There are a lot of perblems trigger because missing some PHP Extensions!

Can someone tell us which Extensions must be installed and enabled!

Hi @LAIPENG,

Please see system requirements here: https://docs.pkp.sfu.ca/admin-guide/en/getting-started#system-requirements

-Roger
PKP Team

Hi @LAIPENG,

See this related discussion:

It’s a little hard to list required extensions, because some platforms will include PHP functionality built-in, and others will build functionality with optional modules. It’ll also vary by PHP verision. But generally speaking, you’ll need intl, xsl, mbstring, and MySQL or PostgreSQL. If you get a specific error message, that’ll help us suggest further.

Regards,
Alec Smecher
Public Knowleldge Project Team

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