Array key exists

Anatomy

<array:keyexists var="var" var_result="var">
    string
</array:keyexists>

Description: ARRAY:KEYEXISTS checks whether a key exists within an array.

Attributes

Name	Type	Description	Defined By
var	var	Variable name	array:keyexists
var_result	var	Result variable name	array:keyexists

Results:

Binding	Type	Predicate
var_result	bool	N/A

Examples

Example

<array var="names">
  <item key="bg">Bill Gates</item>
  <item key="sj">Steve Jobs</item>
</array>

<array:keyexists var="names" var_result="exists">sj</array:keyexists>

<is var="exists" type="true">
  <output>Key exists!</output>
</is>

<!-- Key exists! -->