Try it Yourself: PHP Variables – Hyring Learn

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PHP Variables

Language: PHP

<?php
$message = "outside";   // global

function show() {
    // $message is NOT visible here
    $message = "inside"; // this is a separate local variable
    echo $message;
}

show();          // prints: inside
echo $message;   // prints: outside
?>

<?php
$message = "outside";   // global

function show() {
    // $message is NOT visible here
    $message = "inside"; // this is a separate local variable
    echo $message;
}

show();          // prints: inside
echo $message;   // prints: outside
?>

Output

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