3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'uid_1' => [ 'sub_1' => [ 'sub_sub_1' => ['id1' => 'val_1', 'id2' => 'val_2'] ], 'sub_2' => [ 'sub_sub_1' => ['id1' => 'val_1', 'id2' => 'val_2'], 'sub_sub_2' => ['id3' => 'val_3', 'id4' => 'val_4'] ] ], 'uid_2' => [ 'sub_1' => [ 'sub_sub_1' => ['id1' => 'val_1', 'id3' => 'val_3'] ], ] ]; foreach ($array as &$uids) { foreach ($uids as &$subs) { $subs['sub_sub_1']['id5'] = 'val_5'; } } var_export($array);

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)
8.4.130.0110.00617.78
8.4.120.0110.00820.55
8.4.110.0110.00418.77
8.4.100.0130.00817.71
8.4.90.0160.00617.54
8.4.80.0030.00519.30
8.4.70.0160.00417.67
8.4.60.0100.00718.78
8.4.50.0130.01018.55
8.4.40.0100.01017.65
8.4.30.0100.01018.89
8.4.20.0080.01120.73
8.4.10.0030.00619.32
8.3.260.0110.00416.69
8.3.250.0090.00818.86
8.3.240.0050.00516.53
8.3.230.0140.00516.37
8.3.220.0130.00517.51
8.3.210.0120.00718.32
8.3.200.0040.00516.67
8.3.190.0140.00616.99
8.3.180.0090.00916.63
8.3.170.0110.00719.23
8.3.160.0150.00022.68
8.3.150.0090.00918.30
8.3.140.0000.00816.61
8.3.130.0100.01016.57
8.3.120.0090.00918.81
8.3.110.0030.00620.94
8.3.100.0060.00324.06
8.3.90.0000.00826.77
8.3.80.0000.01217.97
8.3.70.0110.01116.38
8.3.60.0090.00616.63
8.3.50.0100.01016.71
8.3.40.0110.00420.25
8.3.30.0100.00321.89
8.3.20.0080.00024.18
8.3.10.0070.00024.66
8.3.00.0050.00326.16
8.2.290.0080.00820.54
8.2.280.0130.00220.32
8.2.270.0120.00617.20
8.2.260.0070.01118.38
8.2.250.0160.00316.48
8.2.240.0040.00418.65
8.2.230.0000.00922.58
8.2.220.0060.00337.54
8.2.210.0110.00726.77
8.2.200.0030.00618.16
8.2.190.0140.00416.63
8.2.180.0110.01116.50
8.2.170.0040.01118.82
8.2.160.0100.00322.96
8.2.150.0000.00825.66
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0060.00319.45
8.2.110.0140.00722.25
8.2.100.0100.01320.99
8.2.90.0200.01018.95
8.2.80.0180.01118.70
8.2.70.0260.00718.65
8.2.60.0190.00918.53
8.2.50.0120.00919.86
8.2.40.0150.00418.81
8.2.30.0130.00018.88
8.2.20.0120.01220.70
8.2.10.0260.00319.02
8.2.00.0130.00319.03
8.1.330.0090.01022.10
8.1.320.0120.00716.10
8.1.310.0080.00016.62
8.1.300.0120.00318.34
8.1.290.0030.00630.84
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0100.00518.45
8.1.230.0150.00018.64
8.1.220.0130.01018.62
8.1.210.0080.01219.86
8.1.200.0120.00318.63
8.1.190.0070.00319.78
8.1.180.0150.00018.43
8.1.170.0110.00318.41
8.1.160.0130.00018.72
8.1.150.0110.00320.49
8.1.140.0140.00018.45
8.1.130.0080.00818.61
8.1.120.0080.00418.67
8.1.110.0080.00519.63
8.1.100.0150.00018.55
8.1.90.0150.00018.50
8.1.80.0100.00318.62
8.1.70.0000.01218.54
8.1.60.0160.00018.69
8.1.50.0120.00318.73
8.1.40.0100.00318.81
8.1.30.0130.00018.99
8.1.20.0170.00018.72
8.1.10.0110.00318.25
8.1.00.0130.00018.42
8.0.300.0160.00017.77
8.0.290.0120.00417.82
8.0.280.0220.00717.90
8.0.270.0150.00317.89
8.0.260.0090.00218.30
8.0.250.0090.00618.07
8.0.240.0100.00317.84
8.0.230.0110.00018.23
8.0.220.0140.00017.89
8.0.210.0070.00717.82
8.0.200.0160.00017.88
8.0.190.0090.00218.27
8.0.180.0100.00517.92
8.0.170.0130.00317.79
8.0.160.0130.00317.71
8.0.150.0140.00417.80
8.0.140.0140.00717.80
8.0.130.0100.00518.18
8.0.120.0120.00817.74
8.0.110.0080.00318.35
8.0.100.0160.00017.78
8.0.90.0100.00717.88
8.0.80.0090.00617.88
8.0.70.0160.00017.73
8.0.60.0100.00318.05
8.0.50.0090.00617.64
8.0.30.0080.00418.09
8.0.20.0120.00317.87
8.0.10.0040.01118.08

preferences:
29.13 ms | 403 KiB | 5 Q