ISARRAY | |
Description
Determines whether a value is an array. |
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Returns
True, if value is an array, or a query column object. |
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Category
Array functions, Decision functions |
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Function syntaxIsArray(value [, number ]) |
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See also
Array functions; "Modifying a ColdFusion XML object" in Chapter 35, "Using XML and WDDX," in ColdFusion MX Developer's Guide |
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History
ColdFusion MX:
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Parameters
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Usage
Use this function to determine whether a value is an array or query column. This function evaluates a Java array object, such as a vector object, as having one dimension. |
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Example<h3>IsArray Example</h3> <!--- Make an array ---> <cfset MyNewArray = ArrayNew(1)> <!--- set some elements ---> <cfset MyNewArray[1] = "element one"> <cfset MyNewArray[2] = "element two"> <cfset MyNewArray[3] = "element three"> <!--- is it an array? ---> <cfoutput> <p>Is this an array? #IsArray(MyNewArray)# <p>It has #ArrayLen(MyNewArray)# elements. <p>Contents: #ArrayToList(MyNewArray)# </cfoutput> |
VALUE | |
NUMBER | |