Search results for: "parameter formatting"

What are common pitfalls when using PHP to extract month and year from a URL parameter?

Common pitfalls when extracting month and year from a URL parameter in PHP include not properly validating and sanitizing the input, not handling edge...

What parameter should be adjusted when using Cell() or MultiCell() to modify line spacing in FPDF?

When using FPDF's Cell() or MultiCell() functions to output text, the line spacing can be adjusted by setting the line height parameter. By default, t...

How can the use of http_build_query simplify and improve the cleanliness of PHP code for URL parameter manipulation?

When manipulating URL parameters in PHP, manually concatenating key-value pairs can lead to messy and error-prone code. Using the http_build_query fun...

How can the error "Invalid parameter number: parameter was not defined" in a PDOException be resolved in PHP?

The error "Invalid parameter number: parameter was not defined" in a PDOException occurs when the number of parameters in a prepared statement does no...

How can the error "Warning: mysql_num_rows() expects parameter" be resolved in PHP?

The error "Warning: mysql_num_rows() expects parameter" occurs when the mysql_num_rows() function is called without passing the result set parameter....