Lawrence Lawrence - 2 years ago 125
PHP Question

Where can I find in PHP source files where is the code of an internal function like is_string()?

I already downloaded the source, and I think the code of is_string() is somewhere in ext/standard/, but I am not sure.

Answer Source


You can also find it online:

Edit to add: You can find different version by replacing the h key with e.g.: h=refs%2Fheads%2FPHP-5.6.31

PHP5 uses fewer macros than PHP7, so it looks more like normal C.

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