Để bật tiện ích mở rộng, hãy xác minh rằng chúng đã được bật trong tệp .ini của bạn:

Пытаюсь запустить nhà soạn nhạc чтобы тот стянул проект.
А PHP мозги выносит.

stop investin.dev # /usr/bin/php5.6 composer.phar update
Do not run Composer as root/super user! See //getcomposer.org/root for details
Loading composer repositories with package information
Warning: Accessing composer.ibecsystems.kz over http which is an insecure protocol.
Updating dependencies [including require-dev]                                         
Your requirements could not be resolved to an installable set of packages.

  Проблема 1
    - laravel/framework v5.0.6 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.5 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.4 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.35 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.34 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.33 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.32 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.31 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.3 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.29 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.28 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.27 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.26 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.25 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.24 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.23 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.22 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.21 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.20 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.19 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.18 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.17 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.16 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.15 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.14 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.13 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.12 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.11 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.10 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework v5.0.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework 5.0.x-dev requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - laravel/framework 5.0.30 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
    - Installation request for laravel/framework 5.0.* -> satisfiable by laravel/framework[5.0.30, 5.0.x-dev, v5.0.0, v5.0.1, v5.0.10, v5.0.11, v5.0.12, v5.0.13, v5.0.14, v5.0.15, v5.0.16, v5.0.17, v5.0.18, v5.0.19, v5.0.2, v5.0.20, v5.0.21, v5.0.22, v5.0.23, v5.0.24, v5.0.25, v5.0.26, v5.0.27, v5.0.28, v5.0.29, v5.0.3, v5.0.31, v5.0.32, v5.0.33, v5.0.34, v5.0.35, v5.0.4, v5.0.5, v5.0.6, v5.0.7, v5.0.8, v5.0.9].

  To enable extensions, verify that they are enabled in your .ini files:
    - /etc/php/5.6/cli/php.ini
    - /etc/php/5.6/cli/conf.d/10-opcache.ini
    - /etc/php/5.6/cli/conf.d/10-pdo.ini
    - /etc/php/5.6/cli/conf.d/20-calendar.ini
    - /etc/php/5.6/cli/conf.d/20-ctype.ini
    - /etc/php/5.6/cli/conf.d/20-curl.ini
    - /etc/php/5.6/cli/conf.d/20-exif.ini
    - /etc/php/5.6/cli/conf.d/20-fileinfo.ini
    - /etc/php/5.6/cli/conf.d/20-ftp.ini
    - /etc/php/5.6/cli/conf.d/20-gettext.ini
    - /etc/php/5.6/cli/conf.d/20-iconv.ini
    - /etc/php/5.6/cli/conf.d/20-json.ini
    - /etc/php/5.6/cli/conf.d/20-phar.ini
    - /etc/php/5.6/cli/conf.d/20-posix.ini
    - /etc/php/5.6/cli/conf.d/20-readline.ini
    - /etc/php/5.6/cli/conf.d/20-shmop.ini
    - /etc/php/5.6/cli/conf.d/20-sockets.ini
    - /etc/php/5.6/cli/conf.d/20-sysvmsg.ini
    - /etc/php/5.6/cli/conf.d/20-sysvsem.ini
    - /etc/php/5.6/cli/conf.d/20-sysvshm.ini
    - /etc/php/5.6/cli/conf.d/20-tokenizer.ini
  You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.

php --ini

stop investin.dev # /usr/bin/php5.6 --ini
Configuration File [php.ini] Path: /etc/php/5.6/cli
Loaded Configuration File:         /etc/php/5.6/cli/php.ini
Scan for additional .ini files in: /etc/php/5.6/cli/conf.d
Additional .ini files parsed:      /etc/php/5.6/cli/conf.d/10-opcache.ini,
/etc/php/5.6/cli/conf.d/10-pdo.ini,
/etc/php/5.6/cli/conf.d/20-calendar.ini,
/etc/php/5.6/cli/conf.d/20-ctype.ini,
/etc/php/5.6/cli/conf.d/20-curl.ini,
/etc/php/5.6/cli/conf.d/20-exif.ini,
/etc/php/5.6/cli/conf.d/20-fileinfo.ini,
/etc/php/5.6/cli/conf.d/20-ftp.ini,
/etc/php/5.6/cli/conf.d/20-gettext.ini,
/etc/php/5.6/cli/conf.d/20-iconv.ini,
/etc/php/5.6/cli/conf.d/20-json.ini,
/etc/php/5.6/cli/conf.d/20-phar.ini,
/etc/php/5.6/cli/conf.d/20-posix.ini,
/etc/php/5.6/cli/conf.d/20-readline.ini,
/etc/php/5.6/cli/conf.d/20-shmop.ini,
/etc/php/5.6/cli/conf.d/20-sockets.ini,
/etc/php/5.6/cli/conf.d/20-sysvmsg.ini,
/etc/php/5.6/cli/conf.d/20-sysvsem.ini,
/etc/php/5.6/cli/conf.d/20-sysvshm.ini,
/etc/php/5.6/cli/conf.d/20-tokenizer.ini

Bạn có nên làm gì với nó không?

Làm cách nào để bật tiện ích mở rộng trong PHP Ubuntu?

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Làm cách nào để bật tiện ích mở rộng PHP?

Tôi có thể tìm tệp PHP INI trong Ubuntu ở đâu?