Search for hook_file

Title	Object type	File name	Summary
hook_filetransfer_info	function	modules/system/system.api.php	Register information about FileTransfer classes provided by a module.
hook_filetransfer_info_alter	function	modules/system/system.api.php	Alter the FileTransfer class registry.
hook_file_copy	function	modules/system/system.api.php	Respond to a file that has been copied.
hook_file_delete	function	modules/system/system.api.php	Respond to a file being deleted.
hook_file_download	function	modules/system/system.api.php	Control access to private file downloads and specify HTTP headers.
hook_file_download_access	function	modules/file/file.api.php	Control download access to files.
hook_file_download_access_alter	function	modules/file/file.api.php	Alter the access rules applied to a file download.
hook_file_insert	function	modules/system/system.api.php	Respond to a file being added.
hook_file_load	function	modules/system/system.api.php	Load additional information into file objects.
hook_file_mimetype_mapping_alter	function	modules/system/system.api.php	Alter MIME type mappings used to determine MIME type from a file extension.
hook_file_move	function	modules/system/system.api.php	Respond to a file that has been moved.
hook_file_presave	function	modules/system/system.api.php	Act on a file being inserted or updated.
hook_file_update	function	modules/system/system.api.php	Respond to a file being updated.
hook_file_url_alter	function	modules/system/system.api.php	Alter the URL to a file.
hook_file_validate	function	modules/system/system.api.php	Check that files meet a given criteria.

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