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https://stackoverflow.com › questions › 34571330

PHP short-ternary ("Elvis") operator vs null coalescing operator

The null coalescing operator is equivalent to the above statement, and will return 'default' if $_GET['username'] is not set or is null: $val = $_GET['username'] ?? 'default'; Note that it does not check truthiness .

https://www.delftstack.com › fr › howto › php › null-coalescing-operator-php

Null Coalescing vs opérateur Elvis en PHP | Delft Stack

Cet article décrira la différence entre l'opérateur Elvis et l'opérateur de coalescence Null

https://stackoverflow.com › questions › 6613952

Is there a null-coalescing (Elvis) operator or safe navigation operator ...

This is not a null-coalescing operator. Null-coalescing only works on a single value, not on a chain of property access/function invocations. You can already do null-coalescing with the logical OR operator in JavaScript.

https://dev.to › thibaultchatelain › elvis-operator-vs-null-coalescing-operator-2l31

Elvis operator ?: vs Null coalescing operator - DEV Community

The Elvis operator and the Null coalescing operator are both binary operators that allow you to evaluate an expression/variable and define a default value when the expression/variable is not available. The Elvis operator is used to return a default value when the given operand is false.

https://dev.to › mariuszmalek › difference-between-elvis-and-null-coalescing-operators-2a7a

Difference between Elvis, and Null Coalescing Operators

The null coalescing operator checks whether the specified variable is null or not, and returns a non-null value from the value pair. The output of the null coalescing operator depends on whether the variable is null.

https://www.delftstack.com › howto › php › null-coalescing-operator-php

Null Coalescing vs Elvis Operator in PHP - Delft Stack

The null coalescing operator checks whether the given variable is null or not, and it returns the non-null value from the pair of the values. The output of the null coalescing operator depends on whether the variable is null.

Null Coalescing vs Elvis Operator in PHP - Delft Stack

https://www.designcise.com › web › tutorial › whats-the-difference-between-null-coalescing...

PHP ?? vs. ?: – What's the Difference? - Designcise

The null coalescing operator (??) was introduced in PHP 7, and it has the following syntax: // PHP 7+ $x ?? $y; This is equivalent to: isset ($x) ? $x : $y; #?: vs. ?? The table below shows a side-by-side comparison of the two operators against a given expression:

https://stackoverflow.com › questions › 1993409

?: operator (the 'Elvis operator') in PHP - Stack Overflow

Elvis operator:?: is the Elvis operator. This is a binary operator which does the following: Coerces the value left of ?: to a boolean and checks if it is true. If true it will return the expression on the left side, if false it will return the expression on the right side. Example:

https://www.fparedes.com › blog › null-coalescing-vs-elvis-operator-php

Null coalescing (??) operator vs Elvis (?:) operator in PHP – they are ...

Learn the difference between the Elvis operator (?:) and the null coalescing operator (??) in PHP with simple examples.

Null coalescing (??) operator vs Elvis (?:) operator in PHP – they are ...

https://www.php.net › manual › en › language.operators.comparison

PHP: Comparison - Manual

Null Coalescing Operator. Another useful shorthand operator is the "??" (or null coalescing) operator.