Search results for: "pointer"

What is the purpose of mysqli_result::field_seek() in PHP and how does it differ from data_seek()?

The purpose of mysqli_result::field_seek() in PHP is to adjust the current field offset of a result set. This function allows you to move the pointer...

How can the fwrite problem mentioned in the thread be resolved in PHP?

The fwrite problem mentioned in the thread can be resolved by checking if the file pointer is valid before attempting to write to the file. This can b...

How can one ensure proper file size retrieval when using fopen in PHP?

When using fopen in PHP to retrieve file size, it is important to handle the file pointer correctly to ensure proper file size retrieval. One way to d...

What are common pitfalls when accessing form data within a while loop in PHP?

Common pitfalls when accessing form data within a while loop in PHP include not properly resetting the form data pointer after the loop, leading to un...

What is the potential issue with opening a text file using "a+" mode in PHP and how does it affect the comparison of existing data?

When opening a text file using "a+" mode in PHP, the file pointer is positioned at the end of the file for writing. This can cause issues when trying...