Servertec | defined( )
M E N U Content Introduction Release Notes Requirements Installation Change Log Future Plans Knowledge Base Referance Manual Conventions Scriptlets Data Types Constants Variables Procedures Operators Statements Objects Array Cookie Date Error File FileDescriptor Hashtable Internet IO JDBC Number Object Properties Random Request Response SqlTypes Stack StreamTokenizer String StringBuffer StringTokenizer System Vector Wrappers Server Side Preprocessor Executable Make Samples Legal Feedback | Returns whether the specified variable exists. #### Syntax defined( variable ) variable.defined( ) #### Parameters variable the name of the variable to check #### Returns boolean true if the specified variable exists false if the specified variable does not exist #### Example if defined( "var" ) then var = var + 1 end
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