wpsupercache_buffer filter-hookWPSCache 1.0

Usage

add_filter( 'wpsupercache_buffer', 'wp_kama_wpsupercache_buffer_filter' );

/**
 * Function for `wpsupercache_buffer` filter-hook.
 * 
 * @param  $buffer 
 *
 * @return 
 */
function wp_kama_wpsupercache_buffer_filter( $buffer ){

	// filter...
	return $buffer;
}
$buffer
-

Where the hook is called

wp_cache_get_ob()
wpsupercache_buffer
wp-super-cache/wp-cache-phase2.php 2320
$buffer      = apply_filters( 'wpsupercache_buffer', $buffer );

Where the hook is used in WP Super Cache

wp-super-cache/plugins/awaitingmoderation.php 11
add_filter( 'wpsupercache_buffer', 'awaitingmoderation_action' );