PHP Function in_array()

Syntax

in_array ( $value, $array [,$strict ] );

Definition and Usage

The in_array() function searches an array for a specific value. If the third parameter strict is set to TRUE then the in_array() function will also check the types of the $value.

Paramters

Parameter	Description
value	Required. Value to be search in array.
array	Required. Specifies an array
strict	Optional. If this parameter is set, the in_array() function searches for the search-string and specific type in the array.

Return Value

This function returns TRUE if the value is found in the array, or FALSE otherwise.

Example

Try out following example:

<?php $os = array("Mac", "NT", "Irix", "Linux"); if (in_array("Irix", $os)) { echo "Got Irix"; } if (in_array("mac", $os)) { echo "Got mac"; } ?>

This will produce following result:

Got Irix