Multiple choice technology web technology

Which of these are valid array operators in php?

  1. ==

  2. ===

  3. +

  4. union
Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

PHP provides several array comparison operators: '' checks if arrays have the same key/value pairs, '=' checks for identical arrays (same key/value pairs in same order and types), and '+' (union operator) merges arrays. The word 'union' itself is not an operator in PHP.

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