Global Functions

boolean	isCurrentRequestSSL() Returns true if current request is through SSL, whether it is through a proxy load balancer or not
string	___(string $s) Returns a translated text in current language
string	___S(string $s) Returns a HTML-encoded string, translated in current language
int	get_schlix_max_user_session_time() Get maximum login time
int	get_schlix_max_user_remember_cookie_time() Get maximum remember me cookie time in seconds
string	get_random_token(int $length=16) Generate random token
	generate_salt($hash_type, $work_factor=9)
	get_skin_module($skin_name)
	get_current_skin_module() Get current skin module
string	skin_html(string $html, array $vars, array $allowed_namespaces=['x-ui']) Skin HTML
array	get_all_skin_modules() Returns a list of available skin
boolean	is_value_true(string $string) Returns true if a variable == true or > 0
type	fix_xhtml(type $html) Fix self closing XHTML tags
	get_file_permissions(type $path) Get readable file permissions
	___u(string $path) Return URL encode path
int	___c(array $object) Return the count of an array without emitting a PHP warning (PHP 7.2 compat)
string	encode_path(string $url) Raw URL encode a path
string	decode_path(string $url) Raw URL decode a path
string	get_remote_file_content(string $url, bool $use_default_user_agent=true, bool $ignore_ssl_ca=false) Get remote file content with CURL
	start_output_buffer($clean_first=false) Start output buffering
string	end_output_buffer() End output buffering and return string
string	___h(string $s, int $maxlen) String output sanitizing function to ensure there's no XSS in the text. If maxlen is specified then it will be limited to maxlen
string	SAFE_HTML(string $s, int $maxlen) Alias of ___h/ Deprecated for an easier to remember function name. Use ___h. String output sanitizing function to ensure there's no XSS in the text. If maxlen is specified then it will be limited to maxlen. To be removed in v2.3.x-x Deprecatedsince version 2.1.6-2 since version 2.1.6-2
string	format_nice_date(string $the_date, bool $display_time=false) Converts a datetime or a UNIX date and return it in the format of year-month-day time
string	time_since(int $time_since) http://stackoverflow.com/questions/18685/how-to-display-12-minutes-ago-etc-in-a-php-webpage
boolean	str_starts_with(string $haystack, string $needle) Returns true if haystack starts with needle
boolean	str_ends_with(string $haystack, string $needle) Returns true if haystack ends with needle
boolean	str_contains(string $haystack, string $needle) Returns true if haystack contains needle
string	str_limit(string $str, int $maxlen) Returns string value of $str and if the length is greater than maxlen then it will be trimmed
	get_class_ancestors($class)
string	get_user_real_ip_address() Returns a user's real IP address. Probes for proxy if the CMS is behind a load balancer.
string	get_user_browser_string() Returns the user's browser string limited to 255 chars
	get_system_or_user_file($filename, $die=true)
	get_system_or_user_url_path($filename, $die=true)
string	get_application_real_name_by_alias(string $alias) Returns the application real name, given the alias as defined in the application configuration page $SystemDB
string	prevent_duplicate_filename_in_folder(string $folder, string $original_filename) Returns a new, non-duplicate filename
string	force_https_url() Force URL to be HTTPS if the site's SSL variable is enabled and HTTPS URL is defined inthe subsite configuration
string	set_csrf_token() Setthe CSRF token if none
string	get_csrf_token() Returns the CSRF token
bool	is_valid_csrf(array $datavalues=NULL) Check if the variable _csrftoken matches with the currently set token. If the array is not specified, then $_POST will be used
	check_csrf_halt_on_error($is_ajax=false)
type	get_simplified_file_hash(type $filename) Simple file hash
type	is_readable_file(type $filename) Check if file is readable and is a file
boolean	is_valid_image_file(string $filename, string $check_filename=true) Returns true if image file is valid
boolean	is_valid_uploaded_image_file(string $tmp_filename, string $uploaded_filename) Returns true if image is valid (beta)
type	record_404_error() Record 404 error $SystemDB
	display_http_error($error_number) Display HTTP Error (e.g. 404, 400, etc). Internal use only
string	get_js_csrf_var(string $varname='_csrftoken') Returns a Javascript variable that contains csrftoken string e.g. var variable_name = '1231351232asdasd'
	display_schlix_alert($error) Adds an error string that will be displayed when the page loads again next time
	clear_schlix_alert() Clear error string
bool	is_serialized(string $string) Returns true if the input string is serialized
string	new_uuid_v4() Generates a new UUIDv4 Source Credit: copied and pasted this from http://php.net/manual/en/function.uniqid.php
bool	is_valid_guid(string $guid) Returns true if format is valid GUID
	get_application_alias($app, $subclass=NULL)
	redirect_url(string $url) Redirect URL
	encode_url(string $path) Return URL encode
array	get_list_of_all_apps(bool $use_cache=false, int $cache_how_many_minutes=5) Returns a list of all applications type $SystemConfig
bool	is_captcha_verification_valid() Returns true if Captcha is valid
string	convert_pasted_png_images_from_html_text(string $txt, string $upload_path, string $url_path, string $filename_prefix='img') Converts data:image/png;base64 from text to image $SystemLog
string	move_static_external_images_from_html_text(string $txt, string $upload_path, string $url_path) Search for all external images hosted outside of this URL in this HTML text to a local one. If the file already exists with the same name then it will be ignored
	quote_field_name_for_query($item_field)
	quote_array_of_field_names_for_query($item_fields)
string	alpha_numeric_with_underscore(string $str, string $replacement='-') Returns alphanumeric of string with _ (underscore) allowed
string	alpha_numeric_with_dash_underscore(string $str, string $replacement='-') Returns alphanumeric of string with - (dash) and _ (underscore) allowed
string	sanitize_action_command(string $str) Returns alphanumeric of string with - (dash) and _ (underscore) allowed
string	alpha_numeric_only(string $str, string $replacement='') Like alpha_numeric_with_dash_underscore but without - (dash) and (underscore) allowed
	convert_to_safe_basename($str, $max_len, $default_empty='untitled', $allow_utf8=true)
type	mb_pathinfo(type $filepath) Alternative pathinfo
string	convert_to_safe_filename($str, $default_empty_ext='') Converts a string to safe filename
string	convert_into_sef_friendly_title(string $str, bool $allow_utf8=true) Converts a string to an alphanumeric one (dash and underscores allowed). This is mainly used to convert a title page to virtual filename
int	time_difference(string $start_date, string $end_date) Returns the number of seconds between start_date and end_date
int	days_difference(string $start_date, string $end_date) Returns the day numbers between start_date and end_date
int	days_difference_from_today(string $the_date) Returns the number of day difference from today
string	get_current_datetime() Return string of current date in ISO-8601 format
type	is_valid_email_address(type $email) Returns true if email address is valid
bool	verify_email_dns(string $email) Returns true if email address is DNS verified with the MX record
array	select_http_post_variables() Select HTTP POST Variables. Useful to filter variables based on table names
array	convert_array_values_to_keys(array $array, mixed $fill=1) Convert array values to keys and fill it with number
string	remove_multiple_slashes(string $str) Remove multiple slashes from string.
string	sanitize_string(string $value, bool $dont_add_quotes=false) Sanitize string - SQL $SystemDB
bool	is_date(object $date, string $format='Y-m-d H:i:s') Returns true if input is in date format
bool	is_ajax_request() Returns true if this request is AJAX
bool	is_postback() Returns true if it's a postback ... similar to ASP.NET's isPostBack()
string	real_strip_tags(string $i_html, array $i_allowedtags=[], bool $i_trimtext=FALSE) Perform a real strip tag. Function copied from php.net
bool	create_generic_directory(string $dir, $permission=0755, $recursive=true) Create directory with permission 0755 if not exist
string	unix_slash(string $f) Replaces Windows \ with /
bool	copy_recursive(string $source, string $dest) Copy recursive from source to destination
	sort_associative_array_by_key(array $array, string $subkey, int $sortType=SORT_ASC) Sort an associative array by key
string	ajax_reply(int $status, array $data) Returns a JSON-encoded string of reply. Set status to 200 for ok
	ajax_reply_invalid_method($method_name)
	ajax_reply_ok_redirect($success_message=null, $url_redirect='')
	ajax_reply_ok_message($success_message=null)
	ajax_reply_ok($data=null)
	ajax_reply_error($data=null)
string echo ajax reply and return false (RETURN AS AJAX)	ajax_echo(string $s) AJAX - reply with error string $s string string
string	ajax_datasource_reply(int $status, int $allRecords, int $start, int $end, int $item_per_page, int $total_item_count, string $sort=null, string $dir='asc') Returns a JSON-encoded array of message for datasource in SCHLIX.UI.DataTable
boolean	is_animated_gif(string $filename) Returns true if the file is an animated gif
boolean	create_image_thumbnail(string $src, string $dest, int $thumb_width=120, int $thumb_height=120, bool $dont_resize_if_smaller=false, int $quality=100) Create an image thumbnail. If dont_resize_if_smaller flag is specified and the source image is smaller than the specified thumbnail width and height then it will just be copied. Quality is a number between 1 - 100
boolean	create_htaccess_restrict_view(string $folder) Create .htaccess and web.config to restrict folder viewing
	create_directory_if_not_exists($main_folder, $log_if_error=false)
boolean	create_site_skeleton(string $prefix, string $sitename) Create sub-site folder skeleton. Prefix is usually SCHLIX_SITE_HTTPBASE
string	normalize_file_path(string $path) Returns a UNIX-style file path (with forward slash /) and remove multiple slashes.
string	remove_prefix_from_file_name(string $filename, string $prefix) This function is an alias of remove_prefix_from_string. This function is used to determine the base path of a URL. e.g. $filename = /var/www/html, $prefix = /var then it would return /www/html
string	remove_prefix_from_string(string $str, string $prefix) Remove leading prefix from a string.
	__force_change_site_httpbase($str_old_httpbase, $str_new_httpbase) This is a function designed to replace the base path. Not intended to be called during page exection. However $SystemDB must be initialized. Please call setupSchlixRuntime() before executing this function
	__convert_unit_prefix_to_bytes($val) Converts unit in Giga, mega, or kilo to bytes e.g. 1M, 2G, 30K etc
int	get_real_max_upload_size() Returns max upload size in bytes
string	get_calling_class_function() Get the class and function name that called the current method
bool	fget_bool(string $varname) Returns $_GET variable as a boolean
bool	fpost_bool(string $varname) Returns $_POST variable as a boolean
string\|int	fget_alphanumeric(string $varname, int $limit) Returns $_GET variable as alphanumeric
int	fpost_alphanumeric(string $varname, $limit) Returns $_POST variable as alphanumeric
int	fget_int(string $varname) Returns $_GET variable as an integer
int	fget_uint(string $varname) Returns $_GET variable as an unsigned integer
int	fpost_int(string $varname) Returns $_POST variable as an integer
int	fpost_uint(string $varname) Returns $_POST variable as an unsigned integer
int	fget_float(string $varname) Returns $_GET variable as a float number
int	fpost_float(string $varname) Returns $_POST variable as a float number
int	fget_double(string $varname) Returns $_GET variable as adouble
int	fpost_double(string $varname) Returns $_POST variable as double
string	fget_string(string $varname, int $limit) Returns the value of $_GET[$varname], limited to $limit
string	fpost_string(string $varname, int $limit) Returns the value of $_POST[$varname], limited to $limit
string	fget_string_notags(string $varname, int $limit) Returns the value of $_GET[$varname], limited to $limit
string	fpost_string_notags(string $varname, int $limit) Returns the value of $_POST[$varname], limited to $limit
string	fget_string_noquotes_notags(string $varname, int $limit) Returns the value of $_GET[$varname], limited to $limit
string	fpost_string_noquotes_notags(string $varname, int $limit) Returns the value of $_POST[$varname], limited to $limit
string	fget_filename_only(string $varname) Returns a sanitized filename from $_GET[$varname]
string	fpost_filename_only(string $varname) Returns a sanitized filename from $_POST[$varname]
string	fget_filename_fullpath(string $varname) Returns a sanitized full path from $_GET[$varname]
string	fpost_filename_fullpath(string $varname) Returns a sanitized full path from $_POST[$varname]
array	fpost_array_any(string $varname) Returns array from $_POST[$varname]
array	fpost_array_int(string $varname) Returns array of int from $_POST[$varname]
int	fpost_date_combobox(string $varname) Returns $_POST variable as an integer
	rate_limit_record(string $action, string $detail_string, int $period=3600) Record a rate limit action $SystemDB
bool	rate_limit_count(string $action, int $period=3600) Returns action count for a certain action $SystemDB
bool	rate_limit_exceeded(string $action, int $max_retry, int $period=3600) Returns true if rate limit for a certain action has been exceeded
bool	rate_limit_and_halt(string $action, int $max_soft_retry, int $max_hard_retry=50, int $period=3600) Check if rate limit for a certain action has been exceeded. Upon the first hit of soft retry number, captcha should be displayed. When hard retry count has been exceeded, the system will automatically halt it. Max retry is set at a very generous number = 50
array	strip_array_column(array $data, array $fields_to_strip) Strip array column
	get_sorted_timezone_data()
	force_download_file($filename, $override_filename='')