check null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not stringcheck null in_array php
if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not stringwhat is use of in_array() function in php
The in_array() function is an inbuilt function in PHP.
The in_array() function is used to check whether a given value exists in an array or not.
It returns TRUE if the given value is found in the given array, and FALSE otherwise.
<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
if (in_array("Glenn", $people))
{
echo "Match found";
}
else
{
echo "Match not found";
}
?>Copyright © 2021 Codeinu
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