Learn how to use the PHP return statement to return a value within a function. Then, explore function arguments in addition to built-in PHP functions.
Although with PHP file I/O you can’t write to a user’s hard drive, the programming language does allow users to write to a web server. Find out how it’s done!
Find out how to read files and display them using PHP script. Learn to Program shows how to use PHP pointers and functions to access text files.
Learn how to edit files with the PHP programming language! Learn to Program shows how to write PHP scripts to add to files, and to delete them.
CSV files are often used to store inventory information or other data table values. Learn how to read CSV files in PHP and display them in a browser.
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