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)
8.3.60.0110.00416.88
8.3.50.0200.00317.62
8.3.40.0090.00618.92
8.3.30.0170.00318.67
8.3.20.0050.00318.90
8.3.10.0030.00620.45
8.3.00.0040.00419.38
8.2.180.0160.00616.35
8.2.170.0030.01022.96
8.2.160.0140.00020.87
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0040.00420.82
8.2.100.0000.01217.72
8.2.90.0030.00719.34
8.2.80.0000.00719.34
8.2.70.0090.00017.50
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0030.00618.11
8.2.20.0070.00017.52
8.2.10.0070.00017.68
8.2.00.0000.00717.61
8.1.280.0040.01225.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.42
8.1.230.0040.00820.79
8.1.220.0030.00517.74
8.1.210.0000.00818.79
8.1.200.0030.00617.36
8.1.190.0040.00417.51
8.1.180.0000.00818.10
8.1.170.0000.00818.71
8.1.160.0040.00418.83
8.1.150.0000.00718.64
8.1.140.0040.00417.43
8.1.130.0070.00017.83
8.1.120.0000.00917.39
8.1.110.0040.00417.34
8.1.100.0000.00817.40
8.1.90.0000.00717.31
8.1.80.0050.00317.43
8.1.70.0040.00417.37
8.1.60.0060.00317.42
8.1.50.0080.00017.45
8.1.40.0000.00817.51
8.1.30.0040.00417.54
8.1.20.0070.00017.55
8.1.10.0040.00417.63
8.1.00.0030.00517.50
8.0.300.0000.00719.78
8.0.290.0000.00716.63
8.0.280.0000.00818.38
8.0.270.0000.00817.12
8.0.260.0060.00016.82
8.0.250.0050.00316.93
8.0.240.0070.00316.93
8.0.230.0000.00817.00
8.0.220.0000.00716.89
8.0.210.0000.00716.90
8.0.200.0000.00716.93
8.0.190.0000.00716.95
8.0.180.0000.00716.75
8.0.170.0000.00816.95
8.0.160.0040.00316.88
8.0.150.0030.00616.85
8.0.140.0000.00816.88
8.0.130.0030.00313.38
8.0.120.0050.00316.82
8.0.110.0000.00716.93
8.0.100.0040.00416.74
8.0.90.0030.00516.86
8.0.80.0120.00916.83
8.0.70.0000.00716.85
8.0.60.0040.00416.75
8.0.50.0050.00216.76
8.0.30.0060.01217.02
8.0.20.0080.02017.06
8.0.10.0040.00416.78
8.0.00.0080.00916.83
7.4.330.0050.00012.94
7.4.320.0040.00416.34
7.4.300.0060.00016.64
7.4.290.0040.00416.53
7.4.280.0030.00516.59
7.4.270.0030.00316.58
7.4.260.0020.00213.31
7.4.250.0090.00016.60
7.4.240.0000.00816.53
7.4.230.0030.00316.61
7.4.220.0030.01616.57
7.4.210.0070.01016.51
7.4.200.0040.00416.56
7.4.190.0000.00716.47
7.4.160.0030.01316.54
7.4.150.0060.01216.40
7.4.140.0120.00516.51
7.4.130.0060.01016.52
7.4.120.0040.01416.46
7.4.110.0070.01116.49
7.4.100.0140.01016.35
7.4.90.0130.00616.44
7.4.80.0140.00319.39
7.4.70.0090.00916.74
7.4.60.0110.00816.47
7.4.50.0000.00416.51
7.4.40.0030.01016.36
7.4.30.0030.01416.42
7.4.00.0060.01214.86
7.3.330.0070.00013.17
7.3.320.0030.00313.35
7.3.310.0030.00316.34
7.3.300.0000.00716.40
7.3.290.0100.00616.33
7.3.280.0060.01316.33
7.3.270.0060.01016.27
7.3.260.0030.01316.36
7.3.250.0120.00716.35
7.3.240.0130.00416.22
7.3.230.0140.00316.33
7.3.210.0130.00316.32
7.3.200.0140.00316.60
7.3.190.0160.00316.52
7.3.180.0040.01116.44
7.3.170.0090.00916.35
7.3.160.0070.01716.45
7.3.120.0090.00614.94
7.2.330.0090.00916.32
7.2.320.0100.00916.66
7.2.310.0070.01816.57
7.2.300.0150.00016.33
7.2.290.0130.00416.69
7.2.80.0030.00916.36
7.2.60.0030.00916.89
7.1.200.0060.00615.70
7.1.100.0000.01117.86
7.1.70.0000.00817.28
7.1.60.0090.01219.40
7.1.50.0070.00316.91
7.1.00.0030.06022.33
7.0.200.0170.00714.71
7.0.140.0070.07022.09
7.0.120.0070.03022.13
7.0.60.0070.05019.90
7.0.50.0100.07717.88
7.0.40.0030.05720.30
7.0.30.0270.03720.25
7.0.20.0300.08320.09
7.0.10.0100.05020.12
7.0.00.0070.08020.09
5.6.280.0070.07021.08
5.6.210.0130.04020.66
5.6.200.0070.04318.18
5.6.190.0000.05020.57
5.6.180.0330.06720.63
5.6.170.0170.08020.54
5.6.160.0070.08720.57
5.6.150.0030.04018.18
5.6.140.0030.08718.18
5.6.130.0070.09018.12
5.6.120.0100.08320.90
5.6.110.0100.08021.13
5.6.100.0170.07321.01
5.6.90.0070.04721.10
5.6.80.0030.04320.37
5.5.350.0000.04020.47
5.5.340.0030.04318.10
5.5.330.0000.06320.43
5.5.320.0230.04720.25
5.5.310.0270.04720.27
5.5.300.0130.07018.04
5.5.290.0100.08017.95
5.5.280.0000.04320.90
5.5.270.0100.06020.84
5.5.260.0130.07720.65
5.5.250.0100.07720.78
5.5.240.0270.03720.25
5.4.450.0130.05719.21
5.4.440.0070.04019.52
5.4.430.0070.03719.58
5.4.420.0030.04019.56
5.4.410.0000.04019.36
5.4.400.0030.03719.15
5.4.390.0000.04318.83
5.4.380.0030.03718.85
5.4.370.0000.04319.14
5.4.360.0000.04019.14
5.4.350.0030.04018.85
5.4.340.0000.04019.16
5.4.320.0030.03718.88
5.4.310.0000.04019.15
5.4.300.0030.03719.12
5.4.290.0030.03718.83
5.4.280.0070.03718.97
5.4.270.0070.03318.85
5.4.260.0070.03319.24
5.4.250.0170.03019.00
5.4.240.0070.04319.11
5.4.230.0070.03319.07
5.4.220.0070.07019.13
5.4.210.0130.07018.84
5.4.200.0000.04719.14
5.4.190.0030.04019.16
5.4.180.0030.05019.09
5.4.170.0030.07718.84
5.4.160.0070.07019.12
5.4.150.0000.04319.16
5.4.140.0170.03316.55
5.4.130.0070.05316.34
5.4.120.0070.04016.55
5.4.110.0070.04716.50
5.4.100.0130.05716.42
5.4.90.0070.04016.43
5.4.80.0100.06316.31
5.4.70.0100.04716.31
5.4.60.0030.08016.39
5.4.50.0030.04716.52
5.4.40.0070.06016.43
5.4.30.0130.06016.27
5.4.20.0000.04716.34
5.4.10.0030.04716.43
5.4.00.0030.07315.89
5.3.290.0030.04314.69
5.3.280.0070.07714.75
5.3.270.0070.06714.64
5.3.260.0070.06314.52
5.3.250.0000.05014.63
5.3.240.0100.05014.78
5.3.230.0030.06314.59
5.3.220.0030.04014.64
5.3.210.0100.07014.45
5.3.200.0100.04314.62
5.3.190.0030.05014.56
5.3.180.0070.07014.64
5.3.170.0100.04014.60
5.3.160.0070.07314.71
5.3.150.0130.07314.62
5.3.140.0100.05714.55
5.3.130.0100.04314.61
5.3.120.0070.05014.55
5.3.110.0170.04714.53
5.3.100.0030.05714.07
5.3.90.0000.04314.04
5.3.80.0070.07313.95
5.3.70.0070.07713.94
5.3.60.0130.06713.98
5.3.50.0100.06714.11
5.3.40.0030.03714.13
5.3.30.0070.07714.05
5.3.20.0030.04013.66
5.3.10.0030.06013.66
5.3.00.0030.07013.79
5.2.170.0070.04311.23
5.2.160.0000.06311.21
5.2.150.0000.03311.16
5.2.140.0100.03311.29
5.2.130.0070.02711.27
5.2.120.0070.02711.16
5.2.110.0030.05311.02
5.2.100.0000.04011.27
5.2.90.0130.05311.10
5.2.80.0030.05711.15
5.2.70.0000.03311.10
5.2.60.0100.03011.09
5.2.50.0130.05011.06
5.2.40.0070.06011.00
5.2.30.0070.06010.93
5.2.20.0100.04310.85
5.2.10.0030.06010.94
5.2.00.0000.04310.77
5.1.60.0100.04010.14
5.1.50.0030.05010.04
5.1.40.0000.05710.13
5.1.30.0030.06010.37
5.1.20.0070.04010.36
5.1.10.0030.04010.22
5.1.00.0100.05710.05
5.0.50.0100.0308.93
5.0.40.0000.0408.93
5.0.30.0030.0478.93
5.0.20.0070.0378.93
5.0.10.0000.0278.93
5.0.00.0030.0608.93
4.4.90.0000.0308.93
4.4.80.0070.0338.93
4.4.70.0030.0338.93
4.4.60.0030.0308.93
4.4.50.0030.0238.93
4.4.40.0100.0408.93
4.4.30.0070.0178.93
4.4.20.0030.0378.93
4.4.10.0030.0338.93
4.4.00.0000.0408.93
4.3.110.0030.0178.93
4.3.100.0000.0378.93
4.3.90.0000.0308.93
4.3.80.0000.0338.93
4.3.70.0000.0208.93
4.3.60.0070.0308.93
4.3.50.0000.0278.93
4.3.40.0000.0308.93
4.3.30.0030.0138.93
4.3.20.0000.0408.93
4.3.10.0000.0338.93
4.3.00.0070.0278.93

preferences:
44.89 ms | 401 KiB | 5 Q