PHP ob_get_flush function

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ob_get_flush

(PHP 4 >= 4.3.0, PHP 5)

ob_get_flush() flushes the output buffer, return
it as a string and turns off output buffering.
ob_get_flush() returns FALSE if no buffering is
active.

Note:
This function is similar to ob_end_flush(), except
that this function returns the buffer as a string.

Example 1. ob_get_flush() example

//using output_buffering=On
print_r(ob_list_handlers());
 
//save buffer in a file
$buffer = ob_get_flush();
file_put_contents('buffer.txt', $buffer);
 
print_r(ob_list_handlers());

The above example will output:

See also ob_end_clean(),
ob_end_flush() and
ob_list_handlers().