csu3_am335x/EVSE/GPL/php-8.1.12/ext/ffi/tests/200.phpt

--TEST--
FFI 200: PHP callbacks
--EXTENSIONS--
ffi
--SKIPIF--
<?php require_once('utils.inc'); ?>
<?php
try {
    FFI::cdef("void* zend_write;", ffi_get_php_dll_name());
} catch (Throwable $e) {
    die('skip PHP symbols not available');
}
?>
--INI--
ffi.enable=1
opcache.jit=0
--FILE--
<?php
require_once('utils.inc');
$zend = FFI::cdef("
    typedef size_t (*zend_write_func_t)(const char *str, size_t str_length);
    extern zend_write_func_t zend_write;
", ffi_get_php_dll_name());

echo "Hello World!\n";

$orig_zend_write = clone $zend->zend_write;
$zend->zend_write = function($str, $len) {
    global $orig_zend_write;
    $orig_zend_write("{\n\t", 3);
    $ret = $orig_zend_write($str, $len);
    $orig_zend_write("}\n", 2);
    return $ret;
};
echo "Hello World!\n";
$zend->zend_write = $orig_zend_write;

echo "Hello World!\n";
?>
--EXPECT--
Hello World!
{
	Hello World!
}
Hello World!