PHP Manual
Prev |  | Next

# in_array

in_array -- Return true if a value exists in an array

## Description

`bool in_array`(mixed needle, array haystack);

Searches `haystack` for `needle` and returns true if it is found in the array, false otherwise.

Example 1. in_array() example
    $os = array("Mac", "NT", "Irix", "Linux");
    if (in_array("Irix", $os))
           print "Got Irix";

> Note: This function was added in PHP 4.0.

Prev | Home | Next
extract | Up | key