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What does the PHP function array_merge do?

easy📝 Conceptual Q11 of 15
PHP - Arrays
What does the PHP function array_merge do?
ACreates an associative array from two arrays
BJoins two or more arrays into one combined array
CSorts an array in ascending order
DRemoves duplicate values from an array
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of array_merge

    The function array_merge takes multiple arrays and joins their elements into a single array.

  2. Step 2: Compare with other functions

    array_combine creates key-value pairs, sorting and removing duplicates are different functions.

  3. Final Answer:

    Joins two or more arrays into one combined array -> Option B

  4. Quick Check:

    array_merge joins arrays = B [OK]
Quick Trick: array_merge joins arrays end-to-end [OK]
Common Mistakes:
  • Confusing array_merge with array_combine
  • Thinking array_merge sorts arrays
  • Assuming array_merge removes duplicates

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