Search results for: "check"

What command can be used to check which modules are loaded in PHP?

To check which modules are loaded in PHP, you can use the `get_loaded_extensions()` function. This function returns an array of all the loaded extensi...

What is the significance of using isset() to check POST variables in PHP scripts?

Using isset() to check POST variables in PHP scripts is important to avoid errors when trying to access variables that may not be set. This function a...

How can I check if an element is present in a PHP SimpleXML object?

To check if an element is present in a PHP SimpleXML object, you can use the isset() function to determine if the element exists within the object. Si...

Can JavaScript or ActiveX be used to check if a browser accepts cookies in PHP?

To check if a browser accepts cookies in PHP, you can use JavaScript to set a cookie and then check if it exists in PHP. This can be done by creating...

How can you check if a database field is NULL in PHP?

To check if a database field is NULL in PHP, you can use the `is_null()` function to determine if the value retrieved from the database is NULL. You c...