Tag: null-safety
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Null Coalescing Operator (??) PHP 7.0+
Returns the left operand if it exists and is not null, otherwise the right — cleaner than isset() ternary chains.
2mo ago
php beginner
Null Object Pattern PHP 5.0+
Replace null with an object that implements the expected interface but performs no operation, eliminating null checks throughout the codebase.
2mo ago
quality intermediate
Nullable Types (?Type) PHP 7.1+
Declaring a type as ?Type allows either a value of that type or null — shorthand for Type|null.
2mo ago
php beginner
Nullsafe Operator (?->) PHP 8.0+
Chains method calls and property accesses on potentially-null objects without nested null checks; returns null on the first null encounter.
2mo ago
php beginner
Nullsafe Operator Chaining (?->) PHP 8.0+
PHP 8.0's ?-> short-circuits an entire method chain to null when any step returns null — eliminating nested null checks.
2mo ago
php intermediate