CS479/579 - Web Programming II

Displaying ./code/PHP/simple/scope.php

#!/usr/bin/php
<?php
  $global = "This is global";

  // $param is local to the function:
  function foo($param) {
    // Globals must be explicitly declared global inside of functions:
    // This does not apply to super-globals, such as $_POST, $_GET
    global $global;
    $local = "This is local to this function";

    echo $global . "\n";
  }

  foo("stuff");
?>