php list of values are true code example
Example 1: in_array php
<?php
$os = array("Apple", "Banana", "Lemon");
if (in_array("Apple", $os)) {
echo "Yeah. Exist Apple";
}
if (!in_array("Buleberry", $os)) {
echo "Oh, Don't Exist Blueberry!!!";
}
?>
Example 2: 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