tryphp_var_global.php:
<!DOCTYPE html> <html> <body> <?php $x = 5; // global scope function myTest() { // using x inside this function will generate an error echo "<p>Variable x inside function is: $x</p>"; } myTest(); echo "<p>Variable x outside function is: $x</p>"; ?> </body> </html>
Variable x inside function is:
Variable x outside function is: 5