php arrya is in code example

Example 1: php value in array

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

Example 2: in_array in php

in_array ( mixed $needle , array $haystack [, bool $strict = FALSE ] ) : bool
  
// Without strict check
echo in_array("18", $myArr); // TRUE
// With strict check
echo in_array("18", $myArr, true); // FALSE