3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new class { private $a = 3; protected $b = 2; public $c = 1; }; $arr = (array)$foo; var_dump($arr); var_dump(array_keys($arr)[0][0]); $b = array_keys($arr)[0]; 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)
8.3.40.0070.00718.90
8.3.30.0060.00918.54
8.3.20.0050.00220.37
8.3.10.0030.00623.67
8.3.00.0040.00423.66
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00019.77
8.2.120.0040.00426.35
8.2.110.0090.00022.15
8.2.100.0120.00018.16
8.2.90.0040.00419.17
8.2.80.0000.00717.97
8.2.70.0090.00017.75
8.2.60.0080.00018.18
8.2.50.0050.00318.07
8.2.40.0080.00022.27
8.2.30.0070.00019.38
8.2.20.0040.00417.75
8.2.10.0000.00817.99
8.2.00.0000.00718.05
8.1.270.0150.00624.00
8.1.260.0110.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0090.00319.13
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0000.01217.22
8.1.190.0060.00617.22
8.1.180.0070.00018.10
8.1.170.0000.00818.60
8.1.160.0000.00720.76
8.1.150.0030.00518.80
8.1.140.0080.00019.45
8.1.130.0000.00717.61
8.1.120.0070.00017.30
8.1.110.0090.00017.36
8.1.100.0040.00417.46
8.1.90.0030.00517.46
8.1.80.0030.00517.47
8.1.70.0050.00217.48
8.1.60.0000.00917.50
8.1.50.0090.00017.58
8.1.40.0040.00817.53
8.1.30.0000.00817.56
8.1.20.0040.00417.59
8.1.10.0070.00017.55
8.1.00.0000.00717.52
8.0.300.0070.00218.77
8.0.290.0070.00016.75
8.0.280.0000.00818.32
8.0.270.0070.00017.25
8.0.260.0030.00317.16
8.0.250.0030.00516.92
8.0.240.0060.00316.82
8.0.230.0020.00516.86
8.0.220.0000.00616.78
8.0.210.0000.00816.87
8.0.200.0060.00316.91
8.0.190.0030.00916.77
8.0.180.0030.00616.80
8.0.170.0030.00616.85
8.0.160.0000.00816.98
8.0.150.0040.00416.82
8.0.140.0070.00016.84
8.0.130.0070.00013.25
8.0.120.0000.00816.85
8.0.110.0070.00016.89
8.0.100.0040.00416.75
8.0.90.0040.00416.91
8.0.80.0100.00716.88
8.0.70.0050.00316.95
8.0.60.0040.00417.00
8.0.50.0070.00016.72
8.0.30.0110.00817.00
8.0.20.0090.01117.40
8.0.10.0050.00316.82
8.0.00.0070.01416.78
7.4.330.0050.00016.67
7.4.320.0030.00316.64
7.4.300.0030.00316.49
7.4.290.0000.00716.60
7.4.280.0040.00416.45
7.4.270.0000.00716.53
7.4.260.0000.00716.50
7.4.250.0050.00316.40
7.4.240.0030.00416.52
7.4.230.0000.00716.34
7.4.220.0140.01416.68
7.4.210.0080.00816.57
7.4.200.0030.00316.40
7.4.160.0070.00716.32
7.4.150.0190.00017.40
7.4.140.0130.01217.86
7.4.130.0090.01216.60
7.4.120.0080.01116.54
7.4.110.0000.01716.34
7.4.100.0120.00916.42
7.4.90.0060.01216.36
7.4.80.0130.00619.39
7.4.70.0050.01416.30
7.4.60.0130.00316.47
7.4.50.0060.00916.68
7.4.40.0150.00916.55
7.4.30.0030.02216.39
7.4.00.0070.01115.00
7.3.330.0000.00513.14
7.3.320.0050.00013.17
7.3.310.0080.00016.30
7.3.300.0030.00316.37
7.3.290.0000.00716.18
7.3.280.0100.00816.29
7.3.270.0000.01717.40
7.3.260.0000.01716.44
7.3.250.0090.00916.34
7.3.240.0050.01316.38
7.3.230.0100.00716.61
7.3.210.0080.00816.37
7.3.200.0180.00019.39
7.3.190.0100.00716.39
7.3.180.0000.02116.59
7.3.170.0100.00716.44
7.3.160.0070.01416.46
7.3.10.0030.01016.64
7.3.00.0000.01416.47
7.2.330.0130.00716.68
7.2.320.0070.01116.66
7.2.310.0150.00916.57
7.2.300.0040.01516.64
7.2.290.0130.00416.75
7.2.130.0030.01017.04
7.2.120.0000.01317.00
7.2.110.0030.00717.02
7.2.100.0120.00316.99
7.2.90.0000.01516.92
7.2.80.0060.01016.71
7.2.70.0030.01316.82
7.2.60.0040.01116.87
7.2.50.0070.01117.05
7.2.40.0080.00516.98
7.2.30.0120.00616.99
7.2.20.0100.01017.03
7.2.10.0030.00816.94
7.2.00.0050.00918.01
7.1.250.0030.01015.98
7.1.200.0050.00315.92
7.1.100.0160.00618.02
7.1.70.0000.00717.09
7.1.60.0160.00719.30
7.1.50.0120.00917.02
7.1.00.0070.08722.31
7.0.200.0030.00616.56
7.0.60.0030.08321.69
7.0.50.0200.07017.88
7.0.40.0100.07320.02
7.0.30.0400.07720.34
7.0.20.0270.06720.34
7.0.10.0070.09020.19
7.0.00.0100.08020.05
5.6.280.0000.04320.89
5.6.210.0070.06020.68
5.6.200.0030.05318.29
5.6.190.0000.04720.50
5.6.180.0470.06020.61
5.6.170.0330.07320.55
5.6.160.0070.04020.45
5.6.150.0030.04018.15
5.6.140.0070.08718.28
5.6.130.0070.05318.17
5.6.120.0130.05721.15
5.6.110.0070.05020.91
5.6.100.0030.08321.11
5.6.90.0100.06720.99
5.6.80.0130.04720.52
5.5.350.3600.04020.27
5.5.340.0030.04318.03
5.5.330.0000.04320.23
5.5.320.0400.04720.32
5.5.310.0230.05720.23
5.5.300.0000.04017.99
5.5.290.0070.06317.97
5.5.280.0130.03720.86
5.5.270.0130.07720.86
5.5.260.0000.08320.72
5.5.250.0070.08320.46
5.5.240.0100.04320.15

preferences:
55.66 ms | 400 KiB | 5 Q