php/local_global.php at main · samarjitsahoo/php

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<?php

echo "Welcome to scope and local/global vars in php<br>";

$a = 98; // Global Variable

$b = 9;

function printValue(){

// $a = 97; // Local Variable

global $a, $b; // Give me the access to this global variable

$a = 100;

$b = 1000;

echo "<br>The value of your variable a is $a and b is $b";

}

echo $a;

printValue();

echo "<br>The value of your variable a is $a and b is $b";

echo "<br>";

// echo var_dump($GLOBALS);

echo var_dump($GLOBALS["a"]);

echo var_dump($GLOBALS["b"]);

?>

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