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- Elvis_operator abstract "In computer programming, the binary operator ?: colloquially referred to as the Elvis operator due to its resemblance to an emoticon, is a null-coalescing variant of the ternary conditional operator in languages such as PHP. It is used by several other languages that use the ? : operator, which is the most common ternary operator.Binary ?:, used as an operator with two arguments around it and no characters in between, is used to obtain a value that is specified in the second argument if the first argument evaluates to null or false, and to return the value of the first argument otherwise.An Elvis operation can be understood to represent a ?: ternary operation with the second argument omitted and assumed to equal the first.For example,var = foo ?: barcontains the expressionfoo ?: barwhich evaluates to foo if foo exists and has a non-null value, then var = foo; otherwise var = bar.".
- Elvis_operator wikiPageID "41975647".
- Elvis_operator wikiPageRevisionID "596018865".
- Elvis_operator subject Category:Articles_with_example_code.
- Elvis_operator subject Category:Binary_operations.
- Elvis_operator subject Category:Conditional_constructs.
- Elvis_operator subject Category:Operators_(programming).
- Elvis_operator comment "In computer programming, the binary operator ?: colloquially referred to as the Elvis operator due to its resemblance to an emoticon, is a null-coalescing variant of the ternary conditional operator in languages such as PHP.".
- Elvis_operator label "Elvis operator".
- Elvis_operator sameAs m.0_s688d.
- Elvis_operator sameAs Q17012066.
- Elvis_operator sameAs Q17012066.
- Elvis_operator wasDerivedFrom Elvis_operator?oldid=596018865.
- Elvis_operator isPrimaryTopicOf Elvis_operator.