PHP LOGIC PROGRAMMING

http://riturajkumar12.blogspot.in/2014/05/to-find-factorial-of-number-using-php.html

http://www.the-art-of-web.com/php/sortarray/

http://www.guru99.com/arrays.html

multidimensional 

<?php 
//Initialize the array using the array() function.
$flower_shop = array( 
"rose" => array( "5.00", "7 items", "red" ), 
"daisy" => array( "4.00", "3 items", "blue" ), 
"orchid" => array( "2.00", "1 item", "white" ), 
); 

//print "rose costs 5.00, and you get 7 items." 
echo "rose costs ".$flower_shop['rose'][0].", and you get ".$flower_shop['rose'][1]."."; 
//print "daisy costs 4.00, and you get 3 items." 
echo "daisy costs ".$flower_shop['daisy'][0].", and you get ".$flower_shop['daisy'][1]."."; 
//print "orchild costs 2.00, and you get 1 item. 
echo "orchid costs ".$flower_shop['orchid'][0].", and you get ".$flower_shop['orchild'][1]."."; 
?>