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[ PHP cURL Reference Manual](#) (PHP 5 >= 5.5.0) curl_multi_setopt — Set an option for a cURL batch transfer. * * * ## Description bool curl_multi_setopt ( resource $mh , int $option , mixed $value ) Sets an option for a cURL batch transfer. * * * ## Parameters **ch** The cURL handle returned by curl_init(). **option** The CURLOPT_XXX option to set. **value** The value to set for the option. For the following options, the value should be set to a bool type: | Option | Possible _value_ values | Notes | | --- | --- | --- | | **CURLOPT_AUTOREFERER** | When following a _Location:_ header, automatically set the _Referer:_ header. | | | **CURLOPT_BINARYTRANSFER** | Return the raw output when **CURLOPT_RETURNTRANSFER** is enabled. | | | **CURLOPT_COOKIESESSION** | When enabled, curl will only send a session cookie, ignoring other cookies. By default, cURL will return all cookies to the server. A session cookie is one that is used to determine if the server-side session is valid. | | | **CURLOPT_CRLF** | Convert Unix line breaks to Windows line breaks. | | | **CURLOPT_DNS_USE_GLOBAL_CACHE** | Enable a global DNS cache. This is thread-safe and enabled by default. | | | **CURLOPT_FAILONERROR** | Display HTTP status codes. The default behavior is to ignore HTTP information with codes less than or equal to 400. | | | **CURLOPT_FILETIME** | Attempt to modify the remote document's information. The result information can be returned via the _CURLINFO_FILETIME_ option of the curl_getinfo() function. curl_getinfo(). | | | **CURLOPT_FOLLOWLOCATION** | When enabled, recursively return the _"Location: "_ header from the server in the header. Use **CURLOPT_MAXREDIRS** to limit the number of recursive returns. | | | **CURLOPT_FORBID_REUSE** | Force close the connection after the transfer, preventing reuse. | | | **CURLOPT_FRESH_CONNECT** | Force a new connection, replacing any cached one. | | | **CURLOPT_FTP_USE_EPRT** | When enabled, use the EPRT (or LPRT) command for FTP downloads. Set to **FALSE** to disable EPRT and LPRT, using only the PORT command. | | | **CURLOPT_FTP_USE_EPSV** | When enabled, try the EPSV command before reverting to PASV mode during FTP transfer. Set to **FALSE** to disable the EPSV command. | | | **CURLOPT_FTPAPPEND** | When enabled, append to the file instead of overwriting it. | | | **CURLOPT_FTPASCII** | Alias for **CURLOPT_TRANSFERTEXT**. | | | **CURLOPT_FTPLISTONLY** | When enabled, list only FTP directory names. | | | **CURLOPT_HEADER** | When enabled, output the header information as a data stream. | | | **CURLINFO_HEADER_OUT** | When enabled, track the handle's request string. | Available since PHP 5.1.3. The **CURLINFO_** prefix is intentional. | | **CURLOPT_HTTPGET** | When enabled, set the HTTP method to GET. Since GET is the default, this is only used if modified. | | | **CURLOPT_HTTPPROXYTUNNEL** | When enabled, tunnel through an HTTP proxy. | | | **CURLOPT_MUTE** | When enabled, restore all modified parameters in cURL functions to their default values. | | | **CURLOPT_NETRC** | After the connection is established, access the ~/.netrc file to get username and password information for connecting to the remote site. | | | **CURLOPT_NOBODY** | When enabled, do not output the BODY part of an HTML document. | | | **CURLOPT_NOPROGRESS** | When enabled, disable the progress bar for curl transfers. This is enabled by default. > **Note**: > > > PHP automatically sets this option to **TRUE**. This option should only be changed for debugging purposes. | | | **CURLOPT_NOSIGNAL** | When enabled, ignore all signals passed from curl to PHP. This is enabled by default in SAPI multi-threaded transfers. | Added in cURL 7.10. | | **CURLOPT_POST** | When enabled, send a regular POST request of type: _application/x-www-form-urlencoded_, similar to a form submission. | | | **CURLOPT_PUT** | When enabled, allow HTTP to send files. Must also set **CURLOPT_INFILE** and **CURLOPT_INFILESIZE**. | | | **CURLOPT_RETURNTRANSFER** | Return the information obtained by curl_exec() as a file stream instead of directly outputting it. | | | **CURLOPT_SSL_VERIFYPEER** | When disabled, cURL will stop verifying the server. Use **CURLOPT_CAINFO** to set the certificate and **CURLOPT_CAPATH** to set the certificate directory. If **CURLOPT_SSL_VERIFYPEER** (default is 2) is enabled, **CURLOPT_SSL_VERIFYHOST** needs to be set to **TRUE**, otherwise set to **FALSE**. | Default is **TRUE** since cURL 7.10. Bundled installation default since cURL 7.10. | | **CURLOPT_TRANSFERTEXT** | When enabled, use ASCII mode for FTP transfers. For LDAP, it retrieves plain text information instead of HTML. On Windows, the system will not set _STDOUT_ to binary mode. | | | **CURLOPT_UNRESTRICTED_AUTH** | Continue appending username and password information in headers generated by **CURLOPT_FOLLOWLOCATION** across multiple locations, even if the domain changes. | | | **CURLOPT_UPLOAD** | When enabled, allow file uploads. | | | **CURLOPT_VERBOSE** | When enabled, report all information, stored in _STDERR_ or the specified **CURLOPT_STDERR**. | | * * * ## Return Values Returns TRUE on success, or FALSE on failure. * * PHP cURL Reference Manual](#)