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@ 2019-11-24T01:58:10Z

<?php

$ar = [];
$ar['one'][] = 1;
$ar['one'][] = 2;
$ar['two'][] = 1;
$ar['two'][] = 2;
$ar['three'][] = 1;
$ar['three'][] = 2;

print_r($ar);
 
$res = [];
foreach($ar as $key=>$val){
    $res[$key] = $val[0];
}

print_r($res);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)

preferences:dark modelive previewkey bindings

156.02 ms | 404 KiB | 5 Q