[Solved] What will be the output of running this PHP script?<?php echo PHP_VERSION; ?> — Ans: The current PHP version number installed | PHP

PHP - Basics and Execution Model

What will be the output of running this PHP script?

<?php
echo PHP_VERSION;
?>

APHP_VERSION

BThe current PHP version number installed

CAn error about undefined constant

DNo output

Step-by-Step Solution

Solution:

Step 1: Understand PHP_VERSION constant
PHP_VERSION is a predefined constant that holds the current PHP version as a string.
Step 2: Output of echo PHP_VERSION
Echoing PHP_VERSION prints the installed PHP version number, like '8.1.10'.
Final Answer:
The current PHP version number installed -> Option B
Quick Check:
PHP_VERSION constant outputs version number [OK]

Quick Trick: PHP_VERSION constant shows installed PHP version [OK]

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