If you use https, SOAP modules need to configure with openssl, otherwise will be catch a error like:
SOAP-ERROR: Parsing WSDL: Couldn't load from url
需求
此扩展需要 libxml PHP 扩展。这意味着需要传递 --with-libxml，或在 PHP 7.4 之前的版本中传递 --enable-libxml， 尽管这将默默完成因为 libxml 是默认开启的。
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User Contributed Notes 2 notes
benero at gmail dot com ¶
13 years ago
suchasplus at gmail dot com ¶
14 years ago
Typically, on microsoft windows(sometimes linux), we got "I/O warning : failed to load external entity" and "Fatal error: Uncaught SoapFault exception: [WSDL] SOAP-ERROR: Parsing WSDL: Couldn't load from somewhere".
only xml lib is not enough, php-soap also need cURL, and openssl if you wants connect to https
