<?php namespace Sample; var_dump(is_resource(STDOUT)); function f1($f) { fwrite($f, "1 called!\n"); } function f2(resource $f) { fwrite($f, "2 called!\n"); } function f3(resource $f) { fwrite($f, "3 called!\n"); } f1(STDOUT); f2(STDOUT); f3(STDOUT);
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