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[笔记]几个简单有用的PHP函数

2016-01-08 01:04 706 查看
收藏几个简单的PHP函数,分别用于对象到数组转换、json到php数组转换功能、curl模拟POST以及根据链接获取内容。不直接使用
json_decode()
的原因是php
json_decode()
函数对
\xA312
此类字符支持不好。

1. 对象到数组转换

function objToArr($obj){
if(!is_object($obj) && !is_array($obj)) {
return $obj;
}
$arr = array();
foreach($obj as $k => $v){
$arr[$k] = $this->objToArr($v);
}
return $arr;
}


2. json到php数组转换

function simple_json_parser($json){
$json = str_replace("{","",str_replace("}","", $json));
$jsonValue = explode(",", $json);
$arr = array();
foreach($jsonValue as $v){
$jValue = explode(":", $v);
$arr[str_replace('"',"", $jValue[0])] = (str_replace('"', "", $jValue[1]));
}
return $arr;
}


3. curl 实现 GET / POST

function oauth_http($method,$header,$url,$data){
$method = $method ? $method : 'get';
if( $method == 'get') {
$ch = curl_init ();
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, TRUE );
curl_setopt ( $ch, CURLOPT_URL, $url );
$result = curl_exec ( $ch );
curl_close ( $ch );
return $result;
} elseif ( $method == 'post' ) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, TRUE );
curl_setopt ( $ch, CURLOPT_POST, TRUE );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $data );
curl_setopt ( $ch, CURLOPT_URL, $url );
curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, FALSE);
$ret = curl_exec ( $ch );
curl_close ( $ch );
return $ret;
}
}


4. 获取链接内容(不存在file_get_contents() 时使用curl方法)

function get_url_contents($url)
{
if (ini_get("allow_url_fopen") == "1")
return file_get_contents($url);

$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$result =  curl_exec($ch);
curl_close($ch);

return $result;
}
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