PHP 8 introduced the nullsafe operator (
?->), which is simply another name for the safe navigation operator. It evaluates an expression from left-to-right; when/if the left-hand side of the operator evaluates to
null, it stops the execution of the entire chain and short-circuit evaluates the expression to
null. This helps avoid having the need to add sequential explicit null-safe checks.
You can use the nullsafe operator to call object methods or access object properties within an execution chain where an object in the chain can potentially be
null. It has the following syntax:
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