Search results for: "Mistakes"

What are common mistakes when querying MySQL rows in PHP?

Common mistakes when querying MySQL rows in PHP include not properly sanitizing user input, not checking for errors in the query execution, and not fe...

What are common beginner mistakes when defining variables in PHP?

Common beginner mistakes when defining variables in PHP include using invalid variable names (e.g. starting with a number or containing special charac...

What are some common mistakes to avoid when using str_pad() in PHP?

Common mistakes to avoid when using str_pad() in PHP include not specifying the correct length for padding, not providing the correct padding characte...

What are common mistakes when using arrays in PHP?

Common mistakes when using arrays in PHP include not properly initializing arrays before use, not using the correct syntax to access array elements, a...

What are the common mistakes that developers make when using echo statements in PHP, and how can these mistakes be avoided to prevent blank pages or incorrect output?

Common mistakes when using echo statements in PHP include forgetting to enclose variables in quotes, using echo inside HTML tags without proper concat...