How to clear buffer in php

In PHP, you can clear the output buffer through the "ob_clean" function. The syntax of this function is "ob_clean (void): void". This function is used to discard the contents of the output buffer, but it will not be used like The output buffer is destroyed like the "ob_end_clean" function.

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php clear buffer

ob_clean

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

ob_clean — Clear (erase) the output buffer

Description

ob_clean ( void ) : void

This function is used to discard the contents of the output buffer.

This function does not destroy the output buffer like the ob_end_clean() function.

Output buffering must have been started by ob_start() with the PHP_OUTPUT_HANDLER_CLEANABLE flag. Otherwise ob_clean() will have no effect.

Return value

No return value.

Note:

ob_flush() - flush out (send out) the contents of the output buffer

ob_end_flush() - flush out (send out) the output buffer content and close the buffer

ob_end_clean() - clear (erase) the buffer and close the output buffer

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