Search results for: "verify function"

How can is_writable() function be utilized to verify write permissions in PHP file uploads?

When uploading files in PHP, it is important to verify if the destination directory has write permissions to prevent any potential issues. The `is_wri...

How can one verify the accuracy of the response from checkdnsr function when dealing with internet servers?

When dealing with internet servers, one can verify the accuracy of the response from the checkdnsr function by cross-referencing the results with othe...

How can the echo function be utilized to troubleshoot and verify the file path before executing the 'unlink' function in PHP?

To troubleshoot and verify the file path before executing the 'unlink' function in PHP, you can use the 'echo' function to output the file path before...

What is the function used to verify the existence of a file or directory in PHP?

To verify the existence of a file or directory in PHP, you can use the `file_exists()` function. This function takes a file path as its parameter and...

What function can be used in PHP to verify the number of rows returned by a database query?

To verify the number of rows returned by a database query in PHP, you can use the `mysqli_num_rows()` function. This function returns the number of ro...