Laravel5 call to undefined function OpenSSL cipher IV length() error php7 failed to open OpenSSL extension

In the installation laravel5.5 after , Access display error . call to undefined function openssl cipher iv length()

It is found that php7.1 Of OpenSSL Extension loading Failure Lead to

Recovery method

1. Check http.conf LoadModule ssl_module modules/mod_ssl.so
2. php.ini Turn on extension=php_openssl.dll
3. take php7.1 To the directory libeay32.dll and ssleay32.dll Copy and replace the file to apache\bin Under the table of contents , Start again Apache ( Pay attention to backup in advance Apache/bin The corresponding files in the directory )

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