3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $id; public function __construct() { $this->id = 1; } public function __toString() { return $id . ""; } public function setId($id) { $this->id = $id; } } $a = new Foo; // $a is a pointer pointing to Foo object 0 $b = $a; // $b is a pointer pointing to Foo object 0, however, $b is a copy of $a $a->setId(5); unset($b); var_dump($b);

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)
8.3.60.0100.01018.68
8.3.50.0110.00822.04
8.3.40.0110.00718.97
8.3.30.0060.00919.09
8.3.20.0030.00520.39
8.3.10.0040.00421.77
8.3.00.0030.00519.51
8.2.180.0070.01116.63
8.2.170.0110.00422.96
8.2.160.0070.00722.21
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0150.00426.16
8.2.120.0040.00421.16
8.2.110.0000.01122.13
8.2.100.0120.00017.84
8.2.90.0070.00019.17
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00817.93
8.2.50.0030.00618.07
8.2.40.0050.00318.34
8.2.30.0070.00418.11
8.2.20.0050.00317.62
8.2.10.0050.00217.93
8.2.00.0080.00017.61
8.1.280.0140.00025.92
8.1.270.0080.00022.14
8.1.260.0000.00826.35
8.1.250.0060.00928.09
8.1.240.0090.00023.87
8.1.230.0120.00019.16
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.25
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0000.00918.64
8.1.160.0050.00522.05
8.1.150.0050.00218.93
8.1.140.0000.00717.32
8.1.130.0000.00717.87
8.1.120.0000.00817.45
8.1.110.0000.00817.47
8.1.100.0040.00417.35
8.1.90.0000.00717.41
8.1.80.0050.00217.46
8.1.70.0000.00717.40
8.1.60.0060.00317.57
8.1.50.0040.00417.43
8.1.40.0020.00517.46
8.1.30.0080.00017.54
8.1.20.0000.00717.55
8.1.10.0040.00417.47
8.1.00.0070.00017.49
8.0.300.0000.00818.77
8.0.290.0060.00316.75
8.0.280.0000.00818.40
8.0.270.0000.00717.18
8.0.260.0070.00017.23
8.0.250.0040.00417.06
8.0.240.0000.00616.90
8.0.230.0000.00716.96
8.0.220.0030.00616.85
8.0.210.0070.00016.85
8.0.200.0000.00716.91
8.0.190.0040.00417.04
8.0.180.0000.00716.94
8.0.170.0000.00816.98
8.0.160.0000.00717.02
8.0.150.0040.00316.85
8.0.140.0050.00516.95
8.0.130.0030.00313.42
8.0.120.0000.00716.92
8.0.110.0020.00517.00
8.0.100.0070.00016.82
8.0.90.0070.00016.91
8.0.80.0040.01216.88
8.0.70.0020.00516.83
8.0.60.0040.00416.90
8.0.50.0000.00817.00
8.0.30.0110.00817.29
8.0.20.0100.00917.40
8.0.10.0000.00716.95
8.0.00.0110.00616.86
7.4.330.0050.00015.07
7.4.320.0000.00616.56
7.4.300.0060.00016.61
7.4.290.0000.00716.41
7.4.280.0040.00416.48
7.4.270.0000.00716.40
7.4.260.0040.00416.56
7.4.250.0040.00416.57
7.4.240.0020.00516.47
7.4.230.0000.00716.71
7.4.220.0130.01016.68
7.4.210.0120.00416.69
7.4.200.0000.00716.43
7.4.160.0090.00616.49
7.4.150.0120.00617.40
7.4.140.0080.01217.86
7.4.130.0100.00816.56
7.4.120.0050.01216.52
7.4.110.0100.00716.40
7.4.100.0110.00716.46
7.4.90.0060.01216.51
7.4.80.0090.00619.39
7.4.70.0060.01216.48
7.4.60.0080.00916.49
7.4.50.0040.00416.45
7.4.40.0110.00616.54
7.4.30.0130.00316.55
7.4.00.0030.00714.91
7.3.330.0060.00013.27
7.3.320.0060.00013.53
7.3.310.0070.00016.37
7.3.300.0070.00016.39
7.3.290.0070.00716.43
7.3.280.0090.01116.41
7.3.270.0100.00717.40
7.3.260.0230.00016.38
7.3.250.0090.01016.38
7.3.240.0130.00316.60
7.3.230.0060.01316.39
7.3.210.0120.00616.38
7.3.200.0130.01019.39
7.3.190.0130.00316.42
7.3.180.0090.00716.44
7.3.170.0140.00316.65
7.3.160.0120.00316.33
7.3.120.0040.00814.86
7.3.10.0080.00416.14
7.3.00.0120.00816.25
7.2.330.0080.00816.46
7.2.320.0090.00916.52
7.2.310.0060.01216.65
7.2.300.0160.00016.66
7.2.290.0130.01016.46
7.2.130.0030.01616.11
7.2.120.0120.01216.74
7.2.110.0070.01016.34
7.2.100.0090.00916.25
7.2.90.0200.00716.59
7.2.80.0170.00916.38
7.2.70.0160.00316.52
7.2.60.0190.00816.61
7.2.50.0070.01016.71
7.2.40.0250.00416.63
7.2.30.0080.00816.58
7.2.20.0060.00916.80
7.2.10.0080.01316.42
7.2.00.0060.00918.13
7.1.250.0150.00015.54
7.1.200.0040.00815.77
7.1.100.0030.00917.98
7.1.70.0000.00717.31
7.1.60.0080.00419.25
7.1.50.0150.01117.04
7.1.00.0130.06722.28
7.0.200.0110.00316.61
7.0.140.0030.07322.09
7.0.110.0130.06719.86
7.0.100.0170.07319.94
7.0.90.0100.08019.95
7.0.80.0070.04319.95
7.0.70.0030.08319.85
7.0.60.0070.07320.04
7.0.50.0100.07720.18
7.0.40.0100.07320.27
7.0.30.0170.08020.20
7.0.20.0100.07720.28
7.0.10.0000.08320.11
7.0.00.0070.07720.04
5.6.280.0000.07720.96
5.6.260.0100.04020.60
5.6.250.0170.03720.60
5.6.240.0100.07320.71
5.6.230.0100.05720.72
5.6.220.0070.08020.85
5.6.210.0130.07020.59
5.6.200.0100.08021.00
5.6.190.0100.04720.96
5.6.180.0070.08320.93
5.6.170.0100.07320.96
5.6.160.0070.07321.15
5.6.150.0130.07021.02
5.6.140.0130.07721.09
5.6.130.0100.08021.25
5.6.120.0070.04020.96
5.6.110.0100.06021.22
5.6.100.0100.04321.08
5.6.90.0030.04321.27
5.6.80.0000.04320.58
5.6.70.0000.04320.32
5.6.60.0030.04020.52
5.6.50.0030.04020.48
5.6.40.0030.05720.50
5.6.30.0000.07320.42
5.6.20.0030.04020.65
5.6.10.0070.08020.50
5.6.00.0030.06720.33
5.5.380.0100.08020.37
5.5.370.0070.08320.25
5.5.360.0100.04720.24
5.5.350.0100.07320.46
5.5.340.0070.08020.71
5.5.330.0170.07020.97
5.5.320.0030.06020.79
5.5.310.0170.07320.89
5.5.300.0030.06020.88
5.5.290.0070.07720.83
5.5.280.0000.04721.04
5.5.270.0070.07020.84
5.5.260.0100.03720.69
5.5.250.0070.03720.80
5.5.240.0030.04020.13
5.5.230.0070.03720.29
5.5.220.0030.04020.16
5.5.210.0000.04320.09
5.5.200.0100.03320.33
5.5.190.0030.04320.34
5.5.180.0000.04020.33
5.5.160.0100.07020.10
5.5.150.0100.03320.13
5.5.140.0100.03320.25
5.5.130.0000.04020.16
5.5.120.0030.04720.37
5.5.110.0000.04320.39
5.5.100.0030.04020.03
5.5.90.0000.04020.05
5.5.80.0000.04020.05
5.5.70.0100.03720.24
5.5.60.0030.04320.17
5.5.50.0000.04020.07
5.5.40.0030.03720.03
5.5.30.0000.04019.98
5.5.20.0070.04020.03
5.5.10.0070.03719.93
5.5.00.0070.03720.22
5.4.450.0130.05019.42
5.4.440.0000.06019.55
5.4.430.0070.04019.50
5.4.420.0030.07719.35
5.4.410.0100.03319.21
5.4.400.0070.03319.09
5.4.390.0030.04019.09
5.4.380.0000.04019.18
5.4.370.0030.06019.02
5.4.360.0070.03019.18
5.4.350.0130.06319.09
5.4.340.0000.07318.95
5.4.320.0070.06719.23
5.4.310.0000.04318.98
5.4.300.0000.04018.94
5.4.290.0070.06019.31
5.4.280.0130.04319.09
5.4.270.0030.03719.18
5.4.260.0030.03719.34
5.4.250.0100.03718.99
5.4.240.0000.04319.01
5.4.230.0030.04319.32
5.4.220.0100.03319.13
5.4.210.0000.04019.01
5.4.200.0070.06018.97
5.4.190.0100.04319.30
5.4.180.0030.04319.21
5.4.170.0000.04319.17
5.4.160.0030.04018.96
5.4.150.0030.04019.16
5.4.140.0000.04016.54
5.4.130.0000.04016.34
5.4.120.0070.06716.44
5.4.110.0030.03716.55
5.4.100.0030.03716.42
5.4.90.0030.04716.55
5.4.80.0100.03016.45
5.4.70.0030.03316.48
5.4.60.0100.05716.54
5.4.50.0100.07016.47
5.4.40.0070.07716.39
5.4.30.0070.06716.62
5.4.20.0130.06716.48
5.4.10.0000.08016.39
5.4.00.0030.07716.04
5.3.290.0170.03714.70
5.3.280.0000.04714.64
5.3.270.0030.03714.64
5.3.260.0030.03714.60
5.3.250.0130.05314.83
5.3.240.0000.04014.75
5.3.230.0100.02714.83
5.3.220.0070.05014.80
5.3.210.0030.04714.57
5.3.200.0070.03314.56
5.3.190.0030.03714.80
5.3.180.0070.03314.42
5.3.170.0000.04014.65
5.3.160.0030.07714.42
5.3.150.0100.04014.71
5.3.140.0130.07314.79
5.3.130.0100.07014.41
5.3.120.0070.07714.54
5.3.110.0070.04714.55
5.3.100.0100.07314.27
5.3.90.0170.06314.15
5.3.80.0070.07713.89
5.3.70.0070.07713.88
5.3.60.0030.08014.13
5.3.50.0000.08013.99
5.3.40.0030.07713.93
5.3.30.0070.05014.05
5.3.20.0000.07313.71
5.3.10.0030.06313.65
5.3.00.0070.07313.70
5.2.170.0030.06012.99
5.2.160.0030.06712.99
5.2.150.0170.05312.99
5.2.140.0030.05312.99
5.2.130.0070.05012.99
5.2.120.0070.06312.99
5.2.110.0030.06312.99
5.2.100.0070.06012.99
5.2.90.0030.06312.99
5.2.80.0070.05712.99
5.2.70.0070.06712.99
5.2.60.0030.06012.99
5.2.50.0070.06012.99
5.2.40.0100.05312.99
5.2.30.0030.06312.99
5.2.20.0030.06012.99
5.2.10.0000.06312.99
5.2.00.0030.06312.99
5.1.60.0070.05312.99
5.1.50.0000.05712.99
5.1.40.0030.04312.99
5.1.30.0070.05312.99
5.1.20.0030.04712.99
5.1.10.0030.05312.99
5.1.00.0030.05712.99
5.0.50.0130.03712.99
5.0.40.0030.04712.99
5.0.30.0070.05712.99
5.0.20.0000.03712.99
5.0.10.0030.04312.99
5.0.00.0070.06012.99
4.4.90.0000.02012.99
4.4.80.0030.02312.99
4.4.70.0030.03312.99
4.4.60.0030.03312.99
4.4.50.0000.02712.99
4.4.40.0030.05712.99
4.4.30.0000.02012.99
4.4.20.0100.02712.99
4.4.10.0000.03712.99
4.4.00.0000.05012.99
4.3.110.0000.03712.99
4.3.100.0000.03012.99
4.3.90.0100.02712.99
4.3.80.0030.03312.99
4.3.70.0070.03012.99
4.3.60.0030.03312.99
4.3.50.0070.03312.99
4.3.40.0000.05012.99
4.3.30.0000.03712.99
4.3.20.0070.03012.99
4.3.10.0030.03712.99
4.3.00.0000.03712.99

preferences:
39.32 ms | 401 KiB | 5 Q