3v4l.org

run code in 500+ 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->state . PHP_EOL; $GLOBALS['a']->state++; echo $b->a->state . PHP_EOL; $GLOBALS['a'] = new A(); echo $b->a->state . PHP_EOL; echo $GLOBALS['a']->state . 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)
8.5.90.0080.00617.54
8.5.80.0090.00417.56
8.5.70.0090.00517.24
8.5.60.0060.00617.36
8.5.50.0080.00718.40
8.5.40.0090.00517.54
8.5.30.0090.00618.21
8.5.20.0100.00618.46
8.5.10.0150.00717.77
8.5.00.0090.00919.40
8.4.240.0120.01020.24
8.4.230.0130.00820.28
8.4.220.0150.00921.65
8.4.210.0150.00520.24
8.4.200.0160.00620.43
8.4.190.0100.00919.68
8.4.180.0120.00720.41
8.4.170.0130.00520.59
8.4.160.0150.00821.05
8.4.150.0100.00818.28
8.4.140.0100.01018.18
8.4.130.0090.00718.21
8.4.120.0110.00719.86
8.4.110.0100.00418.73
8.4.100.0110.00617.82
8.4.90.0120.00719.32
8.4.80.0090.00817.79
8.4.70.0060.00717.74
8.4.60.0140.00718.63
8.4.50.0140.00717.78
8.4.40.0110.00918.20
8.4.30.0150.00417.73
8.4.20.0110.00917.74
8.4.10.0090.00618.89
8.3.330.0100.00818.43
8.3.320.0130.01018.46
8.3.310.0130.00718.33
8.3.300.0120.00719.16
8.3.290.0110.00719.16
8.3.280.0080.00619.92
8.3.270.0080.00616.76
8.3.260.0080.00516.72
8.3.250.0090.00417.52
8.3.240.0120.00516.92
8.3.230.0110.00616.75
8.3.220.0080.00916.84
8.3.210.0120.00617.31
8.3.200.0090.00516.71
8.3.190.0120.00417.40
8.3.180.0110.00716.57
8.3.170.0080.00918.05
8.3.160.0110.00616.65
8.3.150.0110.00516.88
8.3.140.0110.00517.35
8.3.130.0130.00616.67
8.3.120.0080.00717.46
8.3.110.0100.00418.13
8.3.100.0090.00619.12
8.3.90.0080.00920.67
8.3.80.0090.00517.20
8.3.70.0090.00816.67
8.3.60.0110.00616.51
8.3.50.0120.00619.25
8.3.40.0120.00918.06
8.3.30.0080.00617.99
8.3.20.0090.00319.17
8.3.10.0090.00320.33
8.3.00.0070.00319.96
8.2.330.0060.00518.12
8.2.320.0080.00918.52
8.2.310.0110.00518.66
8.2.300.0140.00619.34
8.2.290.0190.00617.84
8.2.280.0200.00617.33
8.2.270.0160.00916.79
8.2.260.0160.00516.58
8.2.250.0170.00816.57
8.2.240.0190.00716.72
8.2.230.0180.00619.06
8.2.220.0180.00623.51
8.2.210.0200.00719.90
8.2.200.0200.00617.05
8.2.190.0170.00717.10
8.2.180.0200.00816.55
8.2.170.0200.00819.55
8.2.160.0180.00418.99
8.2.150.0160.00520.64
8.2.140.0150.00520.78
8.2.130.0160.00421.20
8.2.120.0130.00618.57
8.2.110.0130.00518.92
8.2.100.0180.00417.97
8.2.90.0140.00618.66
8.2.80.0160.00417.85
8.2.70.0160.00417.74
8.2.60.0080.00518.54
8.2.50.0160.00417.88
8.2.40.0170.00419.97
8.2.30.0130.00818.39
8.2.20.0150.00717.79
8.2.10.0180.00717.90
8.2.00.0160.00517.88
8.1.340.0250.01117.43
8.1.330.0130.00718.14
8.1.320.0180.00616.21
8.1.310.0130.00716.12
8.1.300.0110.00617.40
8.1.290.0160.00520.98
8.1.280.0220.00819.31
8.1.270.0220.00419.80
8.1.260.0180.00520.64
8.1.250.0070.00421.22
8.1.240.0070.00418.22
8.1.230.0120.00419.29
8.1.220.0100.00517.73
8.1.210.0070.00618.59
8.1.200.0120.00817.51
8.1.190.0170.00717.50
8.1.180.0070.00818.36
8.1.170.0090.00717.90
8.1.160.0110.00519.20
8.1.150.0130.00717.97
8.1.140.0110.00818.23
8.1.130.0110.00517.71
8.1.120.0110.00617.61
8.1.110.0090.00617.61
8.1.100.0090.00617.58
8.1.90.0100.00517.62
8.1.80.0090.00617.36
8.1.70.0080.00717.59
8.1.60.0080.00717.75
8.1.50.0110.00617.66
8.1.40.0090.00718.25
8.1.30.0090.00517.79
8.1.20.0100.00417.74
8.1.10.0100.00618.40
8.1.00.0100.00717.60
8.0.300.0090.00817.99
8.0.290.0110.00516.82
8.0.280.0100.00617.42
8.0.270.0120.00517.68
8.0.260.0120.00517.16
8.0.250.0080.00617.11
8.0.240.0070.00818.14
8.0.230.0060.00617.56
8.0.220.0100.00517.56
8.0.210.0160.00416.94
8.0.200.0130.00516.97
8.0.190.0090.00717.01
8.0.180.0120.00417.01
8.0.170.0110.00417.03
8.0.160.0180.00717.02
8.0.150.0160.00616.93
8.0.140.0130.00817.56
8.0.130.0150.01015.69
8.0.120.0090.00916.88
8.0.110.0130.00416.90
8.0.100.0070.00617.97
8.0.90.0090.00616.92
8.0.80.0100.00718.16
8.0.70.0070.00718.12
8.0.60.0080.00818.09
8.0.50.0080.00418.14
8.0.30.0080.00917.85
8.0.20.0110.00617.89
8.0.10.0070.00518.37
8.0.00.0100.00618.17
7.4.330.0060.00516.90
7.4.320.0060.00617.83
7.4.300.0070.00617.88
7.4.290.0070.00717.87
7.4.280.0060.00617.91
7.4.270.0060.00517.86
7.4.260.0080.00517.90
7.4.250.0030.00817.88
7.4.240.0070.00517.85
7.4.230.0050.00717.77
7.4.220.0100.00616.74
7.4.210.0090.00517.82
7.4.200.0060.00517.83
7.4.190.0080.00618.50
7.4.180.0090.00517.66
7.4.160.0090.00617.08
7.4.150.0110.00617.44
7.4.140.0110.00718.03
7.4.130.0090.00716.95
7.4.120.0090.00717.37
7.4.110.0130.00716.67
7.4.100.0130.00617.80
7.4.90.0100.00717.58
7.4.80.0080.00818.63
7.4.70.0090.00817.77
7.4.60.0070.00817.72
7.4.50.0080.00717.68
7.4.40.0110.00417.67
7.4.30.0110.00717.83
7.4.20.0110.00618.45
7.4.10.0110.00816.66
7.4.00.0070.00715.96
7.3.330.0050.00316.63
7.3.320.0080.00516.69
7.3.310.0060.00517.76
7.3.300.0040.00517.72
7.3.290.0060.00617.14
7.3.280.0070.00717.19
7.3.270.0090.00718.04
7.3.260.0090.00717.50
7.3.250.0090.00716.86
7.3.240.0060.00916.95
7.3.230.0080.00717.20
7.3.220.0080.00418.37
7.3.210.0070.00817.63
7.3.200.0050.00817.74
7.3.190.0070.00517.70
7.3.180.0070.00417.76
7.3.170.0090.00417.16
7.3.160.0060.00517.66
7.3.150.0090.00316.50
7.3.140.0060.00218.32
7.3.130.0090.00317.11
7.3.120.0100.00416.43
7.3.110.0050.00716.48
7.3.100.0050.00516.41
7.3.90.0060.00716.65
7.3.80.0080.00416.59
7.3.70.0070.00816.62
7.3.60.0080.00716.20
7.3.50.0100.00616.19
7.3.40.0090.00516.22
7.3.30.0090.00516.19
7.3.20.0110.00317.48
7.3.10.0080.00617.58
7.3.00.0080.00817.61
7.2.340.0080.00518.35
7.2.330.0140.00716.35
7.2.320.0160.00816.49
7.2.310.0170.00516.54
7.2.300.0160.00616.50
7.2.290.0180.00816.58
7.2.280.0210.00516.50
7.2.270.0250.00816.39
7.2.260.0150.00715.93
7.2.250.0120.00715.65
7.2.240.0110.00915.68
7.2.230.0130.00915.81
7.2.220.0130.00915.69
7.2.210.0120.00815.74
7.2.200.0150.00615.74
7.2.190.0160.00715.73
7.2.180.0170.00515.87
7.2.170.0150.00715.89
7.2.160.0190.01016.05
7.2.150.0180.00617.97
7.2.140.0160.00817.80
7.2.130.0170.00718.03
7.2.120.0180.00618.04
7.2.110.0140.01018.04
7.2.100.0200.00617.87
7.2.90.0190.00417.91
7.2.80.0170.00818.00
7.2.70.0170.01017.97
7.2.60.0140.00617.61
7.2.50.0160.00418.03
7.2.40.0100.00917.91
7.2.30.0110.00417.92
7.2.20.0110.00518.10
7.2.10.0090.00718.09
7.2.00.0080.00718.47
7.1.330.0060.00916.73
7.1.320.0070.00616.66
7.1.310.0080.00716.59
7.1.300.0070.00916.75
7.1.290.0090.00616.66
7.1.280.0100.00816.74
7.1.270.0070.00716.63
7.1.260.0100.00816.61
7.1.250.0090.01016.88
7.1.240.0070.00816.91
7.1.230.0100.00517.00
7.1.220.0100.00616.95
7.1.210.0090.00616.90
7.1.200.0140.00816.53
7.1.190.0100.00716.91
7.1.180.0100.00616.97
7.1.170.0100.00716.94
7.1.160.0080.01116.99
7.1.150.0120.00617.02
7.1.140.0080.00617.08
7.1.130.0090.00516.97
7.1.120.0080.00717.00
7.1.110.0080.00617.05
7.1.100.0070.00716.86
7.1.90.0100.00617.01
7.1.80.0080.00716.87
7.1.70.0070.00717.00
7.1.60.0090.00517.00
7.1.50.0040.00716.89
7.1.40.0070.00516.96
7.1.30.0060.00516.92
7.1.20.0050.00616.81
7.1.10.0050.00716.88
7.1.00.0080.02118.20
7.0.330.0140.00516.61
7.0.320.0130.00716.54
7.0.310.0130.00616.50
7.0.300.0120.00716.58
7.0.290.0110.00716.57
7.0.280.0140.00716.41
7.0.270.0120.00616.59
7.0.260.0080.00616.55
7.0.250.0060.00616.78
7.0.240.0070.00716.79
7.0.230.0080.00416.83
7.0.220.0060.00716.56
7.0.210.0070.00516.70
7.0.200.0100.00616.29
7.0.190.0080.00616.60
7.0.180.0070.00516.70
7.0.170.0060.00516.76
7.0.160.0050.00716.47
7.0.150.0080.00716.77
7.0.140.0070.00716.53
7.0.130.0090.00416.60
7.0.120.0090.00516.72
7.0.110.0090.00416.60
7.0.100.0090.01817.52
7.0.90.0120.01717.39
7.0.80.0090.01817.38
7.0.70.0070.01917.45
7.0.60.0060.01917.41
7.0.50.0080.01817.54
7.0.40.0090.01617.04
7.0.30.0080.01817.06
7.0.20.0070.02117.11
7.0.10.0080.01917.02
7.0.00.0060.02116.99
5.6.400.0070.00515.74
5.6.390.0070.00715.67
5.6.380.0100.00615.75
5.6.370.0070.00615.56
5.6.360.0080.00615.65
5.6.350.0080.00515.57
5.6.340.0060.00715.59
5.6.330.0090.00415.78
5.6.320.0080.00515.63
5.6.310.0070.00615.73
5.6.300.0080.00415.53
5.6.290.0090.00615.55
5.6.280.0070.00615.80
5.6.270.0070.00515.77
5.6.260.0090.00415.85
5.6.250.0110.01716.98
5.6.240.0080.02016.89
5.6.230.0140.01916.94
5.6.220.0170.01916.89
5.6.210.0180.01816.94
5.6.200.0140.02116.89
5.6.190.0140.02117.07
5.6.180.0140.02317.00
5.6.170.0150.01716.91
5.6.160.0180.01617.03
5.6.150.0120.01917.14
5.6.140.0160.01816.92
5.6.130.0160.01917.02
5.6.120.0140.01816.85
5.6.110.0150.01916.96
5.6.100.0110.01916.95
5.6.90.0140.01716.88
5.6.80.0120.01816.91
5.6.70.0140.01716.84
5.6.60.0140.01816.74
5.6.50.0140.01516.88
5.6.40.0110.01916.86
5.6.30.0130.01816.76
5.6.20.0120.02016.71
5.6.10.0120.01916.69
5.6.00.0130.01716.83

preferences:
107.98 ms | 2039 KiB | 5 Q