Call a function in php from another file

There may be a situation when you need to import a variable from the main program into a function, or vice versa. In such cases, you can use the global keyword before the variables inside a function. This keyword turns the variable into a global variable, making it visible or accessible both inside and outside the function, as show in the example below:.

You will learn more about visibility and access control in PHP classes and objects chapter. A recursive function is a function that calls itself again and again until a condition is satisfied. Recursive functions are often used to solve complex mathematical calculations, or to process deeply nested structures e.

Note: Be careful while creating recursive functions, because if code is written improperly it may result in an infinite loop of function calling. Is this website helpful to you? Please give us a like , or share your feedback to help us improve. Connect with us on Facebook and Twitter for the latest updates. Example Run this code ». Previous Page Next Page. All Rights Reserved. Share This:. Asked 11 years, 8 months ago. Active 6 years, 3 months ago. Viewed k times. Improve this question.

Eric Leschinski k 87 87 gold badges silver badges bronze badges. Add a comment. Active Oldest Votes. Just use include or one of its friends: For example, in a. Improve this answer.

Ignacio Vazquez-Abrams Ignacio Vazquez-Abrams k gold badges silver badges bronze badges. My page seems to be caching the result when I include, so when I rerun the file, it doesn't take as long. Can't this cause problems if both PHP files are using the same variable names? Turns out you don't need to put include statements at the beginning of your document, you can put them where needed throughout your file. Mark Baker Mark Baker k 29 29 gold badges silver badges bronze badges.

Thanks for your answer. Begin your file like this:! Rob Kennedy Rob Kennedy k 20 20 gold badges silver badges bronze badges. This came across while working on a project on linux platform. Hope this helps!! Amar Amar 2, 1 1 gold badge 12 12 silver badges 16 16 bronze badges. Why are people voting this down? Basit Basit 1, 2 2 gold badges 27 27 silver badges 48 48 bronze badges. Zahid Ali Zahid Ali 3 2 2 bronze badges. Sign up or log in Sign up using Google.

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