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First,

PHP version: PHP 7.0.18 & distro: CentOS Linux release 7.3.1611 (Core) I am a sudo user.

I am setting up a Themosis Wordpress install, and I have all of the apache config stuff working great.

Themosis uses Composer to manage dependencies. The issue I'm having is when I run composer install in the root of my application. What's supposed to happen is that composer installs everything I need for the site, which includes a vendor folder, and a folder called cms with a Wordpress installation. What I actually get is this:

 Problem 1
    - illuminate/database v5.5.0 requires illuminate/support 5.5.* -> satisfiable by illuminate/support[v5.5.0, v5.5.2].
    - illuminate/database v5.5.2 requires illuminate/support 5.5.* -> satisfiable by illuminate/support[v5.5.0, v5.5.2].
    - illuminate/database v5.4.0 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.4.13 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.4.17 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.4.19 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.4.27 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.4.36 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.4.9 requires illuminate/support 5.4.* -> satisfiable by illuminate/support[v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9].
    - illuminate/database v5.3.0 requires illuminate/support 5.3.* -> satisfiable by illuminate/support[v5.3.0, v5.3.16, v5.3.23, v5.3.4].
    - illuminate/database v5.3.16 requires illuminate/support 5.3.* -> satisfiable by illuminate/support[v5.3.0, v5.3.16, v5.3.23, v5.3.4].
    - illuminate/database v5.3.23 requires illuminate/support 5.3.* -> satisfiable by illuminate/support[v5.3.0, v5.3.16, v5.3.23, v5.3.4].
    - illuminate/database v5.3.4 requires illuminate/support 5.3.* -> satisfiable by illuminate/support[v5.3.0, v5.3.16, v5.3.23, v5.3.4].
    - illuminate/support v5.5.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.5.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.9 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.36 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.27 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.19 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.17 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.13 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.4.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.3.4 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.3.23 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.3.16 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - illuminate/support v5.3.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - Installation request for illuminate/database ^5.3 -> satisfiable by illuminate/database[v5.3.0, v5.3.16, v5.3.23, v5.3.4, v5.4.0, v5.4.13, v5.4.17, v5.4.19, v5.4.27, v5.4.36, v5.4.9, v5.5.0, v5.5.2].

The vendor file is not made, and neither is the web folder that holds Wordpress. Here's what I've tried so far:

  1. composer require illuminate/support 5.5.* This fails because it requires mbstring.

Result:

Problem 1
- illuminate/support v5.5.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- illuminate/support v5.5.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
- Installation request for illuminate/support 5.5.* -> satisfiable by illuminate/support[v5.5.0, v5.5.2].

  1. I tried to install mbstring with sudo yum install php-mbstring. This didn't find a package, so I followed the steps in this StackOverflow question and switched from the mirror URL to baseurl=http://centos.intergenia.de/$releasever/updates/$basearch/. This found a package but still failed. Here's where we get to the actual problem:

    Error: php70u-common conflicts with php-common-5.4.16-42.el7.x86_64 Error: php70u-json conflicts with php-common-5.4.16-42.el7.x86_64

From my Google research, I read that you need to install extra repositories for PHP7, but I have no idea what that means, or if that's what I need to do, or how to do it. I don't know who had this server space before me, but I know it had been upgraded to PHP 7 just before I got my hands on it.

  1. Tried to update yum

    Disk Requirements: At least 308MB more space needed on the / filesystem.

I don't believe my issue is related to themosis, or Composer itself. I found this possible solution, (yum install php-mbstring --enablerepo=remi) but don't want to completely wreck my server and I don't know how to undo that one if it's wrong. Is this Remi repository what I need to fix this?

intrepid_em
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1 Answers1

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You need to install additional extensions is the same package namespace that the already installed packages:

  • remi: php-mbstring (see the Wizard)
  • webtatic: php70w-mbstring
  • IUS: php70u-mbstring
  • etc
Remi Collet
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  • Do you know how I'd check if any of those are already installed? I'm new to this. – intrepid_em Oct 05 '17 at 17:10
  • $ sudo yum list | grep "\-mbstring" php-mbstring.x86_64 5.4.16-42.el7 base php56u-mbstring.x86_64 5.6.31-1.ius.centos7 ius php70u-mbstring.x86_64 7.0.23-1.ius.centos7 ius php71u-mbstring.x86_64 7.1.9-2.ius.centos7 ius – intrepid_em Oct 05 '17 at 17:12