A list of some array functions, what they do, and an example usage. HTMLFIXIT.COM

PHP Reference.

PHP Array functions.
A (hopefully useful) list of some array functions, what they do, and an example usage.

FUNCTION	DESCRIPTION	EXAMPLE
array()	Creates arrays and hashes.	$desserts = array("chocolate", "icecream"); $appliances = array("fridge" => "Kelvinator", "toaster" => "Sunbeam");
sizeof()	Returns the number of array elements.	sizeof($desserts); // Returns 2 in this case.
is_array()	Test if a variable is an array.	is_array($desserts); // Returns true, since $desserts is an array.
range()	Automatically create an array containing a range of elements	$letters = range("b", "f"); // Returns: ("b", "c", "d", "e", "f")
array_values()	Returns an array of a hashes values.	$values = array_values($hash-array);
array_keys()	Returns an array of a hashes keys.	$keys = array_keys($hash-array);
array_search()	Find value in array, returns key or list number.	array_search("lookfor", $in);
in_array()	Returns true or false if an array contains a specific value.	in_array("lookfor", $in);
extract()	Extracts list items into matched variable/value pairs.	extract($deserts); // Returns variabes named as the hash keys.
list()	Assigns list values to variables.	list($a, $b) = $desserts;

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