- array_push: documentation ( source)
<?php
$a = "A-MTP-";
$i = 1;
$j=1;
$ss=1;
$s=1;
$ch="ch".$ss ;
$ch= "$".$ch;
$$ch =array(array());
while ($i < 4)
{
while($j < 13)
{
$sh = $a."-".$i."-".$j ;
array_push($$ch[$s],$sh);
if($j % 4 == 0)
{
$s++;
}
$j++;
}
$i++;
}
//print_r($$ch1);