PHP Manual . Prev . Next . PHP 4 >= 4.0.2) curl_exec -- Perform a CURL session . bool curl_exec ( int ch) . This function is should be called after you initialize a CURL session and all the options for the session are set. ... Tip: As with anything that outputs its result directly to the browser, you can use the output-control functions to capture the output of this function, and save it - for example - in a string . ... curl_setopt . ... curl_close ...