built-ins.md

Built-ins

Built-in name	Description	Example Gist
Basic conversions
?string	Convert to a string
?number	Convert to a number
?int	Pull integer from a number (-1.9?int = 1)
Checking values
?has_content	Check if the field has content (a value)
?isnull	Check if the field value is null (empty string ““)
?contains("example")	Check if the string contains specified content
?length	Returns number of characters in the string
?starts_with	Check if the string starts with specified content
?is_string	Check if value is a string
?is_number	Check if value is a number
?is_boolean	Check if value is a boolean
?is_date	Check if value is a date
Modifying strings
?lower_case	Convert string to lowercase
?upper_case	Convert string to uppercase
?cap_first	Capitalize first letter of the string
?uncap_first	Un-capitalizes first letter of the string
?capitalize	Capitalize first letter of every word
?date("MM/DD/YYYY")	Convert string to “date” format, specify format as parameter
?time("HH:MM:SS")	Convert string to “time” format, specify format as parameter
?datetime("YYYY-MM-DD HH:MM a")	Convert string to “date and time” format, specify format as parameter
?url	Modifies the string with URL escaping
?replace("param1", "param2")	Replace any instance of first parameter with second parameter	* Gist here
Working with numbers
?round	Rounds to the nearest whole number
?floor	Rounds the number down
?ceiling	Rounds the number up
?sort	Sort the numbers low to high	* Gist here
Escaping code
?html	Escapes HTML characters (> is converted to > etc)
?json_string	Escapes the string with the escaping rules of JSON language
?xml	Escapes XML characters
Doing math
?eval	Evaluates the string in the expression ( “1+2”?eval = 3 )
Encoding
?hex	Converts a string into a hex-encoded string
?base64	Converts a string to base64 format
Other
?skip	Shorthand way to skip if the field is empty ( ${FNAME?skip} is just like writing <#if FNAME?isnull><#skip></#if>)