Level 122
built-in PHP functions are written in C / C++
If you want to know how to use the function, use the PHP website, eg https://www.php.net/manual/en/function.strlen.php
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I have a VS Code code editor, i write a code for my necessity like strlen(), this function work nicely but i want to explore what logic write in under the strlen function defination, plz share your experience about this. Advance thanks everyone.
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