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idx()FunctionAccess an array index, retrieving the value stored there if it exists or a default if it does not. This function allows you to concisely access an index which may or may not exist without raising a warning.idx()FunctionAccess an array index, retrieving the value stored there if it exists or a default if it does not. This function allows you to concisely access an index which may or may not exist without raising a warning.
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