3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $state = 1; } class B { public $a; public function __construct() { $this->a = $GLOBALS['a']; } } $GLOBALS['a'] = new A(); $b = new B(); echo $b->a . PHP_EOL; $GLOBALS['a']->state++; echo $b->a . PHP_EOL; $GLOBALS['a'] = new A(); echo $b->a . PHP_EOL;

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)
8.3.60.0110.01116.50
8.3.50.0090.01218.08
8.3.40.0040.01118.96
8.3.30.0090.00618.73
8.3.20.0080.00020.25
8.3.10.0000.00723.61
8.3.00.0040.00422.52
8.2.180.0060.00916.88
8.2.170.0130.00722.96
8.2.160.0060.00620.43
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00422.26
8.2.120.0050.00326.35
8.2.110.0070.00320.23
8.2.100.0150.00019.17
8.2.90.0070.00419.05
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00417.90
8.2.50.0000.00818.10
8.2.40.0080.00022.18
8.2.30.0020.00519.23
8.2.20.0050.00217.82
8.2.10.0040.00418.04
8.2.00.0040.00417.82
8.1.280.0110.00325.92
8.1.270.0040.00423.76
8.1.260.0000.00728.09
8.1.250.0140.00028.09
8.1.240.0000.00919.27
8.1.230.0060.00619.61
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0090.00017.38
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0080.00018.50
8.1.160.0000.00722.11
8.1.150.0040.00419.00
8.1.140.0000.00719.59
8.1.130.0050.00217.76
8.1.120.0020.00517.37
8.1.110.0000.00717.39
8.1.100.0050.00317.36
8.1.90.0000.00817.45
8.1.80.0000.00717.47
8.1.70.0070.00017.44
8.1.60.0030.00617.54
8.1.50.0050.00317.59
8.1.40.0060.00317.37
8.1.30.0050.00317.70
8.1.20.0040.00417.62
8.1.10.0050.00217.59
8.1.00.0000.00817.52
8.0.300.0000.00718.77
8.0.290.0000.00816.88
8.0.280.0000.00718.36
8.0.270.0050.00317.26
8.0.260.0000.00717.26
8.0.250.0030.00317.05
8.0.240.0060.00016.98
8.0.230.0000.00716.96
8.0.220.0030.00416.97
8.0.210.0070.00016.84
8.0.200.0000.00816.98
8.0.190.0040.00416.93
8.0.180.0070.00016.92
8.0.170.0040.00417.04
8.0.160.0070.00017.05
8.0.150.0000.00816.91
8.0.140.0000.00816.88
8.0.130.0030.00513.43
8.0.120.0030.00516.96
8.0.110.0000.00816.96
8.0.100.0000.00716.91
8.0.90.0040.00416.88
8.0.80.0030.01216.92
8.0.70.0000.00716.93
8.0.60.0000.00716.76
8.0.50.0020.00516.75
8.0.30.0140.00617.08
8.0.20.0080.01017.40
8.0.10.0040.00416.93
8.0.00.0100.01016.63
7.4.330.0000.00515.08
7.4.320.0000.00616.49
7.4.300.0000.00616.61
7.4.290.0040.00416.47
7.4.280.0040.00416.49
7.4.270.0030.00316.57
7.4.260.0040.00416.47
7.4.250.0040.00416.50
7.4.240.0080.00016.65
7.4.230.0040.00416.41
7.4.220.0110.00616.59
7.4.210.0060.00816.48
7.4.200.0040.00416.31
7.4.160.0090.00916.54
7.4.150.0120.00617.40
7.4.140.0050.01217.86
7.4.130.0110.00516.57
7.4.120.0110.00716.64
7.4.110.0060.01216.55
7.4.100.0100.00716.64
7.4.90.0110.00516.66
7.4.80.0130.00319.39
7.4.70.0070.01416.70
7.4.60.0030.01216.55
7.4.50.0060.00916.35
7.4.40.0070.01016.63
7.4.30.0120.00816.51
7.4.00.0070.01015.05
7.3.330.0020.00413.44
7.3.320.0000.00613.38
7.3.310.0070.00016.45
7.3.300.0030.00316.39
7.3.290.0050.01016.38
7.3.280.0100.01016.37
7.3.270.0100.00717.40
7.3.260.0100.00716.36
7.3.250.0110.00716.40
7.3.240.0070.01116.51
7.3.230.0160.00016.39
7.3.210.0070.01016.60
7.3.200.0060.01116.57
7.3.190.0190.00016.43
7.3.180.0070.01416.58
7.3.170.0130.01016.43
7.3.160.0150.00616.37
7.2.330.0130.00316.73
7.2.320.0090.00916.75
7.2.310.0100.00716.66
7.2.300.0180.00016.74
7.2.290.0100.00716.47
7.2.60.0030.01016.95
7.2.00.0000.01419.36
7.1.200.0060.00615.60
7.1.100.0000.01118.14
7.1.70.0030.00717.23
7.1.60.0170.00017.04
7.1.50.0100.00617.01
7.1.00.0030.07722.46
7.0.200.0250.00714.94
7.0.100.0200.05319.96
7.0.90.0230.05019.96
7.0.80.0170.06019.98
7.0.70.0270.05719.92
7.0.60.0170.05320.08
7.0.50.0100.07720.36
7.0.40.0130.05720.38
7.0.30.0170.05720.30
7.0.20.0170.05720.34
7.0.10.0230.06320.28
7.0.00.0230.05720.29
5.6.250.0170.05020.70
5.6.240.0030.06320.58
5.6.230.0170.04720.70
5.6.220.0030.06320.68
5.6.210.0100.05320.63
5.6.200.0070.06021.11
5.6.190.0100.05321.08
5.6.180.0100.05321.04
5.6.170.0100.05321.11
5.6.160.0170.05021.01
5.6.150.0070.05721.10
5.6.140.0070.06321.07
5.6.130.0030.06321.11
5.6.120.0130.05321.07
5.6.110.0030.06321.05
5.6.100.0170.04721.09
5.6.90.0000.06321.14
5.6.80.0100.05320.54
5.6.70.0130.07320.41
5.6.60.0130.05020.41
5.6.50.0230.04020.54
5.6.40.0130.05020.39
5.6.30.0030.06320.44
5.6.20.0170.04720.54
5.6.10.0100.05020.42
5.6.00.0030.06320.41

preferences:
57.35 ms | 400 KiB | 5 Q