array php literate trough key and literate trough values code example

Example 1: foreach in php

$arr = array(
	'key1' => 'val',
	'key2' => 'another',
	'another' => 'more stuff' 
);
foreach ($arr as $key => $val){
	//do stuff
}

//or alt syntax
foreach ($arr as $key => $val) :
   //do stuff here as well
endforeach;

Example 2: php loop through array

foreach (array_expression as $value)
    statement
foreach (array_expression as $key => $value)
    statement