PHP中curl的使用

curl_init()

返回一个 curl handle

curl_topt()

为curl handle设置参数，格式为 curlopt_xxx
常用参数：

curlopt_url：url

curlopt_referer：referer提交的页面

督组词拼音curlopt_post：是否是post请求

curlopt_timeout：超时时间

curlopt_httpheader：head请求数据

curlopt_header：

curlopt_ssl_verifypeer：fal to stop curl from verifying the peer’s certificate. alternate certificates to verify against can be specified with the curlop1克等于多少公斤t_cainfo option or a certificate directory can be specified with the curlopt_capath option.

curlopt_ssl_verifyhost：1 to check the existence of a common name in the ssl peer certificate. 2 to check the existence of a co高中毕业自我鉴定mmon name and also verify that it matches the hostname provided. 0 to not check the names. in production environments the value of this option should be kept at 2 (default value).

curlopt_returntransfer：true to return the transfer as a string of the return value of curl_exec() instead 广州卫生职业技术学院of outp执子之手与子偕老是什么意思utting it directly.

curlopt_postfields：post提交数据

curl_exec()

执行请求，如果设置了 curlopt_returntransfer，成功会返回结果，失败返回fal。

curl_clo()

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