Core Function isEmpty
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(Created page with "<pre> isEmpty( <expression> ) </pre> === Description === Checks if a string is completely empty. === Parameters === ==== expression ==== The string to evaluate. === Return ...")
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(Created page with "<pre> isEmpty( <expression> ) </pre> === Description === Checks if a string is completely empty. === Parameters === ==== expression ==== The string to evaluate. === Return ...")
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Revision as of 22:30, 23 November 2011
isEmpty( <expression> )
Contents |
Description
Checks if a string is completely empty.
Parameters
expression
The string to evaluate.
Return Value
Success: Returns 1 if expression is empty.
Failure: Returns 0 if expression is not empty.
Example
Will return 1;
$result = isEmpty(""); Println("Result:" , $result);
Will return 0;
$result = isEmpty("The fuzzy blue sweaters..."); Println("Result:" , $result);
