3v4l.org

run code in 300+ PHP versions simultaneously
<?php $A = ["key 1"=>"val 1", "key 2"=>"val 2", "key 3"=>"val 3"]; $B = ["key 2"=>"val 2"]; foreach($A as $key=>$val) { $myval = array_key_exists($key,$B) ? $B[$key] : 0; } var_dump($B);

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)
8.4.120.0130.00623.91
8.4.110.0130.00717.72
8.4.100.0070.00419.09
8.4.90.0110.00918.70
8.4.80.0030.00618.93
8.4.70.0050.00317.89
8.4.60.0130.00718.73
8.4.50.0100.01018.44
8.4.40.0130.00718.58
8.4.30.0060.01220.83
8.4.20.0070.00419.60
8.4.10.0090.00919.53
8.3.250.0070.01118.97
8.3.240.0110.00817.33
8.3.230.0120.00816.73
8.3.220.0100.00519.08
8.3.210.0130.00616.60
8.3.200.0030.00716.79
8.3.190.0120.00717.17
8.3.180.0040.00417.22
8.3.170.0100.00720.57
8.3.160.0080.00818.89
8.3.150.0110.00717.31
8.3.140.0060.00316.70
8.3.130.0070.00418.29
8.3.120.0100.01020.80
8.3.110.0000.00816.62
8.3.100.0090.00016.63
8.3.90.0000.00826.77
8.3.80.0080.00017.97
8.3.70.0080.00818.31
8.3.60.0380.01725.92
8.3.50.0160.00725.92
8.3.40.0300.00725.92
8.3.30.0330.00625.92
8.3.20.0270.01025.92
8.3.10.0310.00625.92
8.3.00.0230.01325.92
8.2.290.0110.00720.39
8.2.280.0120.00818.29
8.2.270.0030.00617.23
8.2.260.0030.00516.48
8.2.250.0100.00618.40
8.2.240.0030.00617.14
8.2.230.0040.01220.94
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0050.00516.50
8.2.190.0150.00616.75
8.2.180.0090.00925.92
8.2.170.0370.00425.92
8.2.160.0440.00425.92
8.2.150.0450.00625.92
8.2.140.0480.00325.92
8.2.130.0390.01025.92
8.2.120.0350.00625.92
8.2.110.0380.00625.92
8.2.100.0240.00925.92
8.2.90.0270.00525.92
8.2.80.0300.00325.92
8.2.70.0400.00625.92
8.2.60.0100.01325.92
8.2.50.0380.00925.92
8.2.40.0360.00625.92
8.2.30.0370.00725.92
8.2.20.0360.00725.92
8.2.10.0390.00625.92
8.2.00.0300.01325.92
8.1.330.0120.00721.84
8.1.320.0100.01016.12
8.1.310.0070.01018.65
8.1.300.0000.00918.32
8.1.290.0030.00630.84
8.1.280.0130.01025.92
8.1.270.0460.00325.92
8.1.260.0400.01125.92
8.1.250.0420.00625.92
8.1.240.0340.00725.92
8.1.230.0300.00725.92
8.1.220.0390.00025.92
8.1.210.0360.00325.92
8.1.200.0360.00725.92
8.1.190.0280.01425.92
8.1.180.0330.00925.92
8.1.170.0330.00925.92
8.1.160.0390.01225.92
8.1.150.0300.00925.92
8.1.140.0430.01125.92
8.1.130.0380.01425.92
8.1.120.0330.00725.92
8.1.110.0350.00425.92
8.1.100.0300.00925.92
8.1.90.0290.01125.92
8.1.80.0350.01025.92
8.1.70.0390.00725.92
8.1.60.0390.00825.92
8.1.50.0360.01125.92
8.1.40.0400.00625.92
8.1.30.0360.00625.92
8.1.20.0370.00325.92
8.1.10.0370.00925.92
8.1.00.0340.01125.92

preferences:
15.12 ms | 403 KiB | 5 Q