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curl_errno - ·µ»ØÒ»¸ö°üº¬µ±Ç°»á»°´íÎóÐÅÏ¢µÄÊý×Ö±àºÅ 
curl_error - ·µ»ØÒ»¸ö°üº¬µ±Ç°»á»°´íÎóÐÅÏ¢µÄ×Ö·û´® 
curl_exec - Ö´ÐÐÒ»¸öcurl»á»° 
curl_getinfo - »ñȡһ¸öcurlÁ¬½Ó×ÊÔ´¾ä±úµÄÐÅÏ¢ 
curl_init - ³õʼ»¯Ò»¸öcurl»á»° 
curl_multi_add_handle - ÏòcurlÅú´¦Àí»á»°ÖÐÌí¼Óµ¥¶ÀµÄcurl¾ä±ú×ÊÔ´ 
curl_multi_close - ¹Ø±ÕÒ»¸öÅú´¦Àí¾ä±ú×ÊÔ´ 
curl_multi_exec - ½âÎöÒ»¸öcurlÅú´¦Àí¾ä±ú 
curl_multi_getcontent - ·µ»Ø»ñÈ¡µÄÊä³öµÄÎı¾Á÷ 
curl_multi_info_read - »ñÈ¡µ±Ç°½âÎöµÄcurlµÄÏà¹Ø´«ÊäÐÅÏ¢ 
curl_multi_init - ³õʼ»¯Ò»¸öcurlÅú´¦Àí¾ä±ú×ÊÔ´ 
curl_multi_remove_handle - ÒÆ³ýcurlÅú´¦Àí¾ä±ú×ÊÔ´ÖеÄij¸ö¾ä±ú×ÊÔ´ 
curl_multi_select - Get all the sockets associated with the cURL extension, which can then be "selected" 
curl_setopt_array - ÒÔÊý×éµÄÐÎʽΪһ¸öcurlÉèÖûỰ²ÎÊý 
curl_setopt - Ϊһ¸öcurlÉèÖûỰ²ÎÊý 
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