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@ 2014-10-15T16:07:28Z

<?php
$master = array(); 
$arrColors	= array('Red', 'Blue', 'Green' ,'Yellow'); 
$arrNumbers	= array('1', '2', '3', '4'); 
	foreach($arrColors as $color) { 
		foreach($arrNumbers	as $num) { 
				$temp = $color.' - '.$num; 
				array_push($master, $temp);  
		} 
	} 
	print_r($master);

Output
Performance
VLD
References
Branches

array_push: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

27.11 ms | 402 KiB | 5 Q