php输出缓冲的小例子

//开启缓冲
ob_start();
// Output stuff (probably not this simple, might be custom CMS functions...
echo 'Print to the screen!!!';
// Get value of buffering so far
$getContent = ob_get_contents();
// Stop buffering
ob_end_clean();

// Do stuff to $getContent as needed
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// Use it
echo 'Now: ' . $getContent;
?>