what is in_array() in php code example

Example 1: in_array

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

Example 2: php value in array

in_array ( mixed $needle , array $haystack , bool $strict = false ) : bool