[Solved] What will be the output of this PHP code?$arr = [];array_push($arr, 1, 2, 3);print_r($arr); — Ans: Array ( [0] => 1 [1] => 2 [2] => 3 ) | PHP

PHP - Arrays

What will be the output of this PHP code?

$arr = [];
array_push($arr, 1, 2, 3);
print_r($arr);

AArray ( [1] => 1 [2] => 2 [3] => 3 )

BArray ( [0] => 1 [1] => 2 [2] => 3 )

CArray ( [0] => Array (1, 2, 3) )

DArray ( [0] => 3 )

Step-by-Step Solution

Solution:

Step 1: Understand array_push with multiple values
array_push adds all values 1, 2, 3 to the end of $arr.
Step 2: Check print_r output
print_r shows array with keys 0,1,2 and values 1,2,3 respectively.
Final Answer:
Array ( [0] => 1 [1] => 2 [2] => 3 ) -> Option B
Quick Check:
array_push adds all values individually [OK]

Quick Trick: array_push can add multiple elements at once [OK]

Common Mistakes:

Master "Arrays" in PHP

9 interactive learning modes - each teaches the same concept differently

More PHP Quizzes

What will be the output of this PHP code?