Search results for: "get_headers"

What are the potential pitfalls when trying to navigate through an array of URLs using PHP?

One potential pitfall when navigating through an array of URLs in PHP is not properly checking if the URL is valid or reachable before attempting to a...

Are there alternative programming languages or methods that can be used to check the status of a link?

When checking the status of a link in PHP, the most common method is to use the `get_headers()` function. However, if you are looking for alternative...

How can one use header information to quickly determine if an image is present on a remote server in PHP?

To quickly determine if an image is present on a remote server in PHP, you can utilize the get_headers() function to retrieve the header information o...

What alternative function can be used instead of file_exists for checking the existence of remote files in PHP?

When checking the existence of remote files in PHP, the file_exists function may not work reliably due to limitations in handling remote file paths. A...

How can PHP be used to check if a link exists or is down?

To check if a link exists or is down in PHP, you can use the `get_headers()` function to retrieve the headers of the URL. If the URL returns a valid r...