title: php intl extension missing
body: <p>I'm using a Mac Mojave. Installed <code>MAMP</code>. Composer Version <code>1.8.4</code> . When trying to create cakePHP project inside the htdocs by using </p>
  
  <p><code>composer create-project --prefer-dist cakephp/app test</code></p>
  
  <p>The terminal is giving error  </p>
  
  <pre><code>    PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/extensions/no-debug-non-zts-20160303/intl.so' - dlopen(/usr/lib/php/extensions/no-debug-non-zts-20160303/intl.so, 0x0009): dlopen(): file not found: /usr/lib/php/extensions/no-debug-non-zts-20160303/intl.so in Unknown on line 0
  Installing cakephp/app (3.7.1)
    - Installing cakephp/app (3.7.1): Loading from cache
  Created project in patientcare
  Loading composer repositories with package information
  Updating dependencies (including require-dev)
  Your requirements could not be resolved to an installable set of packages.
  
    Problem 1
      - cakephp/cakephp 3.7.5 requires ext-intl * -&gt; the requested PHP extension intl is missing from your system.
      - cakephp/cakephp 3.7.4 requires ext-intl * -&gt; the requested PHP extension intl is missing from your system.
      - cakephp/cakephp 3.7.3 requires ext-intl * -&gt; the requested PHP extension intl is missing from your system.
      - cakephp/cakephp 3.7.2 requires ext-intl * -&gt; the requested PHP extension intl is missing from your system.
      - cakephp/cakephp 3.7.1 requires ext-intl * -&gt; the requested PHP extension intl is missing from your system.
      - cakephp/cakephp 3.7.0 requires ext-intl * -&gt; the requested PHP extension intl is missing from your system.
      - Installation request for cakephp/cakephp 3.7.* -&gt; satisfiable by cakephp/cakephp[3.7.0, 3.7.1, 3.7.2, 3.7.3, 3.7.4, 3.7.5].
  
    To enable extensions, verify that they are enabled in your .ini files:
      - /etc/php.ini
    You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.
  </code></pre>
  
  <p>Doing some research on the internet, I tried to enable the <code>intl extension</code> in the php files in <code>etc/php.ini</code> and also the <code>php.ini</code> file inside the MAMP folder. </p>
  
  <p>I am stuck on this for a whole day and had not been able to make any progress. </p>
  
  <p>Please help me. </p>