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-Functions
	replace_macros ($s, $r)

	random_string ($size=64, $type=RANDOM_STRING_HEX)

	notags ($string)

	escape_tags ($string)

	z_input_filter ($channel_id, $s, $type= 'text/bbcode')

	purify_html ($s)

	autoname ($len)

	xmlify ($str)

	unxmlify ($s)

if(!function_exists('hex2bin'))	paginate (&$a)

	alt_pager (&$a, $i, $more= '', $less= '')

	expand_acl ($s)

	sanitise_acl (&$item)

	perms2str ($p)

	item_message_id ()
	Generate a guaranteed unique (for this domain) item ID for ATOM. More...

	photo_new_resource ()
	Generate a guaranteed unique photo ID. More...

	attribute_contains ($attr, $s)

	logger ($msg, $level=0)
	Logging function for RedMatrix. More...

	dlogger ($msg, $level=0)
	This is a special logging facility for developers. More...

	profiler ($t1, $t2, $label)

	activity_match ($haystack, $needle)

	get_tags ($s)

	tag_sort_length ($a, $b)

	strip_zids ($s)

	qp ($s)

	get_mentions ($item, $tags)

	contact_block ()

	chanlink_hash ($s)

	chanlink_url ($s)

	chanlink_cid ($d)

	magiclink_url ($observer, $myaddr, $url)

	micropro ($contact, $redirect=false, $class= '', $textmode=false)

	search ($s, $id='search-box', $url='/search', $save=false)

	searchbox ($s, $id='search-box', $url='/search', $save=false)

	valid_email ($x)

	linkify ($s, $me=false)

	sslify ($s)

	get_poke_verbs ()

	get_mood_verbs ()

	list_smilies ()

	smilies ($s, $sample=false)

	smile_shield ($m)

	smile_unshield ($m)

	preg_heart ($x)

	day_translate ($s)

	normalise_link ($url)

	link_compare ($a, $b)

	unobscure (&$item)

	theme_attachments (&$item)

	format_categories (&$item, $writeable)

	format_hashtags (&$item)

	format_mentions (&$item)

	format_filer (&$item)

	generate_map ($coord)

	generate_named_map ($location)

	prepare_body (&$item, $attach=false)

	prepare_text ($text, $content_type= 'text/bbcode')

	zidify_callback ($match)

	zidify_img_callback ($match)

	zidify_links ($s)

	feed_hublinks ()

	feed_salmonlinks ($nick)

	get_plink ($item, $conversation_mode=true)

	unamp ($s)

	layout_select ($channel_id, $current= '')

	mimetype_select ($channel_id, $current= 'text/bbcode')

	lang_selector ()

	return_bytes ($size_str)

	base64url_encode ($s, $strip_padding=true)

	base64url_decode ($s)

	cleardiv ()

	bb_translate_video ($s)

	html2bb_video ($s)

	array_xmlify ($val)

	reltoabs ($text, $base)

	item_post_type ($item)

	undo_post_tagging ($s)

	fix_mce_lf ($s)

	protect_sprintf ($s)

	is_a_date_arg ($s)

	legal_webbie ($s)

	check_webbie ($arr)

	ids_to_querystr ($arr, $idx= 'id')

	xchan_query (&$items, $abook=true, $effective_uid=0)

	xchan_mail_query (&$item)

	find_xchan_in_array ($xchan, $arr)

	get_rel_link ($j, $rel)

	magic_link ($s)

	stringify_array_elms (&$arr, $escape=false)

	jindent ($json)

	json_decode_plus ($s)

	design_tools ()

	in_arrayi ($needle, $haystack)

	normalise_openid ($s)

	extra_query_args ()

	handle_tag ($a, &$body, &$access_tag, &$str_tags, $profile_uid, $tag)

	linkify_tags ($a, &$body, $uid)

	getIconFromType ($type)
	returns icon name for use with e.g. font-awesome based on mime-type More...

	userReadableSize ($size)
	Returns a human readable formatted string for filesizes. More...

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-Variables
const	RANDOM_STRING_HEX 0x00

const	RANDOM_STRING_TEXT 0x01

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Function Documentation

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activity_match	(	$haystack,
		$needle
	)

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Referenced by Item\add_child(), Conversation\add_thread(), builtin_activity_puller(), conversation(), get_atom_elements(), item_post_type(), localize_item(), remove_community_tag(), and visible_activity().

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alt_pager	(	&	$a,
			$i,
			$more = `''`,
			$less = `''`
	)

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Referenced by channel_content(), directory_content(), home_content(), message_content(), and network_content().

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array_xmlify ( $val )

-

apply xmlify() to all values of array $val, recursively

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Referenced by api_apply_template(), and poco().

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attribute_contains	(	$attr,
		$s
	)

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Referenced by scrape_vcard().

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autoname ( $len )

-

generate a string that's random, but usually pronounceable. used to generate initial passwords

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Parameters

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int $len

-

Returns: string

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Referenced by check_php(), invite_post(), and lostpass_content().

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base64url_decode ( $s )

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base64url_encode	(	$s,
		$strip_padding = `true`
	)

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bb_translate_video ( $s )

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Referenced by item_post().

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chanlink_cid ( $d )

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Referenced by connedit_content().

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chanlink_hash ( $s )

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Referenced by item_photo_menu(), mail_content(), message_content(), and micropro().

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chanlink_url ( $s )

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Referenced by builtin_activity_puller(), Item\check_wall_to_wall(), connections_content(), directory_content(), fetch_post_tags(), Item\get_template_data(), localize_item(), randprof_init(), suggest_content(), viewconnections_content(), and widget_suggestions().

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check_webbie ( $arr )

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Referenced by create_identity(), foofoo(), and new_channel_init().

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cleardiv ( )

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@ Return a div to clear floats.

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Returns: string

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Referenced by common_content(), and match_content().

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contact_block ( )

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Referenced by profile_sidebar().

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day_translate ( $s )

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Referenced by advanced_profile(), cal(), events_content(), format_event_diaspora(), format_event_html(), get_birthdays(), get_events(), list_post_dates(), ping_init(), and posted_dates().

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design_tools ( )

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Referenced by widget_design_tools().

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dlogger	(	$msg,
		$level = `0`
	)

-

- -

This is a special logging facility for developers.

-

It allows one to target specific things to trace/debug and is identical to logger() with the exception of the log filename. This allows one to isolate specific calls while allowing logger() to paint a bigger picture of overall activity and capture more detail.

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If you find dlogger() calls in checked in code, you are free to remove them - so as to provide a noise-free development environment which responds to events you are targetting personally.

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Parameters

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string	$msg	Message to log
int	$level	A log level.

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escape_tags ( $string )

-

use this on "body" or "content" input where angle chars shouldn't be removed, and allow them to be safely displayed.

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Parameters

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string $string

-

Returns: string

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Referenced by admin_page_logs(), app_store(), app_update(), appman_post(), bookmark_add(), chatsvc_post(), connect_post(), connedit_post(), create_identity(), events_post(), fsuggest_post(), get_atom_elements(), item_post(), mail_post(), mail_store(), menu_add_item(), menu_create(), menu_edit(), menu_edit_item(), network_content(), notes_init(), pdledit_post(), poco_load(), post_activity_item(), prate_post(), profiles_post(), rate_post(), rbmark_content(), rbmark_post(), thing_init(), and z_input_filter().

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expand_acl ( $s )

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Referenced by collect_recipients(), enumerate_permissions(), file_activity(), lockview_content(), and recursive_activity_recipients().

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extra_query_args ( )

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Referenced by connections_content(), directory_content(), and photos_content().

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feed_hublinks ( )

-

return atom link elements for all of our hubs

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feed_salmonlinks ( $nick )

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find_xchan_in_array	(	$xchan,
		$arr
	)

-

- -

Referenced by private_messages_fetch_conversation(), private_messages_fetch_message(), private_messages_list(), xchan_mail_query(), and xchan_query().

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fix_mce_lf ( $s )

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- -

Referenced by profiles_post().

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format_categories	(	&	$item,
			$writeable
	)

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Referenced by prepare_body().

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format_filer ( & $item )

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Referenced by prepare_body().

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format_hashtags ( & $item )

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Referenced by prepare_body().

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format_mentions ( & $item )

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Referenced by prepare_body().

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generate_map ( $coord )

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Referenced by bb_map_coords(), and prepare_body().

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generate_named_map ( $location )

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Referenced by bb_map_location().

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get_mentions	(	$item,
		$tags
	)

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get_mood_verbs ( )

-

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Referenced by mood_content(), and mood_init().

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get_plink	(	$item,
		$conversation_mode = `true`
	)

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Referenced by conversation(), and Item\get_template_data().

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get_poke_verbs ( )

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Referenced by poke_content(), and poke_init().

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get_rel_link	(	$j,
		$rel
	)

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Referenced by localize_item(), remove_community_tag(), sharedwithme_content(), and tag_deliver().

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get_tags ( $s )

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Referenced by linkify_tags().

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getIconFromType ( $type )

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returns icon name for use with e.g. font-awesome based on mime-type

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Parameters

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string $type

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Returns: string

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Referenced by RedMatrix\RedDAV\RedBrowser\generateDirectoryIndex(), and sharedwithme_content().

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handle_tag	(		$a,
		&	$body,
		&	$access_tag,
		&	$str_tags,
			$profile_uid,
			$tag
	)

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This function removes the tag $tag from the text $body and replaces it with the appropiate link.

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Parameters

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unknown_type	$body	the text to replace the tag in
unknown_type	$access_tag	- used to return tag ACL exclusions e.g. @!foo
unknown_type	$str_tags	string to add the tag to
unknown_type	$profile_uid
unknown_type	$tag	the tag to replace

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Returns: boolean true if replaced, false if not replaced

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Referenced by linkify_tags().

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html2bb_video ( $s )

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Referenced by api_statuses_mediap(), api_statuses_update(), and get_atom_elements().

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ids_to_querystr	(	$arr,
		$idx = `'id'`
	)

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Referenced by channel_content(), display_content(), home_content(), items_fetch(), network_content(), and zot_feed().

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in_arrayi	(	$needle,
		$haystack
	)

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Referenced by directory_content(), and import_directory_profile().

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is_a_date_arg ( $s )

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Referenced by channel_content(), and network_content().

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item_message_id ( )

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Generate a guaranteed unique (for this domain) item ID for ATOM.

-

Safe from birthday paradox.

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Returns: string a unique id

- -

Referenced by event_store_item(), file_activity(), impel_init(), item_post(), like_content(), mood_init(), photo_upload(), photos_create_item(), post_activity_item(), profile_activity(), and subthread_content().

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item_post_type ( $item )

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Referenced by notification().

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jindent ( $json )

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Indents a flat JSON string to make it more human-readable.

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Parameters

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string $json The original JSON string to process.

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Returns: string Indented version of the original JSON string.

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json_decode_plus ( $s )

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Referenced by diaspora_send_mail(), editpost_content(), editwebpage_content(), encode_item(), encode_mail(), localize_item(), private_messages_fetch_conversation(), private_messages_fetch_message(), private_messages_list(), remove_community_tag(), tag_deliver(), theme_attachments(), and unobscure().

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lang_selector ( )

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Referenced by lang_content().

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layout_select	(	$channel_id,
		$current = `''`
	)

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Referenced by editwebpage_content().

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legal_webbie ( $s )

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Referenced by check_webbie(), and new_channel_init().

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link_compare	(	$a,
		$b
	)

-

Compare two URLs to see if they are the same, but ignore slight but hopefully insignificant differences such as if one is https and the other isn't, or if one is www.something and the other isn't - and also ignore case differences.

-

Return true if the URLs match, otherwise false.

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Referenced by consume_feed(), diaspora_retraction(), pubsub_init(), pubsubhubbub_init(), tag_deliver(), tgroup_check(), and zid().

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linkify	(	$s,
		$me = `false`
	)

-

Function: linkify

-

Replace naked text hyperlink with HTML formatted hyperlink

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Referenced by advanced_profile(), directory_content(), and profile_sidebar().

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linkify_tags	(		$a,
		&	$body,
			$uid
	)

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Referenced by admin_page_site_post(), diaspora_comment(), diaspora_post(), diaspora_reshare(), events_post(), item_post(), mail_post(), photos_post(), and profiles_post().

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list_smilies ( )

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Referenced by smilies(), and smilies_content().

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logger	(	$msg,
		$level = `0`
	)

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Logging function for RedMatrix.

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Logging output is configured through RedMatrix's system config. The log file is set in system logfile, log level in system loglevel and to enable logging set system debugging.

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Available constants for log level are LOGGER_NORMAL, LOGGER_TRACE, LOGGER_DEBUG, LOGGER_DATA and LOGGER_ALL.

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Since PHP5.4 we get the file, function and line automatically where the logger was caleld, so no need to add it to the message anymore.

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Parameters

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string	$msg	Message to log
int	$level	A log level.

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magic_link ( $s )

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magiclink_url	(	$observer,
		$myaddr,
		$url
	)

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Referenced by item_redir_and_replace_images().

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micropro	(	$contact,
		$redirect = `false`,
		$class = `''`,
		$textmode = `false`
	)

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Referenced by contact_block().

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mimetype_select	(	$channel_id,
		$current = `'text/bbcode'`
	)

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Referenced by editblock_content(), and editwebpage_content().

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normalise_link ( $url )

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Referenced by best_link_url(), conversation(), delegate_content(), item_photo_menu(), link_compare(), tag_deliver(), and tgroup_check().

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normalise_openid ( $s )

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Referenced by openid_content().

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notags ( $string )

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This is our primary input filter.

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The high bit hack only involved some old IE browser, forget which (IE5/Mac?) that had an XSS attack vector due to stripping the high-bit on an 8-bit character after cleansing, and angle chars with the high bit set could get through as markup.

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This is now disabled because it was interfering with some legitimate unicode sequences and hopefully there aren't a lot of those browsers left.

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Use this on any text input where angle chars are not valid or permitted They will be replaced with safer brackets. This may be filtered further if these are not allowed either.

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Parameters

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string $string Input string

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Returns: string Filtered string

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Referenced by admin_page_logs_post(), admin_page_site_post(), channel_content(), connections_content(), conversation(), create_account(), diaspora_asphoto(), diaspora_comment(), diaspora_conversation(), diaspora_like(), diaspora_message(), diaspora_photo(), diaspora_post(), diaspora_profile(), diaspora_reshare(), diaspora_retraction(), diaspora_signed_retraction(), directory_content(), discover_by_url(), filestorage_post(), follow_init(), get_atom_elements(), get_diaspora_reshare_xml(), group_post(), help_content(), invite_post(), item_post(), item_store(), item_store_update(), like_content(), lostpass_post(), mail_post(), mail_store(), mood_init(), network_content(), oexchange_content(), openid_content(), photos_post(), poco(), poke_init(), post_var(), profiles_post(), pubsub_init(), pubsub_post(), register_post(), sanitise_acl(), settings_post(), setup_content(), setup_post(), subthread_content(), tagger_content(), and xrd_init().

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if (!function_exists('hex2bin')) paginate ( & $a )

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Referenced by admin_page_channels(), admin_page_users(), connections_content(), match_content(), and viewconnections_content().

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perms2str ( $p )

-

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Referenced by chat_post(), events_post(), file_activity(), filestorage_post(), item_post(), menu_add_item(), menu_edit_item(), photo_upload(), photos_post(), and settings_post().

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photo_new_resource ( )

-

- -

Generate a guaranteed unique photo ID.

-

Safe from birthday paradox.

-

Returns: string a uniqe hash

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Referenced by import_channel_photo(), import_profile_photo(), and photo_upload().

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preg_heart ( $x )

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prepare_body	(	&	$item,
			$attach = `false`
	)

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Referenced by conversation(), email_send(), and Item\get_template_data().

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prepare_text	(	$text,
		$content_type = `'text/bbcode'`
	)

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Referenced by advanced_profile(), api_format_items(), api_format_messages(), api_status_show(), api_users_show(), atom_entry(), check_item_source(), comanche_block(), connect_content(), prepare_body(), search_content(), and widget_random_block().

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profiler	(	$t1,
		$t2,
		$label
	)

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protect_sprintf ( $s )

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purify_html ( $s )

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Referenced by get_atom_elements(), and z_input_filter().

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qp ( $s )

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random_string	(	$size = `64`,
		$type = `RANDOM_STRING_HEX`
	)

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reltoabs	(	$text,
		$base
	)

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Referenced by get_atom_elements().

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replace_macros	(	$s,
		$r
	)

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This is our template processor

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string \| FriendicaSmarty	$s	the string requiring macro substitution, or an instance of FriendicaSmarty
array	$r	key value pairs (search => replace)

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Returns: string substituted string

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Referenced by achievements_content(), admin_content(), admin_page_channels(), admin_page_dbsync(), admin_page_hubloc(), admin_page_logs(), admin_page_plugins(), admin_page_profs(), admin_page_site(), admin_page_summary(), admin_page_themes(), admin_page_users(), advanced_profile(), alt_pager(), api_apply_template(), api_content(), app_render(), appman_content(), apps_content(), apw_form(), blocks_content(), App\build_pagehead(), categories_widget(), channel_content(), chat_content(), check_config(), check_php(), common_content(), common_friends_visitor_widget(), connect_content(), connections_content(), connedit_content(), construct_page(), contact_block(), conversation(), delegate_content(), design_tools(), diaspora_send_followup(), diaspora_send_images(), diaspora_send_mail(), diaspora_send_relay(), diaspora_send_retraction(), diaspora_send_status(), diaspora_share(), diaspora_unshare(), dir_safe_mode(), dir_sort_links(), directory_content(), display_content(), editblock_content(), editlayout_content(), editpost_content(), editwebpage_content(), events_content(), fbrowser_content(), fileas_widget(), filer_content(), filestorage_content(), findpeople_widget(), format_categories(), format_filer(), RedMatrix\RedDAV\RedBrowser\generateDirectoryIndex(), get_birthdays(), Item\get_comment_box(), get_events(), get_feed_for(), group_content(), group_side(), help_content(), home_content(), hostxrd_init(), RedMatrix\RedDAV\RedBrowser\htmlActionsPanel(), identity_selector(), import_content(), invite_content(), lang_selector(), layouts_content(), locs_content(), login(), lostpass_content(), lostpass_post(), mail_content(), manage_content(), match_content(), menu_content(), menu_render(), message_content(), micropro(), mini_group_select(), mitem_content(), mood_content(), nav(), network_content(), new_channel_content(), notification(), notifications_content(), notify_content(), oembed_format_object(), oexchange_init(), opensearch_init(), p_init(), pagelist_widget(), pdledit_content(), photos_album_widget(), photos_content(), poco(), poke_content(), poll_content(), populate_acl(), profile_sidebar(), profiles_content(), rate_content(), ratings_content(), rbmark_content(), redbasic_form(), register_content(), removeaccount_content(), removeme_content(), rmagic_content(), rpost_content(), search(), search_content(), searchbox(), send_reg_approval_email(), send_verification_email(), setup_content(), setup_post(), sharedwithme_content(), siteinfo_content(), sources_content(), suggest_content(), theme_attachments(), thing_content(), uexport_content(), user_allow(), vcard_from_xchan(), verify_email_address(), viewconnections_content(), vote_content(), webpages_content(), widget_affinity(), widget_appselect(), widget_archive(), widget_bookmarkedchats(), widget_chatroom_list(), widget_filer(), widget_follow(), widget_mailmenu(), widget_notes(), widget_savedsearch(), widget_settings_menu(), widget_suggestedchats(), widget_suggestions(), writepages_widget(), and xrd_init().

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return_bytes ( $size_str )

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sanitise_acl ( & $item )

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search	(	$s,
		$id = `'search-box'`,
		$url = `'/search'`,
		$save = `false`
	)

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Referenced by search_content().

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searchbox	(	$s,
		$id = `'search-box'`,
		$url = `'/search'`,
		$save = `false`
	)

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Referenced by widget_savedsearch().

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smile_shield ( $m )

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smile_unshield ( $m )

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smilies	(	$s,
		$sample = `false`
	)

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Function: smilies

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Description: Replaces text emoticons with graphical images

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: string $s

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Returns string

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It is expected that this function will be called using HTML text. We will escape text between HTML pre and code blocks, and HTML attributes (such as urls) from being processed.

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At a higher level, the bbcode [nosmile] tag can be used to prevent this function from being executed by the prepare_text() routine when preparing bbcode source for HTML display

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Referenced by chatsvc_content(), mail_content(), message_content(), and smilies_content().

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sslify ( $s )

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sslify($s) Replace media element using http url with https to a local redirector if using https locally

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Parameters

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string $s Looks for HTML tags containing src elements that are http when we're viewing an https page Typically this throws an insecure content violation in the browser. So we redirect them to a local redirector which uses https and which redirects to the selected content

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Returns: string

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Referenced by prepare_body().

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stringify_array_elms	(	&	$arr,
			$escape = `false`
	)

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Referenced by expand_groups(), get_things(), identity_basic_export(), lockview_content(), notifier_run(), tagadelic(), and zot_import().

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strip_zids ( $s )

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Referenced by cloud_init(), dav_init(), red_zrl_callback(), and red_zrlify_img_callback().

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tag_sort_length	(	$a,
		$b
	)

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theme_attachments ( & $item )

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Referenced by mail_content(), and prepare_body().

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unamp ( $s )

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Referenced by discover_by_webbie().

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undo_post_tagging ( $s )

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Referenced by editblock_content(), editlayout_content(), editpost_content(), and editwebpage_content().

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unobscure ( & $item )

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Referenced by api_format_items(), api_format_messages(), api_status_show(), api_users_show(), prepare_body(), and webpages_content().

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unxmlify ( $s )

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Referenced by diaspora_asphoto(), diaspora_comment(), diaspora_conversation(), diaspora_like(), diaspora_message(), diaspora_photo(), diaspora_post(), diaspora_profile(), diaspora_request(), diaspora_reshare(), diaspora_retraction(), diaspora_signed_retraction(), discover_by_url(), filer_content(), get_atom_elements(), and get_diaspora_reshare_xml().

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userReadableSize ( $size )

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Returns a human readable formatted string for filesizes.

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Parameters

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int $size filesize in bytes

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Returns: string

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Referenced by RedMatrix\RedDAV\RedBrowser\generateDirectoryIndex(), and sharedwithme_content().

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valid_email ( $x )

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Referenced by check_account_email(), invite_post(), and settings_post().

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xchan_mail_query ( & $item )

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Referenced by notifier_run().

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xchan_query	(	&	$items,
			$abook = `true`,
			$effective_uid = `0`
	)

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xmlify ( $str )

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escape text ($str) for XML transport

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string $str

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Returns: string Escaped text.

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Referenced by array_xmlify(), atom_author(), atom_entry(), construct_activity_object(), construct_activity_target(), diaspora_post(), diaspora_send_followup(), diaspora_send_images(), diaspora_send_mail(), diaspora_send_relay(), diaspora_send_retraction(), diaspora_send_status(), encode_rel_links(), get_atom_elements(), get_feed_for(), item_getfeedattach(), p_init(), subthread_content(), tagger_content(), and xml_status().

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z_input_filter	(	$channel_id,
		$s,
		$type = `'text/bbcode'`
	)

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Referenced by item_post(), item_store(), item_store_update(), and post_activity_item().

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zidify_callback ( $match )

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zidify_callback() and zidify_links() work together to turn any HTML a tags with class="zrl" into zid links These will typically be generated by a bbcode '[zrl]' tag. This is done inside prepare_text() rather than bbcode() because the latter is used for general purpose conversions and the former is used only when preparing text for immediate display.

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Issues: Currently the order of HTML parameters in the text is somewhat rigid and inflexible. We assume it looks like and will not work if zrl and href appear in a different order.

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zidify_img_callback ( $match )

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zidify_links ( $s )

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Referenced by notification().

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Variable Documentation

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const RANDOM_STRING_HEX 0x00

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const RANDOM_STRING_TEXT 0x01

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Referenced by aes_encapsulate(), and random_string().

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-Functions

-Variables

Function Documentation

Variable Documentation