find if value exists in array php code example
Example 1: check if array has value php
$myArr = [38, 18, 10, 7, "15"];
echo in_array(10, $myArr);
echo in_array(19, $myArr);
echo in_array("18", $myArr);
echo in_array("18", $myArr, true);
Example 2: in_array in php
in_array ( mixed $needle , array $haystack [, bool $strict = FALSE ] ) : bool
echo in_array("18", $myArr);
echo in_array("18", $myArr, true);
Example 3: check null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){
Example 4: php in_array
<?php
$a = array(array('p', 'h'), array('p', 'r'), 'o');
if (in_array(array('p', 'h'), $a)) {
echo "'ph' a été trouvé\n";
}
if (in_array(array('f', 'i'), $a)) {
echo "'fi' was found\n";
}
if (in_array('o', $a)) {
echo "'o' a été trouvé\n";
}
?>
Example 5: in_array
<?
in_array("Irix", $os);
?>