Example: 1

	<?php

	$alpha = array

	(

	"ABC"=>array("A","B","C","D"),
	"123"=>array("1","2","3","4")

	);

	echo $alpha['ABC'][0];

	?> 


Example: 2

	<?php

	$pos = 0;
	$alpha = array

	(

	"ABC"=>array("A","B","C","D"),
	"123"=>array("1","2","3","4")

	);

	echo "Letter ". $alpha['ABC'][$pos]."is in position ".$alpha['123'][$pos];

	?> 


Example: 3

	<?php

	$pos = 1;
	$alpha = array

	(

	"ABC"=>array("A","B","C","D"),
	"123"=>array("1","2","3","4")

	);

	echo "Letter ". $alpha['ABC'][$pos]."is in position ".$alpha['123'][$pos];

	?> 


Example: 4

	<?php

	$pos = (1)-1;
	$alpha = array

	(

	"ABC"=>array("A","B","C","D"),
	"123"=>array("1","2","3","4")

	);

	echo "Letter ". $alpha['ABC'][$pos]."is in position ".$alpha['123'][$pos];

	?> 


Example: 5

	<?php

	$pos = (0)-1;
	$alpha = array

	(

	"ABC"=>array("A","B","C","D"),
	"123"=>array("1","2","3","4")

	);

	echo "Letter ". $alpha['ABC'][$pos]."is in position ".$alpha['123'][$pos];

	?> 

