Question

How to pass array by reference to function and change the array values in the function in PHP

Answer 1

function potatoArray(&$array)
{
    $array[0] = 'xyz';
}

$arr = array(
    'aaa',
    'bbb',
    'ccc'
);

potatoArray($arr);

echo "<pre>";
print_r($arr); 
echo "</pre>";

 
/*
run: 

Array
(
    [0] => xyz
    [1] => bbb
    [2] => ccc
)

*/

 

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