Search results for: "assertion checking"

How can PHP code be improved to ensure correct handling of form data before sending emails?

To ensure correct handling of form data before sending emails in PHP, it is important to validate and sanitize the input data to prevent security vuln...

How can PHP developers ensure the security of their code when processing user input from forms?

PHP developers can ensure the security of their code when processing user input from forms by implementing input validation and sanitization. This inv...

In the provided code examples, what are the differences between using isset and empty functions for session variables?

When checking session variables in PHP, it is important to differentiate between using isset and empty functions. isset checks if a variable is set an...

How can external variables be used to trigger specific actions in PHP scripts?

External variables in PHP can be used to trigger specific actions in scripts by checking the value of the variable and executing corresponding code ba...

What are some best practices for extracting specific text from a variable in PHP?

When extracting specific text from a variable in PHP, one best practice is to use built-in functions like `strpos` and `substr` to locate and extract...