Online PHP editor | perf for HjJ4u

@ 2018-09-25T13:00:44Z

<?php
$data = Array (
    [1] => Array ( [A] => reference, [B] => dob, [C] => ''),
[2] => Array ( [A] => SMI13 [B] => 03/12/1940 [C] => ''),
[3] => Array ( [A] => JON11 [B] => 12/04/1987 [C] => '' ), 
[4] => Array ( [A] => TAY29 [B] => 02/20/1967 [C] => ''), 
[5] => Array ( [A] => WHI09 [B] => 11/11/1987 [C] => '' ), 
[6] => Array ( [A] => EVA10 [B] => 10/30/1988 [C] => '' ), 
[7] => Array ( [A] => ROB52 [B] => 09/24/2000 [C] => '') 
);

Without hardcoding I need to access the values and keys:
 
$keys = array_keys($data[1]);
 
// The key array needs 1 level deeper to access keyNames
     foreach($keys as $k=>$v) {
        $keys[$k] =$data[1][$v];
  echo $keys[$k];
 
 
 
 if(($keys[$k]=='dob')){
 foreach($keys[$k] as &$dobs){
 $date= new DateTime($dobs);
 $dobs= $date->format('Y-m-d');
}
 
}


print_r($data);
print_r($keys);

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).

Version	System time (s)	User time (s)	Memory (MiB)
7.2.10	0.121	0.003	14.29
7.2.9	0.191	0.007	14.62
7.2.8	0.132	0.003	14.34
7.2.7	0.159	0.003	14.75
7.2.6	0.140	0.006	14.56
7.2.5	0.177	0.003	14.91
7.2.4	0.140	0.000	14.87
7.2.3	0.144	0.007	14.99
7.2.2	0.139	0.007	15.04
7.2.1	0.133	0.010	14.89
7.2.0	0.191	0.012	14.83
7.1.22	0.133	0.006	13.47
7.1.21	0.152	0.010	13.78
7.1.20	0.143	0.010	13.74
7.1.19	0.127	0.007	13.70
7.1.18	0.139	0.009	13.71
7.1.17	0.164	0.013	13.63
7.1.16	0.147	0.010	13.82
7.1.15	0.153	0.003	13.70
7.1.14	0.157	0.007	13.86
7.1.13	0.129	0.010	13.63
7.1.12	0.150	0.007	13.45
7.1.11	0.146	0.007	13.68
7.1.10	0.137	0.006	13.33
7.1.9	0.137	0.010	13.52
7.1.8	0.163	0.010	13.68
7.1.7	0.167	0.013	13.43
7.1.6	0.204	0.013	31.54
7.1.5	0.169	0.013	31.49
7.1.4	0.265	0.003	31.30
7.1.3	0.192	0.010	31.91
7.1.2	0.167	0.010	31.47
7.1.1	0.171	0.003	13.49
7.1.0	0.158	0.010	13.51
5.6.38	0.007	0.004	14.11

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