<?php
header("Content-type: image/jpeg");
$convert =
proc_open("/usr/bin/convert -quality 100 svg:- jpg:-",
$descriptorspec,
$pipes);
fwrite($pipes[0],
"<?xml version=\"1.0\" standalone=\"no\"?><svg width=\"100%\" height=\"100%\" version=\"1.1\"><circle cx=\"100\" cy=\"50\" r=\"40\" stroke=\"black\" stroke-width=\"2\" fill=\"red\"/></svg>");
$jpg .=
fread($pipes[1],
1024);
?>