What is a null coalescing operator in PHP7?
What is a null coalescing operator in PHP7?
1 answer
by
bria_metz ,
4 years ago
Null coalescing operator is a new feature added to PHP7. It strictly checks for null or non-existent variable or index. This function is used to replace the ternary operation in conjunction with isset() function and it also returns its first operand if it exists and is not null. Otherwise, it returns the second operand.
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