Search results for: "POST variable"

How can initializing the array $lottery before using it help in avoiding errors in PHP?

Initializing the array $lottery before using it can help avoid errors in PHP by ensuring that the variable is defined and ready to be used. If the arr...

How can the confusion between percentages of employees and percentages of cars be resolved in the context of the PHP script?

To resolve the confusion between percentages of employees and percentages of cars in the PHP script, we can use clear and descriptive variable names t...

What role does PathInfo play in determining the behavior of PHP scripts accessed through URLs?

PathInfo is a PHP server variable that contains information about the path of the current script. It is commonly used in URL rewriting to determine th...

What steps can be taken to troubleshoot a "Fatal error: Attempt to assign property on null" message in PHP?

To troubleshoot a "Fatal error: Attempt to assign property on null" message in PHP, you need to ensure that the variable you are trying to access is n...

What is the importance of using is_numeric() over is_int() when validating form input in PHP?

When validating form input in PHP, it is important to use is_numeric() over is_int() because is_numeric() checks if a variable is a number or a numeri...