A dynamic insert query in PHP refers to a SQL INSERT statement that is generated dynamically based on the data provided, rather than being hardcoded. This allows for greater flexibility when inserting data into a database, especially when dealing with … Read More
The error message “PHP Fatal error: Uncaught Error: Call to a member function errorInfo() on null” indicates that your PHP code is trying to call the errorInfo() method on an object that is null. This usually happens when a database … Read More
In PHP, a placeholder in an include_once statement typically refers to a dynamic value that is inserted into the file path string using string interpolation or formatting functions. This allows you to include files based on variables or other dynamic … Read More
The ternary operator in PHP is a shorthand way of performing conditional assignments or expressions. it functions as if statement for instance if the condition true we assign true or else we assign false depending on condition implemented in ternary … Read More
In PHP, several features, functions, and practices have been deprecated over time to improve the language and its security, performance, and maintainability. Deprecated features are those that are still available but are not recommended for use and are likely to … Read More
In PHP, empty() and !empty() are functions used to determine whether a variable is empty or not. Proper use of these functions can help you write effective and error-free code. empty() The empty() function checks if a variable is considered … Read More
isset is a built-in PHP function that checks if a variable is set and is not null. It is commonly used to verify the existence of variables before attempting to use them, thereby avoiding errors that may occur from trying … Read More
$_REQUEST is a superglobal array in PHP that contains data from various sources: $_GET, $_POST, and $_COOKIE. It allows you to access form data sent via both GET and POST methods, as well as cookie data, in a single associative … Read More
The trace function is used to identify and follow data flow in PHP. It helps in debugging by allowing you to track the value of a variable at different points in your code. By using trace($a), you can detect the … Read More
Creating a professional portfolio is an essential step for anyone looking to showcase their skills, achievements, and experiences. Whether you are a student, a professional, or a freelancer, a … Read More