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What does double question mark (??) operator mean in PHPSecond, @epixilog, marking a question as duplicate is in no way a reflection on you. Even if it's closed, it worked as intended as you found your answer. It's marked that way to ensure we keep all the information together, not to judge people asking questions.
https://stackoverflow.com › questions › 34571330
PHP short-ternary ("Elvis") operator vs null coalescing operatorwhat's difference between double sign question mark(??) and single question mark
https://www.decodingweb.dev › php-double-question-marks
PHP double question marks (Null coalescing operator) explainedLearn how to use PHP double question marks (??) to return the first non-null operand in an expression. See examples of how to replace ternary expressions or if statements with this operator.
https://www.delftstack.com › howto › php › php-double-question-mark
How to Double Question Mark in PHP - Delft StackThe double question mark operator (?? ) is a valuable addition to PHP, simplifying the process of handling null values and reducing the need for lengthy conditional statements and error-prone checks. By leveraging this operator, you can write more concise and readable code while effectively handling null values and providing ...
https://www.delftstack.com › fr › howto › php › php-question-mark
Symbole de point d'interrogation en PHP | Delft StackCe tutoriel présente l'opérateur ternaire point d'interrogation et discute de son utilisation en PHP.
https://www.designcise.com › web › tutorial › whats-the-difference-between-null-coalescing...
PHP ?? vs. ?: – What's the Difference? - DesignciseLearn the difference between the null coalescing operator (??) and the elvis operator (?:) in PHP. See how they work with expressions, variables, arrays, objects and more.
https://sebhastian.com › null-coalescing-operator-php
The PHP null coalescing operator (??) explained - sebhastianLearn how to use the double question mark (??) operator in PHP 7 to check and assign values to variables. The operator returns the first non-null operand or the second one if the first is null.
https://benjamincrozat.com › php-null-coalescing-operator
PHP's double question mark, or the null coalescing operatorLearn how to use the double question mark (??) and the double question mark equals (??=) to write cleaner and more readable PHP code. See examples of how to assign default values, check variables, and chain operators.
https://www.learnphp.org › what-does-double-question-mark-operator-mean-in-php
What does double question mark operator mean in PHP? - LearnPHP.orgLearn what the double question mark operator (??) means and how to use it in PHP. It is a null coalescing operator that returns the first non-null operand or the second one if the first is null.
https://www.tutorialspoint.com › what-does-double-question-mark-operator-mean-in-php
What does double question mark (??) operator mean in PHPIn PHP 7, the double question mark(??) operator known as Null Coalescing Operator. It returns its first operand if it exists and is not NULL; otherwise, it returns its second operand. It evaluates from left to right.
