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in_array()

in_array - Checks if a value exists in an array

Syntax

bool in_array (mixed $needle, array $haystack, bool $strict)

Arguments

  • needle - The searched value. Note: If needle is a string, the comparison is done in a case-sensitive manner.
  • haystack - The array.
  • strict - If the third parameter strict is set to TRUE then the in_array() function will also check the typesof the needle in the haystack.

Description

Searches haystack for needle.

Version

PHP 4, 5

Return value

Returns TRUE if needle is found in the array, FALSE otherwise.