WordPress at a glance
function is not described

wp_cache_confirm_delete() WPSCache 1.0

returns true/false depending on location of $dir.

No Hooks.

Return

Null. Nothing.

Usage

wp_cache_confirm_delete( $dir );

Code of wp_cache_confirm_delete() WPSCache 1.7.1

<?php
function wp_cache_confirm_delete( $dir ) {
	global $cache_path, $blog_cache_dir;
	// don't allow cache_path, blog cache dir, blog meta dir, supercache.
	$dir = wpsc_get_realpath( $dir );

	if ( ! $dir ) {
		wp_cache_debug( 'wp_cache_confirm_delete: directory does not exist' );
		return false;
	}

	if ( ! wpsc_is_in_cache_directory( $dir ) ) {
		return false;
	}

	$rp_cache_path = wpsc_get_realpath( $cache_path );

	if ( ! $rp_cache_path ) {
		wp_cache_debug( "wp_cache_confirm_delete: cache_path does not exist: $cache_path" );
		return false;
	}

	if (
		$dir == '' ||
		$dir == $rp_cache_path ||
		$dir == wpsc_get_realpath( $blog_cache_dir ) ||
		$dir == wpsc_get_realpath( $blog_cache_dir . "meta/" ) ||
		$dir == wpsc_get_realpath( $cache_path . "supercache" )
	) {
		return false;
	} else {
		return true;
	}
}