is in array code example

Example 1: php array has value

$myArr = [38, 18, 10, 7, "15"];

echo in_array(10, $myArr); // TRUE
echo in_array(19, $myArr); // TRUE

// Without strict check
echo in_array("18", $myArr); // TRUE
// With strict check
echo in_array("18", $myArr, true); // FALSE

Example 2: javascript element in array

var fruits = ["Banana", "Orange", "Apple", "Mango"];

var n = fruits.includes("Mango");

Example 3: 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

Example 4: js in_array

var a = [1, 2, 3];
a.includes(2); // true 
a.includes(4); // false