PHP 8.4.0 RC2 available for testing

Комплексный пример PHP/FFI/preloading

php.ini

ffi.enable=preload
opcache.preload=preload.php

preload.php

<?php

FFI
::load(__DIR__ . "/dummy.h");
opcache_compile_file(__DIR__ . "/dummy.php");

?>

dummy.h

#define FFI_SCOPE "DUMMY"
#define FFI_LIB "libc.so.6"

int printf(const char *format, ...);

dummy.php

<?php

final class Dummy
{
private static
$ffi = null;

function
__construct()
{
if (
is_null(self::$ffi)) {
self::$ffi = FFI::scope("DUMMY");
}
}

function
printf($format, ...$args)
{
return (int)
self::$ffi->printf($format, ...$args);
}
}

?>

test.php

<?php

$d
= new Dummy();
$d->printf("Привет, %s!\n", "мир");

?>
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