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@ 2017-07-05T09:42:57Z

<?php

    $arr = array ( '0' => array("red","green"),
                   '1' => array("blue","yellow")
                 );
                 
                                  
    $res = [];
    foreach ( $arr as $item ) {
        $res = array_merge($res, $item);
    }
    
    print_r($res);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive previewkey bindings

27.05 ms | 405 KiB | 5 Q