php http的get和post封装

http.php

<?php
/*
 * http request tool
 */
/*
 * get method
 */
function get($url, $param=array()){
	if(!is_array($param)){
		throw new Exception("参数必须为array");
	}
	$p='';
	foreach($param as $key => $value){
		$p=$p.$key.'='.$value.'&';
	}
	if(preg_match('/\?[\d\D]+/',$url)){//matched ?c
		$p='&'.$p;
	}else if(preg_match('/\?$/',$url)){//matched ?$
		$p=$p;
	}else{
		$p='?'.$p;
	}
	$p=preg_replace('/&$/','',$p);
	$url=$url.$p;
	//echo $url;
	$httph =curl_init($url);
	curl_setopt($httph, CURLOPT_SSL_VERIFYPEER, 0);
	curl_setopt($httph, CURLOPT_SSL_VERIFYHOST, 1);
	curl_setopt($httph,CURLOPT_RETURNTRANSFER,1);
	curl_setopt($httph, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
	
	curl_setopt($httph, CURLOPT_RETURNTRANSFER,1);
	curl_setopt($httph, CURLOPT_HEADER,1);
	$rst=curl_exec($httph);
	curl_close($httph);
	return $rst;
}
/*
 * post method
 */
function post($url, $param=array()){
	if(!is_array($param)){
		throw new Exception("参数必须为array");
	}
	$httph =curl_init($url);
	curl_setopt($httph, CURLOPT_SSL_VERIFYPEER, 0);
	curl_setopt($httph, CURLOPT_SSL_VERIFYHOST, 1);
	curl_setopt($httph,CURLOPT_RETURNTRANSFER,1);
	curl_setopt($httph, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)");
	curl_setopt($httph, CURLOPT_POST, 1);//设置为POST方式 
	curl_setopt($httph, CURLOPT_POSTFIELDS, $param);
	curl_setopt($httph, CURLOPT_RETURNTRANSFER,1);
	curl_setopt($httph, CURLOPT_HEADER,1);
	$rst=curl_exec($httph);
	curl_close($httph);
	return $rst;
}