[] Fatalerror: Calltoundefinedfunctioncurl_init () occurs when the cURL library is used ()

[For help] the above error occurs when Fatalerror: Calltoundefinedfunctioncurl_init () is used for cURL-init () when the cURL library is used. Google suddenly has php_curl.dll under the ext folder, the php installation path also contains libeay32.dll and s [for help] Fatal error: Call to undefined function curl_init () when the cURL library is used ()
The above error occurs when you use the cURL library for curl -- init (). Google suddenly has php_curl.dll in the ext folder, and libeay32.dll, ssleay32.dll, and C in the php installation path: /windows/system32 also contains these, php. extension = php_curl.dll has also been modified in ini, but it still persists. no curl information exists in phpinfo (). What should I do?
The php version is 5.2.3 and the platform is windows 7 64-bit ......

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First, let's see where your php. ini is.
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[Color = # FFFFFF] ...... [/color]
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Configuration File (php. ini) Path default php. ini Path
Loaded Configuration File: actual php. ini path
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It is a problem with the configuration file. if it is not correct, it is wrong.
Is a curl Library problem
It is an issue of apache and php environment startup and loading.