3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new ArrayObject(['a' => 1, 'b' => 2, 'c' => 3]); foreach (new ArrayObject($a) as $k => $v) { var_dump($v); if ($k === 'a') { unset($a['a']); } }

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)
8.5.10.0090.00919.48
8.5.00.0190.01020.08
8.4.150.0010.00114.05
8.4.140.0120.01117.86
8.4.130.0150.00517.85
8.4.120.0080.01120.59
8.4.110.0070.00722.54
8.4.100.0140.00717.77
8.4.90.0140.00817.83
8.4.80.0030.00617.84
8.4.70.0060.00217.85
8.4.60.0100.00217.91
8.4.50.0130.00817.69
8.4.40.0130.00317.73
8.4.30.0190.00020.35
8.4.20.0100.01017.64
8.4.10.0040.00423.87
8.3.280.0110.00918.31
8.3.270.0120.00816.62
8.3.260.0090.00516.63
8.3.250.0110.00718.83
8.3.240.0110.00916.76
8.3.230.0090.01016.67
8.3.220.0060.00219.16
8.3.210.0080.00916.63
8.3.200.0100.00816.73
8.3.190.0120.00716.49
8.3.180.0110.00716.76
8.3.170.0110.00718.79
8.3.160.0120.00618.47
8.3.150.0100.00720.97
8.3.140.0080.00017.08
8.3.130.0000.00718.66
8.3.120.0100.00020.67
8.3.110.0080.00018.38
8.3.100.0060.00316.79
8.3.90.0000.00826.77
8.3.80.0000.01118.56
8.3.70.0100.01316.63
8.3.60.0170.00822.86
8.3.50.0140.00622.75
8.3.40.0210.01024.10
8.3.30.0260.00623.63
8.3.20.0200.01125.34
8.3.10.0200.01025.50
8.3.00.0280.00326.00
8.2.290.0040.00322.19
8.2.280.0100.00816.76
8.2.270.0090.00917.11
8.2.260.0120.00618.91
8.2.250.0040.00417.38
8.2.240.0090.00016.89
8.2.230.0150.00420.94
8.2.220.0040.00424.06
8.2.210.0040.01126.77
8.2.200.0040.00718.25
8.2.190.0090.01218.25
8.2.180.0230.00822.78
8.2.170.0240.00723.60
8.2.160.0280.00524.94
8.2.150.0240.00525.84
8.2.140.0210.00825.50
8.2.130.0230.00426.00
8.2.120.0230.00424.68
8.2.110.0200.00823.64
8.2.100.0230.00523.25
8.2.90.0180.00723.91
8.2.80.0230.00523.69
8.2.70.0220.00743.72
8.2.60.0210.01043.72
8.2.50.0260.00643.72
8.2.40.0250.00543.72
8.2.30.0230.00443.72
8.2.20.0220.00643.72
8.2.10.0210.00743.72
8.2.00.0180.00943.72
8.1.330.0120.00716.76
8.1.320.0120.00415.90
8.1.310.0050.00516.87
8.1.300.0090.00015.96
8.1.290.0060.00330.84
8.1.280.0250.00925.92
8.1.270.0210.00825.50
8.1.260.0260.00626.06
8.1.250.0280.00626.64
8.1.240.0200.00724.65
8.1.230.0230.00324.27
8.1.220.0180.00623.21
8.1.210.0170.00723.54
8.1.200.0230.00743.72
8.1.190.0190.01143.72
8.1.180.0210.00943.72
8.1.170.0230.00643.72
8.1.160.0210.00843.72
8.1.150.0220.00543.72
8.1.140.0210.00543.72
8.1.130.0260.00143.72
8.1.120.0180.00843.72
8.1.110.0220.00443.72
8.1.100.0170.01043.72
8.1.90.0200.00643.72
8.1.80.0200.00543.72
8.1.70.0210.00843.72
8.1.60.0290.00743.72
8.1.50.0290.00743.72
8.1.40.0320.00443.72
8.1.30.0270.00643.72
8.1.20.0250.00743.72
8.1.10.0230.00943.72
8.1.00.0230.00643.72
8.0.300.0200.00623.99
8.0.290.0220.00643.72
8.0.280.0220.00443.72
8.0.270.0210.00743.72
8.0.260.0210.00643.72
8.0.250.0240.00443.72
8.0.240.0240.00643.72
8.0.230.0210.00543.72
8.0.220.0180.00843.72
8.0.210.0200.00843.72
8.0.200.0190.00743.72
8.0.190.0150.01243.72
8.0.180.0220.00443.72
8.0.170.0230.00543.72
8.0.160.0200.00843.72
8.0.150.0220.00443.72
8.0.140.0200.00643.72
8.0.130.0250.00243.72
8.0.120.0200.00743.72
8.0.110.0220.00843.72
8.0.100.0220.00643.72
8.0.90.0190.00743.72
8.0.80.0220.00543.72
8.0.70.0220.00443.72
8.0.60.0180.00943.72
8.0.50.0210.00643.72
8.0.30.0230.00643.72
8.0.20.0220.00743.72
8.0.10.0210.00843.72

preferences:
41.53 ms | 403 KiB | 5 Q