3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=[]; $a[0]=[1,2,3]; $a[1]=[4,5,6]; $a[2]=[7,8,9]; $a[3]=[1,4,7]; $result = []; array_walk_recursive($a,function($val) use (&$result){ $result[] = $val; }); var_dump($result);

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)
8.4.140.0110.01017.51
8.4.130.0120.00817.82
8.4.120.0130.00720.85
8.4.110.0130.00722.54
8.4.100.0110.01017.68
8.4.90.0050.00520.64
8.4.80.0040.00419.00
8.4.70.0140.00617.91
8.4.60.0090.00318.73
8.4.50.0100.01019.14
8.4.40.0000.01118.00
8.4.30.0030.00618.79
8.4.20.0130.01020.54
8.4.10.0030.00619.37
8.3.270.0100.01116.44
8.3.260.0130.00616.75
8.3.250.0120.00718.87
8.3.240.0100.00916.75
8.3.230.0080.00316.54
8.3.220.0040.00319.04
8.3.210.0160.00616.63
8.3.200.0050.00416.64
8.3.190.0110.00718.85
8.3.180.0070.01218.42
8.3.170.0030.01416.72
8.3.160.0110.00716.57
8.3.150.0150.00417.07
8.3.140.0030.00616.59
8.3.130.0040.00418.49
8.3.120.0110.00618.96
8.3.110.0150.00016.44
8.3.100.0110.00024.06
8.3.90.0090.00026.77
8.3.80.0030.00619.36
8.3.70.0110.00716.88
8.3.60.0110.00716.63
8.3.50.0120.00916.48
8.3.40.0130.00318.92
8.3.30.0070.00718.81
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0050.00326.16
8.2.290.0140.00418.92
8.2.280.0100.01118.31
8.2.270.0070.01116.79
8.2.260.0040.01417.49
8.2.250.0040.00416.73
8.2.240.0090.00017.27
8.2.230.0030.00620.94
8.2.220.0060.00337.54
8.2.210.0040.01126.77
8.2.200.0030.00718.88
8.2.190.0040.01116.75
8.2.180.0000.01425.92
8.2.170.0130.00319.09
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0070.00320.35
8.2.100.0100.00020.93
8.1.330.0110.00816.65
8.1.320.0140.00516.21
8.1.310.0040.00418.55
8.1.300.0000.00818.13
8.1.290.0100.00030.84
8.1.280.0110.00325.92
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00318.57
8.1.230.0030.00722.20
7.2.340.0040.00416.27

preferences:
42.23 ms | 403 KiB | 5 Q