[php学习二]基本语法练习二

29,"C罗"=>31,"贝尔"=>26);
function NormalarrToStr($arr){
    $r = "";
    for ($x = 0; $x  $xValue){
        $r = $r . " " . "[$xValue]$x";
    }
    return $r;
}
echo "排序前:",NormalarrToStr($names),"
";
sort($names);
echo "排序后:",NormalarrToStr($names),"
";

echo "排序前:",KeyValueArrToStr($nameAndage),"
";
ksort($nameAndage);
echo "排序后:",KeyValueArrToStr($nameAndage),"
";

/*
 * 1,$GLOBALS是一个包含了全部变量的全局组合数组。变量的名字就是数组的键;
 * 2,$GLOBALS里面的内容都挺有用的.可以搜集客户信息.http://www.runoob.com/php/php-superglobals.html
 * 3,$_REQUEST能够获取HTML表单提交的数据,只要知道Input的名字即可.可理解2页面的通讯通道;
 * */
$x = 25;$y=75;
function TestGlobals(){
    global $x;
   $GLOBALS['z'] = $x + $GLOBALS['ya'];
}
TestGlobals();
echo $z,'
';
echo $_SERVER["PHP_SELF"],'
';
echo $_SERVER["SERVER_NAME"],'
';
echo $_SERVER["HTTP_HOST"],"
";
echo $_SERVER["SERVER_ADDR"],"
";
echo $_SERVER["REQUEST_METHOD"],"
";
echo $_SERVER["REMOTE_ADDR"],"
";
echo $_SERVER["SCRIPT_FILENAME"],"
";
?>

">

Name:

"; ?> ?Param1=参数1&Param2=参数2">测试GET "; ?> "; } $x = 1; TestVar($x); echo $x . "
";//结果是2,&传址; echo "__Line__:",__LINE__,"__File__:",__FILE__,"
"; echo "__Dir__:",__DIR_,"
"; class TestGlobalVar{ function MyFun1(){ echo "__FUNCTION__",__FUNCTION__, ";__Class__:",__CLASS__,"
"; } } $V1 = new TestGlobalVar(); $V1->MyFun1(); class MyBase{ function SayHello(){ echo "Hello"; } } //trait这个语法没有见到过,需要留意下.~ trait TraitSay{ public function SayHello(){ parent::SayHello(); echo "World"; } } class MyChild extends MyBase{ use TraitSay; } $c = new MyChild(); $c->SayHello(); ?> 基本语法差不多了。

以上就介绍了 [php学习二]基本语法练习二，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。