3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public static function className() { if (!function_exists('get_called_class')) { $t = debug_backtrace(); print_r($t); return; $t = $t[0]; if (isset($t['object']) && $t['object'] instanceof $t['class']) return get_class($t['object']); return false; return __CLASS__; } return get_called_class(); } } class Dupa extends Test { } echo Test::className(); echo "\n"; echo Dupa::className();

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)
8.3.60.0100.00716.75
8.3.50.0110.00716.30
8.3.40.0130.00318.56
8.3.30.0070.00718.59
8.3.20.0030.00520.33
8.3.10.0050.00321.95
8.3.00.0040.00817.53
8.2.180.0110.00716.50
8.2.170.0070.00722.96
8.2.160.0040.01120.39
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0080.00021.19
8.2.120.0040.00426.35
8.2.110.0050.00519.14
8.2.100.0110.00018.16
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0070.00717.37
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0000.00920.59
8.2.30.0000.00719.29
8.2.20.0060.00317.85
8.2.10.0000.00717.93
8.2.00.0040.00417.89
8.1.280.0100.00325.92
8.1.270.0000.00723.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00323.80
8.1.230.0150.00017.51
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0070.00417.23
8.1.180.0080.00018.10
8.1.170.0030.00618.50
8.1.160.0050.00218.98
8.1.150.0090.00018.85
8.1.140.0070.00019.47
8.1.130.0000.00718.86
8.1.120.0050.00317.36
8.1.110.0050.00517.38
8.1.100.0050.00517.23
8.1.90.0000.00717.41
8.1.80.0030.00317.34
8.1.70.0000.01017.32
8.1.60.0040.00417.54
8.1.50.0030.00517.40
8.1.40.0000.00817.45
8.1.30.0000.00817.55
8.1.20.0040.00417.48
8.1.10.0030.00617.54
8.1.00.0000.00917.46
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.43
8.0.270.0030.00517.16
8.0.260.0040.00416.67
8.0.250.0000.00716.98
8.0.240.0000.00816.82
8.0.230.0060.00316.99
8.0.220.0020.00516.73
8.0.210.0030.00316.89
8.0.200.0060.00316.95
8.0.190.0040.00716.92
8.0.180.0070.00016.78
8.0.170.0030.00516.75
8.0.160.0000.00816.76
8.0.150.0000.00716.77
8.0.140.0070.00016.76
8.0.130.0000.00513.23
8.0.120.0000.00716.80
8.0.110.0040.00416.89
8.0.100.0040.00416.85
8.0.90.0070.00016.66
8.0.80.0160.00516.78
8.0.70.0070.00016.86
8.0.60.0040.00416.63
8.0.50.0000.00816.89
8.0.30.0090.00917.04
8.0.20.0110.00917.40
8.0.10.0000.00716.95
8.0.00.0100.00616.90
7.4.330.0030.00315.55
7.4.320.0040.00416.45
7.4.300.0060.00016.43
7.4.290.0030.00316.58
7.4.280.0040.00416.44
7.4.270.0000.00816.44
7.4.260.0060.00013.20
7.4.250.0030.00616.52
7.4.240.0000.00816.59
7.4.230.0040.00416.41
7.4.220.0070.01116.50
7.4.210.0140.00016.55
7.4.200.0040.00316.56
7.4.160.0080.01016.49
7.4.150.0180.00017.40
7.4.140.0120.01217.86
7.4.130.0130.00616.40
7.4.120.0110.00716.52
7.3.330.0030.00313.01
7.3.320.0000.00613.23
7.3.310.0030.00316.12
7.3.300.0040.00416.15
7.3.290.0090.00516.24
7.3.280.0070.01016.23
7.3.270.0060.01017.40
7.3.260.0100.01116.32
7.3.250.0100.01316.20
7.3.240.0080.01016.29

preferences:
39.29 ms | 401 KiB | 5 Q