//array_search
$result = array_search("apple", $fruit_array); // return index or false
//in_array
$result = in_array("apple", $fruit_array); // return true or false$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
<?php
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');
$key = array_search('green', $array); // $key = 2;
$key = array_search('red', $array); // $key = 1;
?>
//array_search
$result = array_search("apple", $fruit_array); // return index or false<?php
$stack = array("orange", "banana");
array_push($stack, "apple", "raspberry");
print_r($stack);
?>//in_array
$result = in_array("apple", $fruit_array); // return true or false