Answer
== compares arrays by key-value pairs ignoring type; === checks type, order, and structure strictly.
Quick Answer
For arrays, == checks if both arrays have the same key-value pairs (order does not matter, types coerced). === checks same key-value pairs in same order with same types. [1, 2] == ["0" => 1, "1" => 2] is true. [1, 2] === [2, 1] is false. Always use === for arrays when order or types matter to avoid surprises.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ