VictorFursa

<?php
$a = array(array(10, 2, 12), array(15,19,7), array(1,5,16) );
$min = $a[0][0];
for($i = 0;$i < count($a);$i++){
    for ($j = 0; $j < count($a[$i]); $j++){
        if($a[$i][$j] < $min)
            $min = $a[$i][$j];
    }
}
echo $min;

VictorFursa

<?php

$a = array(
    0 => array(
        0=>21,
        1=>44,
        2=>35
    ),
    1 => array(
        0=>43,

VictorFursa

$a = array(
    0 => array(
        0=>10,
        1=>10,
        2=>10
    ),
    1 => array(
        0=>43,
        1=>78,
        2=>78,

VictorFursa

<?php
$a = array( array(1,2,3), array(4,5,6));

for($i=0; $i < count($a[0]) ;$i++){
	$b[] = $a[0][$i] + $a[0][$i];
	$c[] = $a[1][$i] + $a[1][$i];
	if ($b[$i] > $a[$i]){
		echo $b[$i];
	}
	if ($c[$i] > $a[$i]){