curl_multi_add_handle()

(PHP 5, PHP 7)

向curl批处理会话中添加单独的curl句柄

说明

增加$ch句柄到批处理会话$mh

参数

由curl_multi_init()返回的 cURL 多个句柄。

由curl_init()返回的 cURL 句柄。

返回值

成功时返回0，失败时返回CURLM_XXX之一的错误码。

范例

curl_multi_add_handle() example

这个范例将会创建2个cURL句柄，把它们加到批处理句柄，然后并行地运行它们。

参见

• curl_multi_remove_handle()移除cURL批处理句柄资源中的某个句柄资源
• curl_multi_init()返回一个新cURL批处理句柄
• curl_init()初始化 cURL 会话

The 'do' loop in this example will cycle indefinitely until all curl downloads complete, needlessly using CPU cycles. A much better way is to block while dowloads are in progress. Refer to the example code on the curl_multi_exec() page instead, which does this!

Sometime with arrays and loops (i.e. for or do while or foreach) curl_multi_init loses some hits, to work around this problem it is necessary to divide the loop into two parts: the start with key number zero and than, all the rest. In this way the curl_multi_init doesn't lose any hits. I did a lot of test and it seems to work well enough. 

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