2245563423/php-scalar-obj repository overview

docker run -it --rm -v "$PWD":/myapp -w /myapp 2245563423/php-scalar-obj php myscript.php

FROM 2245563423/php-scalar-obj

WORKDIR /myapp

COPY . .

CMD [ "php" "myscript.php"]

<?php

class StringHandler {
    public static function length($self) {
        return strlen($self);
    }

    public static function startsWith($self, $other) {
        return strpos($self, $other) === 0;
    }

    // Add more functions ...
}

register_primitive_type_handler('string', 'StringHandler');

$string = "abc";
var_dump($string->length()); // int(3)
var_dump($string->startsWith("a")); // bool(true)
var_dump("Hello"->startsWith("h")); // bool(false)
var_dump("Hello"->startsWith("H")); // bool(true)