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Tag: php-ffi

php-ffi: Return type const char* is a string

Why is the result of const char * a string and char * an object „byte-array“? A simple example: returns Removing const from the definition returns: Background A function of a dynamically linked external C library returns binary data which include NULL-bytes. When const is in the definition of the header file the resulting string is not complete = shortened

PHP FFI – return array rom Rust function back to PHP

I need to return few values from rust function. Tried to declare function which returns an array But got an error: PHP Fatal error: Uncaught FFIParserException: function returning array is not allowed at line 1 in /array.php:3 It seems PHP FFI can’t work with arrays directly. So I found another solution. I created C-array from PHP, then passed pointer to

php-ffi: Assign char* of a struct

I’m trying to set the value of a char* of a struct. This is a basic example: I’m getting an exception: FFIException: Incompatible types when assigning to type ‘char*’ from PHP ‘string’ My question is: How to set the char *name of a struct? My dirty way was to make an array of chars, str_split the string and set the

Problem loading a library with FFI in PHP 7.4

I’m having trouble using a third party .so library in PHP with the new FFI. When I run this little piece of code: PHP outputs me this error: Is this a problem with the library itself, my PHP configuration or something else? It’s confusing to me, because I can use normally this same library with this C++ code: I’m aware

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