Which of the following is the correct syntax to create a 2D array in PHP?

easy📝 Syntax Q3 of 15

PHP - Arrays

A$matrix = {1, 2, 3, 4};

B$matrix = (1, 2), (3, 4);

C$matrix = [[1, 2], [3, 4]];

D$matrix = array(1, 2, 3, 4);

Step-by-Step Solution

Solution:

Step 1: Review PHP array syntax
PHP uses square brackets [] or array() to create arrays. Nested arrays create multidimensional arrays.
Step 2: Check each option
$matrix = [[1, 2], [3, 4]]; uses nested square brackets correctly. Options B and C use invalid syntax. $matrix = array(1, 2, 3, 4); creates a single array, not multidimensional.
Final Answer:
$matrix = [[1, 2], [3, 4]]; -> Option C
Quick Check:
Nested square brackets create 2D arrays [OK]

Quick Trick: Use nested square brackets for multidimensional arrays [OK]

Common Mistakes:

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