3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ ['a', 'b', 'c'], ['d', 'e', 'f'], ]; array_walk_recursive($a, function(&$v) { $v = strtoupper($v); } ); print_r($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)
8.3.70.0120.00616.58
8.3.60.0110.00418.30
8.3.50.0030.01420.08
8.3.40.0070.00718.82
8.3.30.0040.01119.02
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.190.0140.00316.58
8.2.180.0070.01025.92
8.2.170.0040.01118.94
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.76
8.2.110.0000.00821.02
8.2.100.0060.00617.72
8.2.90.0040.00417.75
8.2.80.0060.00318.79
8.2.70.0030.00617.63
8.2.60.0030.00517.63
8.2.50.0000.00817.93
8.2.40.0040.00420.01
8.2.30.0000.00918.23
8.2.20.0030.00520.45
8.2.10.0070.00018.08
8.2.00.0040.00419.38
8.1.280.0190.00325.92
8.1.270.0040.00422.19
8.1.260.0060.00926.35
8.1.250.0080.00028.09
8.1.240.0000.01323.86
8.1.230.0090.00320.89
8.1.220.0040.00418.64
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0000.00818.80
8.1.150.0040.00418.68
8.1.140.0040.00417.45
8.1.130.0030.00318.93
8.1.120.0000.00817.30
8.1.110.0050.00517.37
8.1.100.0060.00617.47
8.1.90.0070.00417.42
8.1.80.0060.00517.38
8.1.70.0020.00917.39
8.1.60.0170.00617.49
8.1.50.0130.00817.45
8.1.40.0180.00317.49
8.1.30.0110.01017.57
8.1.20.0180.00017.53
8.1.10.0190.00317.45
8.1.00.0120.00817.44
8.0.300.0030.00519.98
8.0.290.0040.00416.63
8.0.280.0000.00818.45
8.0.270.0050.00316.75
8.0.260.0060.00018.38
8.0.250.0050.00216.87
8.0.240.0020.00916.83
8.0.230.0080.00216.83
8.0.220.0110.00016.76
8.0.210.0060.00416.72
8.0.200.0090.00116.86
8.0.190.0080.00816.85
8.0.180.0130.00316.86
8.0.170.0150.00316.90
8.0.160.0130.00516.83
8.0.150.0140.00316.86
8.0.140.0100.00716.74
8.0.130.0110.00716.76
8.0.120.0130.00416.81
8.0.110.0120.00416.79
8.0.100.0140.00416.77
8.0.90.0130.00516.82
8.0.80.0080.00916.75
8.0.70.0110.00716.77
8.0.60.0140.00316.84
8.0.50.0140.00316.79
8.0.30.0130.00516.85
8.0.20.0120.00616.87
8.0.10.0130.00516.95
7.4.330.0000.00515.55
7.4.320.0050.00616.46
7.4.300.0050.00416.56
7.4.290.0050.00516.52
7.4.280.0130.00416.55
7.4.270.0160.00416.50
7.4.260.0110.00916.53
7.4.250.0120.00716.40
7.4.240.0110.00516.33
7.4.230.0120.00516.53
7.4.220.0090.00916.53
7.4.210.0080.00616.50
7.4.200.0090.00716.40
7.4.190.0060.00916.60
7.4.180.0120.00216.61
7.4.160.0070.00616.50
7.4.150.0090.00516.45
7.4.140.0140.00116.45
7.4.130.0130.00316.45
7.4.120.0110.00316.40
7.4.110.0100.00416.31
7.4.100.0100.00516.46
7.4.90.0050.01016.24
7.4.80.0140.00316.34
7.4.70.0120.00316.39
7.4.60.0100.00416.35
7.4.50.0120.00416.28
7.4.40.0110.00416.21
7.4.30.0080.00616.28
7.4.20.0100.00416.29
7.4.10.0080.00616.38
7.4.00.0100.00516.38
7.0.330.0060.00517.50

preferences:
29.01 ms | 401 KiB | 5 Q