3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public function __construct() { $this->something(); } public function something() { echo __CLASS__; // foo //var_dump($this); } } class foo_bar extends foo { public function __construct() { parent::something(); $this->something(); } public function something() { echo __CLASS__; // foo_bar //var_dump($this); } } class foo_bar_baz extends foo_bar { public function __construct() { parent::something(); $this->something(); } public function something() { echo __CLASS__; // foo_bar_baz //var_dump($this); } public function call() { echo self::something(); // self echo parent::something(); // parent echo foo::something(); // grandparent } } $obj = new foo_bar_baz();

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)
8.3.60.0140.00718.07
8.3.50.0080.00722.11
8.3.40.0140.00718.76
8.3.30.0060.00918.75
8.3.20.0080.00020.42
8.3.10.0070.00020.96
8.3.00.0030.00623.48
8.2.180.0090.01216.50
8.2.170.0110.01122.96
8.2.160.0030.01320.55
8.2.150.0110.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00021.02
8.2.110.0140.00722.09
8.2.100.0040.00817.91
8.2.90.0040.00419.23
8.2.80.0000.00719.42
8.2.70.0040.00417.50
8.2.60.0000.00817.92
8.2.50.0040.00418.07
8.2.40.0100.00018.02
8.2.30.0040.00419.43
8.2.20.0090.00017.54
8.2.10.0050.00217.56
8.2.00.0040.00517.68
8.1.280.0130.00625.92
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0070.00322.59
8.1.230.0060.00620.97
8.1.220.0030.00618.77
8.1.210.0040.00418.82
8.1.200.0070.00317.36
8.1.190.0080.00017.40
8.1.180.0000.00818.10
8.1.170.0040.00418.66
8.1.160.0040.00418.85
8.1.150.0000.00718.58
8.1.140.0040.00417.40
8.1.130.0080.00017.75
8.1.120.0000.00717.27
8.1.110.0000.00817.29
8.1.100.0000.00817.40
8.1.90.0070.00017.30
8.1.80.0040.00417.43
8.1.70.0030.00317.36
8.1.60.0060.00317.63
8.1.50.0040.00417.37
8.1.40.0000.00717.41
8.1.30.0050.00217.64
8.1.20.0030.00517.56
8.1.10.0050.00217.57
8.1.00.0000.00717.54
8.0.300.0090.00020.07
8.0.290.0000.00717.18
8.0.280.0000.00718.36
8.0.270.0030.00317.20
8.0.260.0030.00316.83
8.0.250.0040.00416.79
8.0.240.0040.00416.86
8.0.230.0000.00716.79
8.0.220.0050.00516.81
8.0.210.0030.00316.82
8.0.200.0000.00816.92
8.0.190.0000.00716.84
8.0.180.0040.00416.78
8.0.170.0050.00316.87
8.0.160.0080.00016.97
8.0.150.0000.00716.78
8.0.140.0040.00416.80
8.0.130.0000.00513.26
8.0.120.0000.00816.80
8.0.110.0000.00716.79
8.0.100.0030.00516.64
8.0.90.0000.00716.74
8.0.80.0040.01216.86
8.0.70.0040.00416.63
8.0.60.0050.00316.71
8.0.50.0050.00316.72
8.0.30.0100.00817.27
8.0.20.0110.00817.40
8.0.10.0040.00416.93
8.0.00.0090.01416.59
7.4.330.0050.00016.67
7.4.320.0000.00616.59
7.4.300.0030.00316.52
7.4.290.0030.00316.63
7.4.280.0070.00016.49
7.4.270.0030.00316.69
7.4.260.0000.00513.31
7.4.250.0000.00816.56
7.4.240.0000.00716.61
7.4.230.0030.00316.68
7.4.220.0060.01216.41
7.4.210.0080.00616.62
7.4.200.0070.00016.48
7.4.190.0050.00216.48
7.4.160.0030.01316.45
7.4.150.0070.01117.40
7.4.140.0100.00817.86
7.4.130.0140.00316.63
7.4.120.0070.01016.60
7.4.110.0060.00916.62
7.4.100.0100.00716.38
7.4.90.0070.01016.64
7.4.80.0120.00619.39
7.4.70.0100.00716.30
7.4.60.0160.00616.43
7.4.50.0040.00416.53
7.4.40.0090.00622.77
7.4.30.0100.01016.41
7.4.00.0050.01214.78
7.3.330.0030.00513.24
7.3.320.0030.00313.27
7.3.310.0030.00316.10
7.3.300.0030.00316.21
7.3.290.0000.01316.30
7.3.280.0060.00916.19
7.3.270.0100.00717.40
7.3.260.0130.00518.24
7.3.250.0120.00816.25
7.3.240.0130.00316.24
7.3.230.0080.00816.41
7.3.210.0060.01116.56
7.3.200.0080.01319.39
7.3.190.0160.00716.24
7.3.180.0120.00816.42
7.3.170.0110.00816.27
7.3.160.0100.00616.38
7.3.120.0070.00714.76
7.3.110.0100.00714.32
7.3.100.0060.00914.72
7.3.90.0120.00314.68
7.3.80.0100.00314.57
7.3.70.0000.01614.75
7.3.60.0080.00314.73
7.3.50.0060.00614.57
7.3.40.0070.01014.48
7.3.30.0030.01014.69
7.3.20.0060.01216.34
7.3.10.0080.01016.54
7.3.00.0170.00316.30
7.2.330.0180.00016.55
7.2.320.0110.00516.46
7.2.310.0100.00716.36
7.2.300.0040.01416.50
7.2.290.0080.00816.45
7.2.250.0080.00815.15
7.2.240.0070.01115.00
7.2.230.0060.00915.18
7.2.220.0070.00714.84
7.2.210.0030.01314.96
7.2.200.0110.00315.05
7.2.190.0080.00415.07
7.2.180.0000.01614.72
7.2.170.0070.01115.05
7.2.130.0050.01516.39
7.2.120.0130.01016.21
7.2.110.0140.00716.22
7.2.100.0040.01516.38
7.2.90.0120.00916.27
7.2.80.0000.01516.35
7.2.70.0060.00916.67
7.2.60.0090.00616.50
7.2.50.0100.01016.07
7.2.40.0170.00316.33
7.2.30.0140.00716.43
7.2.20.0110.01116.44
7.2.10.0040.01216.79
7.2.00.0000.01218.13
7.1.330.0060.00915.43
7.1.320.0040.01115.76
7.1.310.0000.01715.34
7.1.300.0040.00715.74
7.1.290.0080.00515.57
7.1.280.0060.01215.76
7.1.270.0070.00315.34
7.1.260.0030.01015.73
7.1.250.0200.00315.64
7.1.100.0030.00617.79
7.1.70.0030.00716.82
7.1.60.0110.00017.31
7.1.50.0080.01116.74
7.1.00.0030.06322.44
7.0.200.0050.01916.65
7.0.140.0030.07021.95
7.0.70.0030.08721.82
7.0.60.0030.05021.86
7.0.50.0100.04322.10
7.0.40.0030.06719.95
7.0.30.0030.04720.00
7.0.20.0070.06020.05
7.0.10.0070.06320.08
7.0.00.0030.06019.99
5.6.280.0100.06721.04
5.6.220.0070.03720.62
5.6.210.0030.08720.78
5.6.200.0100.04721.08
5.6.190.0000.09020.99
5.6.180.0070.04021.04
5.6.170.0000.04721.12
5.6.160.0070.05721.14
5.6.150.0100.07020.96
5.6.140.0100.08021.04
5.6.130.0070.06321.06
5.6.120.0100.05021.11
5.6.110.0070.08721.13
5.6.100.0070.08321.16
5.6.90.0070.05721.06
5.6.80.0070.07720.49
5.6.70.0030.07320.46
5.6.60.0130.06020.39
5.6.50.0070.08020.36
5.6.40.0100.05320.41
5.6.30.0030.06320.50
5.6.20.0070.07020.53
5.6.10.0070.07320.47
5.6.00.0100.07320.41
5.5.360.0030.06020.37
5.5.350.0000.06320.40
5.5.340.0130.07320.90
5.5.330.0070.07320.79
5.5.320.0070.04020.84
5.5.310.0070.08720.90
5.5.300.0130.07720.65
5.5.290.0100.06020.88
5.5.280.0030.09020.80
5.5.270.0030.07720.92
5.5.260.0070.08320.88
5.5.250.0070.06720.60
5.5.240.0030.03720.30
5.5.230.0070.05320.18
5.5.220.0070.07320.31
5.5.210.0100.07720.18
5.5.200.0100.07720.16
5.5.190.0030.06320.16
5.5.180.0030.08020.17
5.5.160.0130.06720.25
5.5.150.0030.08020.16
5.5.140.0000.08320.12
5.5.130.0100.07020.13
5.5.120.0030.05320.28
5.5.110.0000.04320.17
5.5.100.0070.07020.07
5.5.90.0000.05720.10
5.5.80.0070.05720.16
5.5.70.0030.05019.98
5.5.60.0070.07320.01
5.5.50.0000.05720.08
5.5.40.0000.08719.96
5.5.30.0030.07720.16
5.5.20.0030.08020.06
5.5.10.0100.05719.97
5.5.00.0000.08320.05
5.4.450.0100.08019.54
5.4.440.0030.05719.45
5.4.430.0100.07319.37
5.4.420.0000.06019.26
5.4.410.0130.06719.08
5.4.400.0130.06719.21
5.4.390.0100.07319.09
5.4.380.0130.07018.90
5.4.370.0070.07319.05
5.4.360.0070.05319.05
5.4.350.0130.07319.20
5.4.340.0130.07018.88
5.4.320.0030.07719.18
5.4.310.0070.07719.23
5.4.300.0100.06719.24
5.4.290.0030.05018.94
5.4.280.0070.08018.84
5.4.270.0000.06018.95
5.4.260.0000.05719.03
5.4.250.0100.07019.11
5.4.240.0000.07319.12
5.4.230.0030.05719.22
5.4.220.0030.05719.02
5.4.210.0070.07718.84
5.4.200.0030.05019.11
5.4.190.0130.06719.04
5.4.180.0100.07019.11
5.4.170.0070.06319.11
5.4.160.0030.07718.88
5.4.150.0030.08019.21
5.4.140.0030.06316.46
5.4.130.0070.07316.50
5.4.120.0030.07016.54
5.4.110.0070.07016.44
5.4.100.0030.07316.48
5.4.90.0070.06716.39
5.4.80.0030.07016.43
5.4.70.0070.06716.31
5.4.60.0070.04716.49
5.4.50.0030.08316.33
5.4.40.0030.07716.45
5.4.30.0000.07016.36
5.4.20.0030.06016.36
5.4.10.0070.07316.32
5.4.00.0030.06015.79
5.3.290.0100.07314.59
5.3.280.0030.08014.54
5.3.270.0070.07314.67
5.3.260.0100.05014.73
5.3.250.0070.05014.54
5.3.240.0000.07314.61
5.3.230.0030.07314.54
5.3.220.0070.05714.69
5.3.210.0030.05714.69
5.3.200.0100.06714.58
5.3.190.0000.06714.66
5.3.180.0030.07314.63
5.3.170.0000.07714.66
5.3.160.0000.06714.68
5.3.150.0130.06714.57
5.3.140.0000.07714.48
5.3.130.0030.08014.67
5.3.120.0030.07714.56
5.3.110.0070.06714.69
5.3.100.0070.07314.00
5.3.90.0000.08014.01
5.3.80.0070.05314.08
5.3.70.0000.05014.06
5.3.60.0000.07314.08
5.3.50.0000.07313.86
5.3.40.0000.07314.02
5.3.30.0070.06013.86
5.3.20.0070.07013.80
5.3.10.0000.07313.68
5.3.00.0070.06313.57
5.2.170.0070.06012.77
5.2.160.0030.06312.77
5.2.150.0030.06312.77
5.2.140.0100.05312.77
5.2.130.0000.06312.77
5.2.120.0030.04012.77
5.2.110.0030.05012.77
5.2.100.0000.04312.77
5.2.90.0000.05312.77
5.2.80.0030.06012.77
5.2.70.0030.05712.77
5.2.60.0000.06312.77
5.2.50.0030.06012.77
5.2.40.0000.05312.77
5.2.30.0070.05712.77
5.2.20.0030.06012.77
5.2.10.0000.06012.77
5.2.00.0000.06012.77
5.1.60.0030.03312.77
5.1.50.0000.05012.77
5.1.40.0030.05312.77
5.1.30.0030.05712.77
5.1.20.0070.05312.77
5.1.10.0000.04712.77
5.1.00.0030.02712.77
5.0.50.0070.04012.77
5.0.40.0000.03712.77
5.0.30.0030.06012.77
5.0.20.0070.04012.77
5.0.10.0000.04012.77
5.0.00.0100.05312.77
4.4.90.0100.02012.77
4.4.80.0030.03012.77
4.4.70.0000.03712.77
4.4.60.0030.03312.77
4.4.50.0030.03312.77
4.4.40.0000.05312.77
4.4.30.0000.03012.77
4.4.20.0070.02012.77
4.4.10.0070.03312.77
4.4.00.0000.04312.77
4.3.110.0030.03712.77
4.3.100.0030.03312.77
4.3.90.0000.03712.77
4.3.80.0000.05312.77
4.3.70.0000.03012.77
4.3.60.0100.02712.77
4.3.50.0000.03312.77
4.3.40.0000.04712.77
4.3.30.0000.03712.77
4.3.20.0070.03012.77
4.3.10.0000.03712.77
4.3.00.0000.03012.77

preferences:
71.3 ms | 401 KiB | 5 Q