Search results for: "MySQLi functions"

What is the significance of using isset() or empty() functions when handling variables in PHP?

When handling variables in PHP, it is important to check if a variable is set or not empty before using it to avoid potential errors or unexpected beh...

What are some common pitfalls to avoid when sorting arrays in PHP using callback functions?

One common pitfall to avoid when sorting arrays in PHP using callback functions is not properly handling cases where the callback function returns 0....

How can the PHP functions empty(), in_array(), and require_once() be used in conjunction with cookies?

When working with cookies in PHP, it's important to check if a cookie is empty before using its value, to avoid errors. The `empty()` function can be...

What best practices should be followed when working with PHP functions that return multiple values?

When working with PHP functions that return multiple values, it is best practice to use an associative array to store and return these values. This al...

How can PHP developers effectively utilize PHP.net documentation to troubleshoot and understand functions like number_format()?

To effectively utilize PHP.net documentation to troubleshoot and understand functions like number_format(), PHP developers can refer to the official d...