Answers for "php check if value in array"

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

php in array

$colors = array("red", "blue", "green"); 
 
if (in_array("red", $colors)) { 
	echo "found red in array"; 
}

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!!!";
}
?>

check null in_array php

if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not string

php value in array

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

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