3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static $elements = []; public function getElements() { return self::$elements; } } // let's create an instance of A $a = new A; $a::$elements['first_key'] = 'defined'; A::$elements['direct_instance_key'] = 'defined_too'; var_dump($a->getElements(), A::$elements); $b = new A; var_dump($b->getElements());

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)
8.3.60.0060.00918.51
8.3.50.0100.00717.50
8.3.40.0110.00418.79
8.3.30.0150.00018.70
8.3.20.0000.00720.88
8.3.10.0080.00021.73
8.3.00.0040.00423.66
8.2.180.0150.00018.06
8.2.170.0070.00719.13
8.2.160.0070.01122.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00021.18
8.2.110.0110.00020.35
8.2.100.0110.00017.91
8.2.90.0030.00517.88
8.2.80.0000.00818.77
8.2.70.0040.00417.63
8.2.60.0030.00717.75
8.2.50.0040.00717.55
8.2.40.0030.00619.48
8.2.30.0060.00319.30
8.2.20.0000.00718.14
8.2.10.0040.00419.15
8.2.00.0040.00419.24
8.1.280.0110.00425.92
8.1.270.0040.00423.79
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0070.00323.85
8.1.230.0080.00322.75
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0000.00817.36
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0000.00718.82
8.1.150.0050.00318.82
8.1.140.0080.00018.69
8.1.130.0000.00720.07
8.1.120.0070.00017.30
8.1.110.0090.00017.37
8.1.100.0040.00417.30
8.1.90.0070.00017.43
8.1.80.0050.00217.27
8.1.70.0070.00017.40
8.1.60.0060.00317.53
8.1.50.0030.00617.54
8.1.40.0000.00817.56
8.1.30.0040.00817.66
8.1.20.0060.00317.66
8.1.10.0040.00417.54
8.1.00.0040.00417.52
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.44
8.0.270.0030.00517.10
8.0.260.0030.00318.38
8.0.250.0000.00716.91
8.0.240.0050.00316.85
8.0.230.0000.00716.89
8.0.220.0030.00316.85
8.0.210.0060.00316.69
8.0.200.0000.00616.84
8.0.190.0000.00716.79
8.0.180.0000.00816.75
8.0.170.0080.00016.88
8.0.160.0040.00416.76
8.0.150.0000.00816.64
8.0.140.0040.00316.83
8.0.130.0060.00013.24
8.0.120.0080.00016.82
8.0.110.0000.00716.72
8.0.100.0000.00716.87
8.0.90.0000.00816.85
8.0.80.0060.00816.74
8.0.70.0050.00216.73
8.0.60.0030.00416.77
8.0.50.0080.00016.86
8.0.30.0100.00916.96
8.0.20.0090.01417.16
8.0.10.0040.00416.83
8.0.00.0140.00716.65
7.4.330.0030.00315.55
7.4.320.0030.00316.36
7.4.300.0030.00316.58
7.4.290.0000.00816.57
7.4.280.0050.00316.63
7.4.270.0030.00316.50
7.4.260.0030.00316.47
7.4.250.0000.00816.43
7.4.240.0000.00816.54
7.4.230.0040.00416.33
7.4.220.0030.00316.39
7.4.210.0060.01016.49
7.4.200.0000.00716.70
7.4.160.0110.00616.48
7.4.130.0140.00316.39
7.4.120.0170.00016.24
7.4.110.0070.01516.48
7.4.100.0120.00516.60
7.4.90.0110.00816.67
7.4.80.0130.00319.39
7.4.70.0070.01316.32
7.4.60.0090.00616.57
7.4.50.0110.00416.66
7.4.40.0220.00316.54
7.4.00.0070.01014.79
7.3.330.0050.00013.19
7.3.320.0000.00513.36
7.3.310.0050.00316.25
7.3.300.0030.00316.27
7.3.290.0100.00316.32
7.3.280.0060.01016.32
7.3.260.0100.01016.46
7.3.240.0080.00916.34
7.3.230.0150.00316.30
7.3.210.0090.00816.62
7.3.200.0030.01316.38
7.3.190.0080.00816.42
7.3.180.0060.01016.27
7.3.170.0060.01216.35
7.3.160.0170.00316.57
7.3.60.0080.00314.82
7.3.50.0100.01314.66
7.3.40.0030.00814.89
7.3.30.0000.01014.69
7.3.20.0050.01014.69
7.3.10.0180.00014.68
7.3.00.0170.00814.79
7.2.330.0120.00616.81
7.2.320.0170.00716.58
7.2.310.0100.00716.75
7.2.300.0090.00616.36
7.2.290.0030.01316.59
7.2.190.0030.00714.71
7.2.180.0040.00814.70
7.2.170.0090.00614.78
7.2.160.0000.01214.82
7.2.150.0160.00614.76
7.2.140.0170.00014.94
7.2.130.0080.00514.82
7.2.120.0060.00914.80
7.2.110.0080.00515.04
7.2.100.0060.00614.80
7.2.90.0120.01215.13
7.2.80.0200.00315.04
7.2.70.0110.00314.97
7.2.60.0100.00314.86
7.2.50.0120.00614.92
7.2.40.0180.01114.89
7.2.30.0130.00014.74
7.2.20.0160.01015.20
7.2.10.0130.00314.79
7.2.00.0220.00315.11
7.1.300.0150.00913.60
7.1.290.0090.01213.88
7.1.280.0100.00713.96
7.1.270.0090.00614.02
7.1.260.0060.01013.80
7.1.250.0070.00513.83

preferences:
67.98 ms | 401 KiB | 5 Q