elvis-operator – Tarik Billa

PHP short-ternary (“Elvis”) operator vs null coalescing operator

June 16, 2023 by Tarik

Elvis ?: returns the first argument if it contains a “true-ish” value (see which values are considered loosely equal to true in the first line of the Loose comparisons with == table). Or the second argument otherwise $result = $var ?: ‘default’; // is a shorthand for $result = $var ? $var : ‘default’; Null … Read more

PHP Elvis operator vs null coalescing operator

September 13, 2022 by Tarik

When your first argument is null, they’re basically the same except that the null coalescing won’t output an E_NOTICE when you have an undefined variable. The PHP 7.0 migration docs has this to say: The null coalescing operator (??) has been added as syntactic sugar for the common case of needing to use a ternary … Read more