[Solved] What is the output of this PHP code?$arr = ['red', 'green', 'blue'];echo implode('|', $arr); — Ans: red|green|blue | PHP

PHP - String Functions

What is the output of this PHP code?

$arr = ['red', 'green', 'blue'];
echo implode('|', $arr);

Ared|green|blue

Bred,green,blue

Credgreenblue

DArray

Step-by-Step Solution

Solution:

Step 1: Understand implode with '|' separator
The function joins array elements inserting '|' between each element.
Step 2: Join elements
Joining 'red', 'green', 'blue' with '|' results in 'red|green|blue'.
Final Answer:
red|green|blue -> Option A
Quick Check:
implode('|', array) = 'red|green|blue' [OK]

Quick Trick: implode inserts separator between array elements [OK]

Common Mistakes:

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