https://www.phptutorial.net › php-tutorial › php-null-coalescing-operator
PHP Null Coalescing Operator - PHP TutorialLearn how to use the null coalescing operator (??) to assign a value to a variable if it is null or doesn't exist. See examples, syntax, and comparison with the ternary operator and isset().
https://www.php.net › manual › en › language.operators.comparison
PHP: Comparison - ManualNull Coalescing Operator. Another useful shorthand operator is the "??" (or null coalescing) operator.
https://stackoverflow.com › questions › 34571330
PHP short-ternary ("Elvis") operator vs null coalescing operatorThe null coalescing operator (??) has been added as syntactic sugar for the common case of needing to use a ternary in conjunction with isset(). It returns its first operand if it exists and is not NULL; otherwise it returns its second operand. Essentially, using the coalescing operator will make it auto check for null unlike the ternary operator.
https://www.slingacademy.com › article › null-coalescing-operator-in-php
Null Coalescing Operator in PHP: Embracing Graceful DefaultsLearn how to use the null coalescing operator (??) in PHP 7 to simplify variable checks and assign default values. See examples, real-world scenarios, performance implications, and good practices.
https://www.learnphp.org › php-null-coalescing-operator
PHP null coalescing operator - LearnPHP.orgLearn how to use the null coalescing operator (`??`) in PHP to assign default values to variables or arrays if they are null. See code examples and practical use cases from experienced PHP developers.
https://sebhastian.com › null-coalescing-operator-php
The PHP null coalescing operator (??) explained - sebhastianLearn how to use the PHP null coalescing operator (??) to check and assign values in a concise way. See examples of common cases, stacking operands, and null coalescing assignment operator.
https://www.php.engineer › null-coalescing-operator
Null coalescing operator - Modern PHP TutorialLearn how to use the null coalescing operator (??) in PHP to check if a value is null or undefined and provide a default value. See examples, syntax and exercises on this operator.
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://codedtag.com › php › understanding-the-php-null-coalescing-operator
PHP Null Coalescing Operator: Handling Null Values - CodedTagThe PHP 7 null coalescing operator streamlines the handling of default values for variables that may be null. Its concise and readable syntax simplifies the code, eliminating the need for verbose ternary expressions.
https://www.php.net › manual › fr › language.operators.logical.php
PHP: Logique - ManualIn addition to what Lawrence said about assigning a default value, one can now use the Null Coalescing Operator (PHP 7). Hence when we want to assign a default value we can write: $a = ($fruit ?? 'apple');
