How to check whether a variable is null in PHP
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How to check whether a variable is null in PHP
Use the PHP is_null() function
You can use the PHP is_null() function to check whether a variable is null or not.
Let's check out an example to understand how this function works:
<?php
$var = NULL;
// Testing the variables
if(is_null($var)){
echo 'This line is printed, because the $var is null.';
}
echo "<br>";
if(is_null($inexistent)){
echo 'This line is printed, because the $inexistent is null.';
}
?>i hope you like this article.
Author : Harsukh Makwana
Hi, My name is Harsukh Makwana. i have been work with many programming language like php, python, javascript, node, react, anguler, etc.. since last 5 year. if you have any issue or want me hire then contact me on [email protected]
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