Web Reference: Passing by Reference ¶ You can pass a variable by reference to a function so the function can modify the variable. The syntax is as follows: Aug 4, 2008 · To allow a function to modify its arguments, they must be passed by reference. To have an argument to a function always passed by reference, prepend an ampersand (&) to the argument name in the function definition. In PHP, you can pass parameters by reference using the & symbol before the parameter name in the function definition. This allows the function to modify the original variable instead of working with a copy.
YouTube Excerpt: Overview In this video, I delve into the fundamental concepts of
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