REQUIRE PHP 8.2 OR SUPERRIOR

As this is a fearly recent versions of PHP, you might have to compile it.

it's like

./buildconf ./configure --with-curl; make -jNUMBER_OF_CORE_FLEX; ./sapi/cli/php PATH/TO/PHP8.2/FILE

Also note that in comparaison to other language, this example use PHP curl modules(and not FFI), which is generally package by default with PHP.

0. simple call to read images, with a small filter, data manipulate as string
1. similar example, with 2 diferents call, with object-like manipulation of data