[Solved] What will the following PHP code output?<?phpecho 'PHP version: ' . PHP_VERSION;?> — Ans: PHP version: (current PHP version number) | PHP

PHP - Output and String Handling

What will the following PHP code output?

<?php
echo 'PHP version: ' . PHP_VERSION;
?>

APHP version: (current PHP version number)

BPHP version: PHP_VERSION

CPHP version: 7.4.0

DPHP version: 8.0.0

Step-by-Step Solution

Solution:

Step 1: Understand PHP predefined constants
PHP_VERSION is a predefined constant that holds the current PHP version number as a string.
Step 2: Analyze the echo statement
The code concatenates the string 'PHP version: ' with the value of PHP_VERSION, so it prints the actual version number installed on the server.
Final Answer:
PHP version: (current PHP version number) -> Option A
Quick Check:
Predefined constants output actual values [OK]

Quick Trick: Predefined constants print their actual values [OK]

Common Mistakes:

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