3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a; protected $b; private $c; public function __construct() { $this->a = 'A_a'; $this->b = 'A_b'; $this->c = 'A_c'; } } class B extends A { public $b; private $c; public function __construct() { parent::__construct(); $this->b = 'B_b'; $this->c = 'B_c'; } } $b = new B; var_dump($b); $array = (array) $b; var_dump($array); var_export($b); foreach ($array as $k => $v) { var_dump([bin2hex($k), $k, $v]); }

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)
8.3.70.0090.00916.38
8.3.60.0150.00018.55
8.3.50.0120.00916.73
8.3.40.0000.01418.84
8.3.30.0040.01118.71
8.3.20.0040.00420.25
8.3.10.0050.00323.63
8.3.00.0050.00319.69
8.2.180.0070.01418.42
8.2.170.0150.00622.96
8.2.160.0070.00719.04
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.27
8.2.120.0080.00026.35
8.2.110.0030.00820.52
8.2.100.0060.00617.91
8.2.90.0050.00319.30
8.2.80.0040.00418.03
8.2.70.0090.00017.63
8.2.60.0000.00818.04
8.2.50.0030.00618.10
8.2.40.0000.00720.54
8.2.30.0050.00319.32
8.2.20.0040.00418.13
8.2.10.0040.00418.12
8.2.00.0000.00817.97
8.1.280.0110.00425.92
8.1.270.0000.00822.01
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00022.12
8.1.230.0100.00619.16
8.1.220.0000.00817.74
8.1.210.0000.01018.77
8.1.200.0030.00617.35
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00718.90
8.1.150.0070.00020.68
8.1.140.0030.00519.46
8.1.130.0000.00718.94
8.1.120.0030.00517.53
8.1.110.0100.00017.36
8.1.100.0040.00417.41
8.1.90.0040.00417.40
8.1.80.0050.00217.35
8.1.70.0000.00817.48
8.1.60.0040.00417.62
8.1.50.0030.00617.39
8.1.40.0060.00917.49
8.1.30.0030.00517.65
8.1.20.0000.00817.66
8.1.10.0040.00417.48
8.1.00.0060.00317.52
8.0.300.0030.00519.98
8.0.290.0050.00316.63
8.0.280.0030.00318.46
8.0.270.0000.00717.17
8.0.260.0030.00316.82
8.0.250.0030.00316.96
8.0.240.0070.00416.96
8.0.230.0040.00416.91
8.0.220.0030.00316.93
8.0.210.0030.00316.88
8.0.200.0000.00716.94
8.0.190.0060.00316.87
8.0.180.0030.00516.89
8.0.170.0060.00316.96
8.0.160.0000.00816.97
8.0.150.0000.00816.83
8.0.140.0040.00416.87
8.0.130.0000.00613.33
8.0.120.0050.00216.74
8.0.110.0030.00516.93
8.0.100.0080.00016.78
8.0.90.0050.00316.87
8.0.80.0100.00716.96
8.0.70.0000.00916.79
8.0.60.0050.00316.79
8.0.50.0050.00316.89
8.0.30.0080.01017.01
8.0.20.0170.00717.40
8.0.10.0040.00416.89
8.0.00.0130.01316.52
7.4.330.0030.00315.55
7.4.320.0030.00316.37
7.4.300.0000.00716.61
7.4.290.0110.00016.59
7.4.280.0000.00716.48
7.4.270.0030.00316.65
7.4.260.0030.00316.54
7.4.250.0040.00416.48
7.4.240.0000.00716.52
7.4.230.0030.00316.63
7.4.220.0130.00716.62
7.4.210.0100.00616.38
7.4.200.0000.00716.51
7.4.160.0070.01216.55
7.4.150.0070.02017.40
7.4.140.0130.00717.86
7.4.130.0110.01416.59
7.4.120.0070.01316.61
7.4.110.0070.01016.34
7.4.100.0090.00916.57
7.4.90.0050.01316.48
7.4.80.0000.01619.39
7.4.70.0130.00516.43
7.4.60.0080.01016.36
7.4.50.0040.00716.54
7.4.40.0070.01016.63
7.4.30.0070.01016.33
7.4.00.0050.01214.97
7.3.330.0050.00013.38
7.3.320.0030.00313.30
7.3.310.0070.00016.29
7.3.300.0030.00316.30
7.3.290.0060.00816.28
7.3.280.0060.01116.29
7.3.270.0150.00317.40
7.3.260.0090.01216.53
7.3.250.0060.01216.53
7.3.240.0110.00716.51
7.3.230.0090.00916.24
7.3.210.0150.00416.50
7.3.200.0110.00516.56
7.3.190.0160.00316.33
7.3.180.0060.00916.59
7.3.170.0070.01016.38
7.3.160.0110.01116.43
7.3.120.0090.00914.80
7.3.110.0060.01214.92
7.3.100.0100.00315.04
7.3.90.0000.01214.74
7.3.80.0040.00414.98
7.3.70.0030.01014.81
7.3.60.0070.00714.59
7.3.50.0040.00414.94
7.3.40.0040.01214.66
7.3.30.0030.00614.90
7.3.20.0080.00316.63
7.3.10.0030.00816.53
7.3.00.0040.01116.52
7.2.330.0130.00616.64
7.2.320.0060.01216.55
7.2.310.0120.00416.47
7.2.300.0110.01116.91
7.2.290.0070.01016.89
7.2.250.0120.00615.09
7.2.240.0060.01315.26
7.2.230.0030.01315.14
7.2.220.0040.00714.82
7.2.210.0000.01415.00
7.2.200.0040.01115.06
7.2.190.0000.01415.01
7.2.180.0080.00415.11
7.2.170.0070.00714.84
7.2.90.0110.00714.88
7.2.80.0570.00514.86
7.2.70.0540.00314.92
7.2.60.0100.00514.72
7.2.50.0900.01014.79
7.2.40.0610.00315.03
7.2.30.0870.01015.10
7.2.20.0150.00715.02
7.2.10.0190.00315.05
7.2.00.0530.01015.06
7.1.330.0030.01216.02
7.1.320.0000.01515.88
7.1.310.0030.00915.72
7.1.300.0070.00715.45
7.1.290.0070.00315.79
7.1.280.0030.00915.55
7.1.270.0030.00915.59
7.1.260.0000.00915.72
7.1.210.0540.01013.71
7.1.200.0090.00513.71
7.1.190.0700.00313.59
7.1.180.0630.00613.78
7.1.170.1020.00313.80
7.1.160.0280.00313.59
7.1.150.0980.00713.53
7.1.140.0680.00313.80
7.1.130.0520.00313.60
7.1.120.0440.00713.95
7.1.110.0480.01014.01
7.1.100.0910.01413.92
7.1.90.0280.00313.94
7.1.80.0060.01313.72
7.1.70.0580.00613.70
7.1.60.0280.01031.81
7.1.50.1050.01331.86
7.1.40.0680.01231.66
7.1.30.0530.01031.43
7.1.20.0900.01031.73
7.1.10.0660.00313.75
7.1.00.0510.00713.92
7.0.310.0560.00013.45
7.0.300.0870.01013.15
7.0.290.0130.00713.47
7.0.280.0790.01013.20
7.0.270.0770.01313.47
7.0.260.0100.00313.59
7.0.250.0170.01113.77
7.0.240.0710.01313.59
7.0.230.0670.00313.54
7.0.220.0730.00713.23
7.0.210.0800.00713.18
7.0.200.0540.00613.17
7.0.190.0120.00613.51
7.0.180.0570.01013.36
7.0.170.0540.00013.61
7.0.160.0540.00813.63
7.0.150.0270.00813.53
7.0.140.0630.00613.68
7.0.130.0610.00013.30
7.0.120.0170.00313.59
7.0.110.0480.00313.29
7.0.100.0140.00213.51
7.0.90.0720.00013.30
7.0.80.0620.00313.55
7.0.70.0580.00913.63
7.0.60.0670.00613.44
7.0.50.0620.00613.71
7.0.40.0640.00613.72
7.0.30.0520.01013.39
7.0.20.0560.00013.48
7.0.10.0480.00413.36
7.0.00.0590.00713.58

preferences:
42.36 ms | 401 KiB | 5 Q