PHP get highest value in multidimensional array

How to get highest value from multidimensional array

Get the highest Value form multidimensional array using foreach

<?php 
//find the maximum value from two dimenstion array in php
$arr= array(array(110, 20, 52),array(105, 56, 89, 96),array( 556, 89, 96));
$b = 0;
foreach ($arr as $val)
{
	foreach($val as $key=>$val1)
	{
		if ($val1 > $b)
	 	{
        $b = $val1;
    	}
	}   	
}
echo $b;
?>

Get the highest Value form multidimensional array using for loop

<?php 
//find the maximum value from two dimenstion array in php
$arr= array(array(110, 20, 52),array(105, 56, 89, 96),array( 556, 89, 96));
$b = 0;
for($i=0;$i<count($arr);$i++)
{
	for($j=0;$j<count($arr[$i]);$j++)
	{
		if ($arr[$i][$j] > $b)
	 	{
        $b = $arr[$i][$j];
    	}
	}   	
}
echo $b;
?>