Search results for: "get_headers"

How can one output or find out the header in PHP?

To output or find out the header in PHP, you can use the `get_headers()` function. This function sends a GET request to the specified URL and returns...

How can PHP be used to check the validity of HTTP links, including syntax and status codes?

To check the validity of HTTP links in PHP, you can use the `get_headers()` function to retrieve the headers of the URL and check the HTTP status code...

What are the best practices for implementing page existence checks in PHP to ensure reliability and accuracy?

When implementing page existence checks in PHP, it is important to ensure reliability and accuracy by using functions like file_exists() or get_header...

How can one determine the file type of an external image without downloading it to the server in PHP?

To determine the file type of an external image without downloading it to the server in PHP, you can use the get_headers() function to retrieve the he...

How can one efficiently determine if an image file exists on a remote server using PHP?

To efficiently determine if an image file exists on a remote server using PHP, you can use the `get_headers()` function to retrieve the headers of the...