3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $obj; } class Zoo { public $obj; public function setObj(&$obj) { $this->obj = $obj; } public function show() { var_dump($this->obj); } } class Bar {} class Baz {} $foo = new Foo(); $zoo = new Zoo(); $a = new Bar(); $b = new Baz(); //$zoo->obj = &$foo->obj; $foo->obj = new stdClass(); $zoo->setObj($foo->obj); $zoo->show(); $foo->obj = $a; $zoo->show(); $foo->obj = $b; $zoo->show();

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)
8.3.60.0140.00718.39
8.3.50.0100.01318.41
8.3.40.0070.00718.66
8.3.30.0150.00019.05
8.3.20.0040.00420.30
8.3.10.0080.00020.54
8.3.00.0040.00419.56
8.2.180.0140.00316.63
8.2.170.0070.00722.96
8.2.160.0170.00320.52
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.21
8.2.110.0090.00020.53
8.2.100.0050.00517.97
8.2.90.0040.00419.08
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0110.00017.80
8.2.50.0050.00718.07
8.2.40.0040.00418.20
8.2.30.0050.00319.28
8.2.20.0000.00717.70
8.2.10.0040.00418.00
8.2.00.0020.00517.50
8.1.280.0080.00825.92
8.1.270.0000.00922.19
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0080.00823.64
8.1.230.0080.00418.97
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0040.00417.36
8.1.180.0050.00318.10
8.1.170.0000.00818.63
8.1.160.0030.00521.96
8.1.150.0000.00718.90
8.1.140.0000.00817.41
8.1.130.0030.00517.75
8.1.120.0040.00417.33
8.1.110.0000.00817.36
8.1.100.0070.00017.42
8.1.90.0060.00617.33
8.1.80.0070.00017.31
8.1.70.0040.00417.29
8.1.60.0000.00817.61
8.1.50.0030.00617.40
8.1.40.0000.00817.38
8.1.30.0040.00417.64
8.1.20.0040.00417.59
8.1.10.0050.00217.39
8.1.00.0000.00717.34
8.0.300.0030.00318.77
8.0.290.0070.00016.63
8.0.280.0040.00418.30
8.0.270.0080.00017.20
8.0.260.0060.00017.21
8.0.250.0030.00316.78
8.0.240.0070.00016.77
8.0.230.0000.00716.80
8.0.220.0000.00716.75
8.0.210.0070.00016.72
8.0.200.0030.00316.86
8.0.190.0000.00916.89
8.0.180.0050.00316.89
8.0.170.0000.00816.74
8.0.160.0030.00316.78
8.0.150.0070.00016.68
8.0.140.0030.00416.84
8.0.130.0030.00313.31
8.0.120.0050.00216.84
8.0.110.0040.00416.91
8.0.100.0040.00416.73
8.0.90.0070.00016.63
8.0.80.0060.00916.82
8.0.70.0040.00416.78
8.0.60.0070.00016.81
8.0.50.0070.00016.91
8.0.30.0110.00817.00
8.0.20.0130.00917.40
8.0.10.0040.00416.95
8.0.00.0080.01216.67
7.4.330.0000.00615.00
7.4.320.0030.00516.50
7.4.300.0000.00616.43
7.4.290.0030.00616.49
7.4.280.0000.00816.62
7.4.270.0040.00416.52
7.4.260.0030.00516.50
7.4.250.0080.00016.62
7.4.240.0060.00216.62
7.4.230.0030.00316.42
7.4.220.0110.00716.41
7.4.210.0100.01016.64
7.4.200.0070.00016.68
7.4.160.0120.00316.48
7.4.150.0140.00417.40
7.4.140.0140.00617.86
7.4.130.0130.00316.40
7.4.120.0090.00916.54
7.4.110.0110.00616.36
7.4.100.0140.00716.51
7.4.90.0070.01016.54
7.4.80.0080.01116.39
7.4.70.0000.02216.39
7.4.60.0060.01216.53
7.4.50.0000.00816.21
7.4.40.0060.00916.41
7.4.30.0090.00616.50
7.4.00.0030.01514.91
7.3.330.0030.00313.23
7.3.320.0030.00313.32
7.3.310.0000.00616.34
7.3.300.0030.00316.34
7.3.290.0090.00616.39
7.3.280.0090.00516.33
7.3.270.0230.00017.40
7.3.260.0090.00816.32
7.3.250.0090.00916.36
7.3.240.0120.00816.65
7.3.230.0100.00616.39
7.3.210.0160.00016.57
7.3.200.0130.00419.39
7.3.190.0080.00816.36
7.3.180.0030.01516.29
7.3.170.0110.00516.51
7.3.160.0120.00316.59
7.3.120.0030.01615.12
7.3.110.0070.01014.81
7.3.100.0040.01514.83
7.3.90.0070.00715.14
7.3.80.0060.00614.61
7.3.70.0060.00314.88
7.3.60.0070.00715.00
7.3.50.0070.00714.80
7.3.40.0070.01014.76
7.3.30.0000.01114.89
7.3.20.0030.01016.46
7.3.10.0120.00316.89
7.3.00.0080.00616.39
7.2.330.0140.00316.48
7.2.320.0140.00416.39
7.2.310.0060.00916.72
7.2.300.0040.01516.52
7.2.290.0090.01316.74
7.2.250.0090.00914.70
7.2.240.0070.01315.25
7.2.230.0110.00714.87
7.2.220.0000.01414.78
7.2.210.0000.01814.71
7.2.200.0040.01114.91
7.2.190.0070.00315.09
7.2.180.0080.00815.17
7.2.170.0090.00614.80
7.2.00.0000.01319.16
7.1.330.0030.01315.85
7.1.320.0060.00615.79
7.1.310.0030.01415.73
7.1.300.0130.00015.68
7.1.290.0030.00915.60
7.1.280.0070.00715.60
7.1.270.0080.00515.89
7.1.260.0040.00415.84
7.1.100.0060.00918.18
7.1.70.0030.00716.68
7.1.60.0100.01319.32
7.1.50.0060.00616.63
7.1.00.0000.07722.41
7.0.200.0050.00516.70
7.0.140.0000.07722.18
7.0.60.0030.06020.03
7.0.50.0100.04317.86
7.0.40.0000.05720.14
7.0.30.0330.07020.21
7.0.20.0230.08020.33
7.0.10.0130.06320.26
7.0.00.0070.06320.08
5.6.280.0070.07021.03
5.6.210.0100.08020.48
5.6.200.0070.04718.29
5.6.190.0030.05720.49
5.6.180.0530.06320.58
5.6.170.0300.06720.46
5.6.160.0070.08320.50
5.6.150.0170.07018.15
5.6.140.0070.06018.18
5.6.130.0130.08318.27
5.6.120.0100.05320.80
5.6.110.0130.07720.98
5.6.100.0170.07021.12
5.6.90.0130.04020.97
5.6.80.0130.07320.51
5.5.350.0100.07320.35
5.5.340.0070.08317.98
5.5.330.0130.07320.19
5.5.320.0370.06020.52
5.5.310.0270.04720.32
5.5.300.0030.08317.95
5.5.290.0170.06718.05
5.5.280.0030.06320.74
5.5.270.0070.03720.75
5.5.260.0130.07720.80
5.5.250.0070.08720.56
5.5.240.0130.07720.05
5.4.450.0130.06319.47
5.4.440.0400.06719.46
5.4.430.0670.05319.45
5.4.420.0130.05019.16
5.4.410.0770.05719.16
5.4.400.0730.05318.84
5.4.390.0800.05019.25
5.4.380.0330.05018.73
5.4.370.0270.05718.47
5.4.360.0500.05718.76
5.4.350.0230.06318.73
5.4.340.0370.04318.61
5.4.320.0080.03912.50
5.4.310.0060.04212.50
5.4.300.0070.03812.50
5.4.290.0100.03412.50
5.4.280.0050.03512.40
5.4.270.0030.03812.40
5.4.260.0090.03612.39
5.4.250.0090.03612.40
5.4.240.0090.04112.40
5.4.230.0090.04412.39
5.4.220.0050.03712.39
5.4.210.0100.03412.39
5.4.200.0040.03812.39
5.4.190.0050.04312.39
5.4.180.0070.03512.39
5.4.170.0060.03612.40
5.4.160.0070.03412.39
5.4.150.0060.03912.39
5.4.140.0110.03512.08
5.4.130.0040.03712.06
5.4.120.0070.03912.02
5.4.110.0080.03212.02
5.4.100.0100.03912.02
5.4.90.0040.03712.01
5.4.80.0040.03712.02
5.4.70.0020.03812.01
5.4.60.0040.03612.01
5.4.50.0040.03612.01
5.4.40.0090.03012.00
5.4.30.0060.03512.00
5.4.20.0050.03512.00
5.4.10.0050.03412.00
5.4.00.0050.03611.49
5.3.290.0060.04012.80
5.3.280.0050.03912.71
5.3.270.0050.04012.72
5.3.260.0070.03812.72
5.3.250.0070.03712.72
5.3.240.0060.03812.72
5.3.230.0080.03612.70
5.3.220.0060.04112.68
5.3.210.0070.03812.68
5.3.200.0120.03412.68
5.3.190.0070.04012.68
5.3.180.0070.04412.67
5.3.170.0060.04212.67
5.3.160.0070.03412.68
5.3.150.0030.03912.67
5.3.140.0070.03412.66
5.3.130.0070.03712.66
5.3.120.0050.03912.66
5.3.110.0090.03512.66
5.3.100.0050.03612.13
5.3.90.0080.03412.11
5.3.80.0050.03612.10
5.3.70.0060.03612.10
5.3.60.0060.03512.08
5.3.50.0060.03812.03
5.3.40.0090.03312.03
5.3.30.0080.03211.99
5.3.20.0080.03511.77
5.3.10.0050.03411.73
5.3.00.0060.03411.72
5.2.170.0080.0289.22
5.2.160.0050.0289.23
5.2.150.0030.0319.23
5.2.140.0070.0279.22
5.2.130.0040.0299.18
5.2.120.0070.0329.19
5.2.110.0080.0279.19
5.2.100.0070.0329.18
5.2.90.0070.0299.18
5.2.80.0020.0319.18
5.2.70.0050.0289.18
5.2.60.0060.0299.13
5.2.50.0060.0379.10
5.2.40.0090.0249.08
5.2.30.0040.0299.05
5.2.20.0030.0299.05
5.2.10.0040.0288.95
5.2.00.0030.0308.82
5.1.60.0060.0228.09
5.1.50.0070.0218.09
5.1.40.0070.0218.07
5.1.30.0050.0258.43
5.1.20.0060.0248.44
5.1.10.0080.0208.17
5.1.00.0030.0258.17
5.0.50.0070.0216.65
5.0.40.0080.0156.51
5.0.30.0040.0366.33
5.0.20.0030.0206.30
5.0.10.0020.0206.27
5.0.00.0020.0326.26
4.4.90.0040.0154.78
4.4.80.0010.0164.75
4.4.70.0040.0144.76
4.4.60.0000.0184.75
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0020.0164.76
4.4.20.0030.0164.84
4.4.10.0010.0184.85
4.4.00.0030.0244.76
4.3.110.0030.0164.67
4.3.100.0050.0164.67
4.3.90.0030.0174.63
4.3.80.0030.0294.58
4.3.70.0040.0134.63
4.3.60.0040.0154.63
4.3.50.0020.0164.63
4.3.40.0030.0244.53
4.3.30.0000.0183.30
4.3.20.0020.0173.28
4.3.10.0010.0163.23
4.3.00.0100.0207.56

preferences:
53.65 ms | 400 KiB | 5 Q