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How to Call a Routine in PHP. One of the most basic reasons to use a computer-programming language is for task automation. Through a series of logical decisions, developers can use code to ...
PHP supports several types of functions including user-defined functions, internal functions, variable functions, and anonymous functions. New Function to define Array Constants ...
The MySQL SUM function takes the fields or rows you input and adds their values together, then returns the total. Save your query in a PHP variable. You can use the function as many times as you ...