$x = 10;
// this is a local variable
echo "inside testScope " . $x;
echo "<BR>";
global $x;
// accessing global $x now!
echo "inside testScope " . $x;
echo "<BR>";
$x = 1000;
return 3.14;
}
// GLOBAL VARIABLES
$x = 100;
echo $x;
echo "<BR>";
$y = testScope();
echo "x is " . $x;
echo "<BR>";
echo "y is " . $y;
echo "<BR>";
echo "<hr><br>";
// OBJECTS
class Test
{
const A_BIG_NUMBER = 11111;
private $name;
static $i = 0;
function __construct($name)
{
$this->name = $name;
self::$i += 1;
<?php
$arr = array('id:10' => 'モリタ', 'id:11' => '高木');
foreach ($arr as $value) {
print "Value: {$value}<br>";
}
?>
<?php
function testScope()
{
require_once 'func.php';
$area = getArea(20, 14);
print $scope;
print '四角形の面積' . $area;
return $scope;
}
print testScope();
print $scope;
//Notice: Undefined variable: scope in /Users/No51/Desktop/Git/php/hello.php on line 29
?>
<?php
require_once 'test.php';
$obj = new Test();
$obj->calculate(5, 2);
print "プロパティの値は{$obj->number}です";
?>
<!-- $$a = 'word!';
?>
<?php
<?php
/**
* test scope
*/
function testScope()
{
$abc = true;
if ($abc) {
$aaa = "123";
}
echo $aaa;
}
// output 123
// php是函数作用域，非块级作用域
testScope();