PHP ob_get_clean function

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ob_get_clean

(PHP 4 >= 4.3.0, PHP 5)

This will return the contents of the output buffer and end output
buffering. If output buffering isn’t active then FALSE is returned.
ob_get_clean() essentially executes both
ob_get_contents() and
ob_end_clean().

Example 1. A simple ob_get_clean() example

 
ob_start();
 
echo "Hello World";
 
$out = ob_get_clean();
$out = strtolower($out);
 
var_dump($out);

Our example will output:

See also ob_start() and
ob_get_contents().