Search results for: "verify function"

How can one verify if a PHP extension, like PDFlib, is successfully loaded and available for use within a script?

To verify if a PHP extension like PDFlib is successfully loaded and available for use within a script, you can use the `extension_loaded` function pro...

What are the limitations of using JavaScript to verify if JavaScript is enabled in PHP web applications?

When using JavaScript to verify if JavaScript is enabled in PHP web applications, there is a limitation in that if the user has disabled JavaScript in...

How can PHP be used to verify and allow only image uploads from a browser?

To verify and allow only image uploads from a browser using PHP, you can check the file type of the uploaded file using the `$_FILES` superglobal arra...

What is the best way to verify if a user-inputted URL points to an image file using PHP?

To verify if a user-inputted URL points to an image file using PHP, you can use the getimagesize() function. This function returns an array with image...

What are some common methods to verify the authenticity of requests between servers in PHP?

When servers communicate with each other, it's important to verify the authenticity of the requests to prevent unauthorized access or data manipulatio...