how to use in_array in php code example

Example 1: check if array has value php

$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: 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 3: in array php

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

// Example:
$fruits = array('apple', 'banana', 'orange');
in_array('apple', $fruits); // true
in_array('mango', $fruits); // false

Example 4: in_array

in_array ( mixed $needle , array $haystack [, bool $strict = FALSE ] ) : bool