phpurl地址以及josn技术

<?php

$url='http://www.php.cn/';

echo $url,'<hr>';

$url=urlencode('http://www.php.cn/');

echo $url,'<hr>';

$url=urldecode($url);

echo '<a href="'. $url .'">php中文网</a>','<br>';

echo http_build_query(['cate_id'=>'3','art_id'=>'10']),'<hr>';

$url='http://www.php.cn/course.html?p=5';

$url=parse_url($url);

echo '<pre>',var_export($url,true),'</pre><hr>';

量

$girl='波波姐';

echo json_encode($girl),'<hr>';

$bwh=['bust'=>'88','waist'=>85,'hips'=>'90'];

echo json_encode($bwh),'<hr>';

$obj=new stdClass();

$obj->name='吉泽明步';

$obj->age=21;

$obj->bwh=['bust'=>'83','waist'=>76,'hips'=>'88'];

echo json_encode($obj),'<hr>';

$json='{"bust":"88","waist":85,"hips":"90"}';

$res=json_decode($json);

echo gettype($res),'<hr>';

echo '胸围是：',$res->bust,'<br>';

$res=json_decode($json,true);

echo gettype($res),'<hr>';

echo '臀围是：',$res['hips'],'<br>';