Functions
	elgg ()
	Bootstrapping and helper procedural code available for use in Elgg core and plugins. More...

	elgg_set_http_header (string $header, bool $replace=true)
	Set a response HTTP header. More...

	elgg_register_success_message (string\|array $options)
	Registers a success system message. More...

	elgg_register_error_message (string\|array $options)
	Registers a error system message. More...

	elgg_log ($message, $level=\Psr\Log\LogLevel::NOTICE)
	Log a message. More...

	elgg_dump ($value)
	Logs $value to PHP's error_log(). More...

	elgg_deprecated_notice (string $msg, string $dep_version)
	Log a notice about deprecated use of a function, view, etc. More...

	elgg_http_build_url (array $parts, bool $html_encode=true)
	Builds a URL from the a parts array like one returned by parse_url(). More...

	elgg_add_action_tokens_to_url (string $url, bool $html_encode=false)
	Adds action tokens to URL. More...

	elgg_http_remove_url_query_element (string $url, string $element)
	Removes an element from a URL's query string. More...

	elgg_http_add_url_query_elements (string $url, array $elements)
	Sets elements in a URL's query string. More...

	elgg_http_url_is_identical (string $url1, string $url2, array $ignore_params=['offset', 'limit'])
	Test if two URLs are functionally identical. More...

	elgg_http_get_signed_url (string $url,?string $expires=null)
	Signs provided URL with a SHA256 HMAC key. More...

	elgg_http_validate_signed_url (string $url)
	Validates if the HMAC signature of the URL is valid. More...

	elgg_get_http_client (array $options=[])
	Returns a Guzzle HTTP client. More...

	elgg_extract ($key, $array, $default=null, bool $strict=true)
	Checks for $array[$key] and returns its value if it exists, else returns $default. More...

	elgg_extract_class (array $array, array\|string $existing=[], string $extract_key= 'class')
	Extract class names from an array, optionally merging into a preexisting set. More...

	elgg_call (int $flags, Closure $closure)
	Calls a callable autowiring the arguments using public DI services and applying logic based on flags. More...

	elgg_get_ini_setting_in_bytes (string $setting)
	Returns a PHP INI setting in bytes. More...

	_elgg_services ()
	Get the global service provider. More...

Function Documentation

_elgg_services ( )

Get the global service provider.

Returns

Examples:: /root/Elgg/engine/classes/Elgg/Http/Urls.php, /root/Elgg/engine/classes/ElggBatch.php, /root/Elgg/engine/lib/output.php, and /root/Elgg/engine/lib/views.php.

Definition at line 353 of file elgglib.php.

elgg ( )

Bootstrapping and helper procedural code available for use in Elgg core and plugins.

Get a reference to the public service provider

Returns

Since: 2.0.0

Definition at line 12 of file elgglib.php.

elgg_add_action_tokens_to_url	(	string	$url,
		bool	$html_encode = `false`
	)

Adds action tokens to URL.

As of 1.7.0 action tokens are required on all actions. Use this function to append action tokens to a URL's GET parameters. This will preserve any existing GET parameters.

Note: If you are using { input/form} you don't need to add tokens to the action. The form view automatically handles tokens.

Parameters

string	$url	Full action URL
bool	$html_encode	HTML encode the url? (default: false)

Returns: string URL with action tokens

Since: 1.7.0

Definition at line 154 of file elgglib.php.

elgg_call	(	int	$flags,
		Closure	$closure
	)

Calls a callable autowiring the arguments using public DI services and applying logic based on flags.

Parameters

int	$flags	Bitwise flags ELGG_IGNORE_ACCESS ELGG_ENFORCE_ACCESS ELGG_SHOW_DISABLED_ENTITIES ELGG_HIDE_DISABLED_ENTITIES ELGG_DISABLE_SYSTEM_LOG ELGG_ENABLE_SYSTEM_LOG ELGG_SHOW_DELETED_ENTITIES ELGG_HIDE_DELETED_ENTITIES
Closure	$closure	Callable to call

Returns: mixed

Definition at line 306 of file elgglib.php.

elgg_deprecated_notice	(	string	$msg,
		string	$dep_version
	)

Log a notice about deprecated use of a function, view, etc.

Parameters

string	$msg	Message to log
string	$dep_version	Human-readable release version: 1.7, 1.8, ...

Returns: void

Since: 1.7.0

Definition at line 117 of file elgglib.php.

elgg_dump ( $value )

Logs $value to PHP's error_log().

A 'debug', log' event is triggered. If a handler returns false, it will stop the default logging method.

Note: Use the developers plugin to display logs

Parameters

mixed $value The value

Returns: void

Since: 1.7.0

Definition at line 104 of file elgglib.php.

elgg_extract	(		$key,
			$array,
			$default = `null`,
		bool	$strict = `true`
	)

Checks for $array[$key] and returns its value if it exists, else returns $default.

Shorthand for $value = (isset($array['key'])) ? $array['key'] : 'default';

Parameters

string \| int	$key	Key to check in the source array
array	$array	Source array
mixed	$default	Value to return if key is not found
bool	$strict	Return array key if it's set, even if empty. If false, return $default if the array key is unset or empty.

Returns: mixed

Since: 1.8.0

Examples:: /root/Elgg/engine/classes/Elgg/FormsService.php, /root/Elgg/engine/classes/ElggBatch.php, and /root/Elgg/engine/lib/views.php.

Definition at line 256 of file elgglib.php.

elgg_extract_class	(	array	$array,
		array\|string	$existing = `[]`,
		string	$extract_key = `'class'`
	)

Extract class names from an array, optionally merging into a preexisting set.

Parameters

array	$array	Source array
	string\|string[]	$existing Existing name(s)
string	$extract_key	Key to extract new classes from

Returns: string[]

Since: 2.3.0

Examples:: /root/Elgg/engine/classes/Elgg/FormsService.php, and /root/Elgg/engine/lib/views.php.

Definition at line 279 of file elgglib.php.

elgg_get_http_client ( array $options = [] )

Returns a Guzzle HTTP client.

Parameters

array $options Options for the client

Returns

Definition at line 237 of file elgglib.php.

elgg_get_ini_setting_in_bytes ( string $setting )

Returns a PHP INI setting in bytes.

Use this for arithmetic when determining if a file can be uploaded.

Parameters

string $setting The php.ini setting

Returns: int

Since: 1.7.0 http://www.php.net/manual/en/function.ini-get.php

Definition at line 321 of file elgglib.php.

elgg_http_add_url_query_elements	(	string	$url,
		array	$elements
	)

Sets elements in a URL's query string.

Parameters

string	$url	The URL
array	$elements	Key/value pairs to set in the URL. If the value is null, the element is removed from the URL.

Returns: string The new URL with the query strings added

Since: 1.7.0

Definition at line 183 of file elgglib.php.

elgg_http_build_url	(	array	$parts,
		bool	$html_encode = `true`
	)

Builds a URL from the a parts array like one returned by parse_url().

Note: If only partial information is passed, a partial URL will be returned.

Parameters

array	$parts	Associative array of URL components like parse_url() returns 'user' and 'pass' parts are ignored because of security reasons
bool	$html_encode	HTML Encode the url?

Returns: string Full URL

Since: 1.7.0

Definition at line 133 of file elgglib.php.

elgg_http_get_signed_url	(	string	$url,
		?string	$expires = `null`
	)

Signs provided URL with a SHA256 HMAC key.

Note: Signed URLs do not offer CSRF protection and should not be used instead of action tokens.

Parameters

string	$url	URL to sign
null \| string	$expires	Expiration time A string suitable for strtotime() Null value indicate non-expiring URL

Returns: string

Definition at line 216 of file elgglib.php.

elgg_http_remove_url_query_element	(	string	$url,
		string	$element
	)

Removes an element from a URL's query string.

Note: You can send a partial URL string.

Parameters

string	$url	Full URL
string	$element	The element to remove

Returns: string The new URL with the query element removed.

Since: 1.7.0

Definition at line 169 of file elgglib.php.

elgg_http_url_is_identical	(	string	$url1,
		string	$url2,
		array	$ignore_params = `['offset'`,
		'limit']
	)

Test if two URLs are functionally identical.

If $ignore_params is used, neither the name nor its value will be considered when comparing.

The order of GET params doesn't matter.

Parameters

string	$url1	First URL
string	$url2	Second URL
array	$ignore_params	GET params to ignore in the comparison

Returns: bool

Since: 1.8.0

Definition at line 201 of file elgglib.php.

elgg_http_validate_signed_url ( string $url )

Validates if the HMAC signature of the URL is valid.

Parameters

string $url URL to validate

Returns: bool

Definition at line 226 of file elgglib.php.

elgg_log	(	$message,
		$level = `\Psr\Log\LogLevel::NOTICE`
	)

Log a message.

If $level is >= to the debug setting in ->debug, the message will be sent to elgg_dump(). Messages with lower priority than ->debug are ignored.

Note: Use the developers plugin to display logs

Parameters

string	$message	User message
string	$level	Log level

See also: constants

Returns: void

Since: 1.7.0

Definition at line 88 of file elgglib.php.

elgg_register_error_message ( string|array $options )

Registers a error system message.

Parameters

string | array $options a single string or an array of system message options

See also: ::factory()

Returns: void

Since: 4.2

Definition at line 62 of file elgglib.php.

elgg_register_success_message ( string|array $options )

Registers a success system message.

Parameters

string | array $options a single string or an array of system message options

See also: ::factory()

Returns: void

Since: 4.2

Definition at line 43 of file elgglib.php.

elgg_set_http_header	(	string	$header,
		bool	$replace = `true`
	)

Set a response HTTP header.

See also: header()

Parameters

string	$header	Header
bool	$replace	Replace existing header

Returns: void

Since: 2.3

Definition at line 26 of file elgglib.php.

Functions

Function Documentation