what output do you get here?

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<?php
$array=array(5,5,5);
echo $r=array_pad($array,5,2);
?>

Ans:Array

NOTE:

use 'foreach($r as $v)' then try to output value 'echo $v' or use Print_r($r)

so if we make above script as

<?php
$array=array(5,5,5);
$r=array_pad($array,5,2);

foreach($r as $v)
echo $v;
?>

We get the output as 55522