pro-vince

// Zed settings
//
// For information on how to configure Zed, see the Zed
// documentation: https://zed.dev/docs/configuring-zed
//
// To see all of Zed's default settings without changing your
// custom settings, run `zed: open default settings` from the
// command palette (cmd-shift-p / ctrl-shift-p)
{
  "cli_default_open_behavior": "existing_window",

pro-vince

$ cd ~
$ sudo curl -sS https://getcomposer.org/installer | sudo php
$ sudo mv composer.phar /usr/local/bin/composer
$ sudo ln -s /usr/local/bin/composer /usr/bin/composer

then you can run 
$ sudo composer install

pro-vince

<?xml version="1.0" encoding="UTF-8"?>
<ruleset name="PSR2R">
    <rule ref="PSR2">
        <exclude name="Squiz.Functions.MultiLineFunctionDeclaration.BraceOnSameLine" />
        <exclude name="PSR2.Classes.ClassDeclaration.OpenBraceNewLine" />
    </rule>
    <rule ref="PSR2.Classes.ClassDeclaration"/>
    <rule ref="PSR2.Classes.PropertyDeclaration"/>
    <rule ref="PSR2.ControlStructures.ControlStructureSpacing"/>
    <rule ref="PSR2.ControlStructures.ElseIfDeclaration"/>