73
5.3.140.0230.05714.55
5.3.130.0070.05714.73
5.3.120.0130.06714.69
5.3.110.0130.06714.53
5.3.100.0100.04714.13
5.3.90.0100.05314.00
5.3.80.0130.04314.15
5.3.70.0130.04314.05
5.3.60.0100.04314.09
5.3.50.0100.04713.97
5.3.40.0170.04714.04
5.3.30.0100.04713.88
5.3.20.0200.05313.68
5.3.10.0170.06013.83
5.3.00.0070.05313.71
5.2.170.0100.04011.21
5.2.160.0130.03311.05
5.2.150.0070.04011.12
5.2.140.0070.06011.23
5.2.130.0100.04011.19
5.2.120.0100.05011.21
5.2.110.0100.05011.16
5.2.100.0030.04311.18
5.2.90.0100.04711.09
5.2.80.0130.03311.16
5.2.70.0070.04010.93
5.2.60.0100.05711.04
5.2.50.0100.06010.86
5.2.40.0070.05711.09
5.2.30.0100.04710.93
5.2.20.0200.03710.91
5.2.10.0130.03710.95
5.2.00.0070.04010.71
5.1.60.0070.03710.00
5.1.50.0000.03710.00
5.1.40.0100.0479.93
5.1.30.0100.05010.17
5.1.20.0100.03010.34
5.1.10.0030.05310.27
5.1.00.0070.03310.04
5.0.50.0100.0208.54
5.0.40.0070.0378.46
5.0.30.0000.0508.38
5.0.20.0100.0208.19
5.0.10.0070.0238.41
5.0.00.0000.0438.08
4.4.90.0030.0307.36
4.4.80.0070.0277.36
4.4.70.0000.0277.36
4.4.60.0000.0277.36
4.4.50.0030.0307.34
4.4.40.0070.0407.34
4.4.30.0030.0207.34
4.4.20.0030.0237.34
4.4.10.0000.0277.34
4.4.00.0000.0377.34
4.3.110.0030.0207.34
4.3.100.0030.0277.34
4.3.90.0070.0207.34
4.3.80.0000.0337.34
4.3.70.0030.0207.34
4.3.60.0030.0277.34
4.3.50.0070.0277.34
4.3.40.0070.0377.17
4.3.30.0000.0276.93
4.3.20.0030.0206.78
4.3.10.0070.0176.77
4.3.00.0030.0207.63

preferences:
48.52 ms | 401 KiB | 5 Q