\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Tính Vy (tinhvy)}
\pdfinfo{
  /Title (codeigniter4-for-beginners.pdf)
  /Creator (Cheatography)
  /Author (Tính Vy (tinhvy))
  /Subject (CodeIgniter4 for Beginners Cheat Sheet)
}

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% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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% Font and Colours
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\definecolor{FootBackground}{HTML}{666666}
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\definecolor{DarkBackground}{HTML}{0856A3}
\definecolor{LightBackground}{HTML}{EFF4F9}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{CodeIgniter4 for Beginners Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Tính Vy (tinhvy)} via \textcolor{DarkBackground}{\uline{cheatography.com/132374/cs/26789/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Tính Vy (tinhvy) \\
  \uline{cheatography.com/tinhvy} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 4th March, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{TOPIC 1: GETTING STARTED}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{1.1. Installation}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-angle-right\}\}Download Composer} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{\{\{popup="https://getcomposer.org/Composer-Setup.exe"\}\}composer\{\{/popup\}\}}}} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-angle-right\}\}Using Composer} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`composer create-project codeigniter4/appstarter yourappname`} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{1.2. Prepare Running Your App}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Configure CI4 to display error messages}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\emph{\{\{fa-angle-right\}\} Root|env}}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Change `env` to `.env`} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\emph{\{\{fa-angle-right\}\} Root|.env}}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`\# ENVIRONMENT` \{\{nl\}\} `CI\_ENVIRONMENT = development`} \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Hosting with Apache}}} \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{{\emph{Virtual Hosting}}}}} \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Step 1: In \seqsplit{xamp|apache|conf|httpd.conf} \{\{fa-angle-down\}\}} \tn 
% Row Count 10 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`\# Virtual hosts`\{\{nl\}\} `Include \seqsplit{conf/extra/httpd-vhosts.conf`}} \tn 
% Row Count 12 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Step 2: \seqsplit{xamp|apache|conf|extra|httpd-vhosts}.conf \{\{fa-angle-down\}\}} \tn 
% Row Count 14 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}` \textless{}VirtualHost *:80\textgreater{} \{\{nl\}\}     ServerName yourappname.local\{\{nl\}\}     DocumentRoot "D:/xampp/htdocs/yourappname/public"\{\{nl\}\}      \textless{}Directory "D:/xampp/htdocs/yourappname/public"\textgreater{}\{\{nl\}\}         Options Indexes FollowSymLinks\{\{nl\}\}         AllowOverride All\{\{nl\}\}         Require all granted\{\{nl\}\}     \textless{}/Directory\textgreater{}\{\{nl\}\} \textless{}/VirtualHost\textgreater{}\{\{nl\}\}`} \tn 
% Row Count 22 (+ 8)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Step 3: Edit the hosts file \{\{fa-angle-down\}\}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}The hosts file is used to map domain names to IP addresses. You can find this file at {\emph{`C:\textbackslash{}Windows\textbackslash{}System32\textbackslash{}drivers\textbackslash{}etc\textbackslash{}hosts}}` (on Windows) or /etc/hosts (on Linux or macOS). Add the following line to the hosts file:} \tn 
% Row Count 28 (+ 6)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`127.0.0.1 yourappname.local`} \tn 
% Row Count 29 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Finally\{\{fa-angle-down\}\}} \tn 
% Row Count 30 (+ 1)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{1.2. Prepare Running Your App}} (cont)}}  \tn
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Restart Apache in the XAMPP control panel.} \tn 
% Row Count 1 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{{\emph{Remove public/index.php/ from URL}}}}} \tn 
% Row Count 2 (+ 1)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Step 1: Change the `{\emph{App.php}}` file} \tn 
% Row Count 3 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Open \seqsplit{`project\_name/app/Config/App}.php*` \{\{nl\}\}\{\{nl\}\} changes are as follows:  \{\{nl\}\} `public \$baseURL = \seqsplit{'http://localhost:8080';`}   \{\{nl\}\} to \{\{nl\}\}   `public \$baseURL = \seqsplit{'http://localhost/your\_project\_name/';`}} \tn 
% Row Count 8 (+ 5)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}And the second change in the `{\emph{app.php}}` file:  \{\{nl\}\}  `{\emph{public \$uriProtocol = 'REQUEST\_URI';}}`   \{\{nl\}\}to\{\{nl\}\}   `{\emph{public \$uriProtocol = 'PATH\_INFO';}}`} \tn 
% Row Count 12 (+ 4)
% Row 19
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Step 2: Copy `{\emph{index.php}}` and `{\emph{.htaccess}}`} \tn 
% Row Count 13 (+ 1)
% Row 20
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Go to `{\emph{public directory}}` \{\{nl\}\}  Copy `{\emph{index.php}}` and `{\emph{.htaccess}}` \{\{nl\}\}  To\{\{nl\}\}codeigniter app root directory} \tn 
% Row Count 16 (+ 3)
% Row 21
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Step 3: Change the `{\emph{index.php}}`} \tn 
% Row Count 17 (+ 1)
% Row 22
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}In the root project directory, open `{\emph{index.php}}` and edit the following line: \{\{nl\}\} `{\emph{\$pathsPath = FCPATH . '../app/Config/Paths.php';}}`   \{\{nl\}\}change TO\{\{nl\}\}   `{\emph{\$pathsPath = FCPATH . 'app/Config/Paths.php';}}`  \{\{nl\}\} If the above solution is not work for; so you can configure your apache server; as shown below: \{\{nl\}\}  In the apache server, the {\bf{mode rewrite}} is already on. But some default values need to be changed on `{\emph{/etc/apache2/apache2.conf}}` file. Following are changes,\{\{nl\}\}  First, find\{\{nl\}\}\{\{nl\}\}  `{\emph{\textless{}Directory /var/www/\textgreater{}\{\{nl\}\} Options Indexes FollowSymLinks\{\{nl\}\} AllowOverride None\{\{nl\}\} Require all granted\{\{nl\}\} \textless{}/Directory\textgreater{}}}`\{\{nl\}\}  And change `{\emph{AllowOverride}}` None to `{\emph{All}}` and {\bf{save}}.\{\{nl\}\} Then enable mode rewrite \{\{nl\}\} Then restart the server,\{\{nl\}\}} \tn 
% Row Count 34 (+ 17)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{1.3. Run the application in a browser}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Local Development Server} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`php spark serve`} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Virtual Hosting} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`Ex: \{\{link="http://yourappname.localhost"\}\}yourappname.localhost\{\{/link\}\}`} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Removing the index.php} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\seqsplit{`http://localhost/your\_project\_name/`}} \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{TOPIC 2: VIEW LAYOUTS}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{How to integrate an admin layout into CodeIgniter 4 so that it is separate from the public layout.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{2.1. Create a folder for admin layout}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{In the `{\bf{{\emph{app/Views}}}}` folder,} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Create a new folder named `{\bf{{\emph{admin}}}}` to hold the layout files for the admin page. \{\{nl\}\} For example: `{\bf{{\emph{app/Views/admin/layout.php}}}}`.} \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{2.2. Create a layout file for the admin page}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\textless{}!-{}-  \newline app/Views/admin/layout.php \newline  \newline In the admin folder, create a generic layout file for your admin page.  \newline For example: \seqsplit{app/Views/admin/layout.php.}  \newline In this file, you can define layout elements such as header, menu, footer,  \newline and content.  \newline  \newline For example: \newline -{}-\textgreater{} \newline \textless{}!DOCTYPE html\textgreater{} \newline \textless{}html lang="en"\textgreater{} \newline \textless{}head\textgreater{} \newline     \textless{}meta charset="UTF-8"\textgreater{} \newline     \textless{}title\textgreater{}Admin Layout\textless{}/title\textgreater{} \newline \textless{}/head\textgreater{} \newline \textless{}body\textgreater{} \newline     \textless{}header\textgreater{} \newline         \textless{}h1\textgreater{}Admin Header\textless{}/h1\textgreater{} \newline     \textless{}/header\textgreater{} \newline     \textless{}nav\textgreater{} \newline         \textless{}ul\textgreater{} \newline             \textless{}li\textgreater{}\textless{}a href="\#"\textgreater{}Dashboard\textless{}/a\textgreater{}\textless{}/li\textgreater{} \newline             \textless{}li\textgreater{}\textless{}a href="\#"\textgreater{}Users\textless{}/a\textgreater{}\textless{}/li\textgreater{} \newline             \textless{}li\textgreater{}\textless{}a href="\#"\textgreater{}Settings\textless{}/a\textgreater{}\textless{}/li\textgreater{} \newline         \textless{}/ul\textgreater{} \newline     \textless{}/nav\textgreater{} \newline     \textless{}main\textgreater{} \newline         \textless{}?php echo \$this-\textgreater{}renderSection('content') ?\textgreater{} \newline     \textless{}/main\textgreater{} \newline     \textless{}footer\textgreater{} \newline         \textless{}p\textgreater{}Admin Footer\textless{}/p\textgreater{} \newline     \textless{}/footer\textgreater{} \newline \textless{}/body\textgreater{} \newline \textless{}/html\textgreater{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{2.3. Create view files for each admin page}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{app\textbackslash{}Views\textbackslash{}admin\textbackslash{}dashboard.php} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}` \textless{}?php \$this-\textgreater{}extend('admin/layout') ?\textgreater{} \{\{nl\}\} \{\{nl\}\} \textless{}?php \$this-\textgreater{}section('content') ?\textgreater{}\{\{nl\}\}     \textless{}h2\textgreater{}Dashboard\textless{}/h2\textgreater{}\{\{nl\}\}     \textless{}p\textgreater{}Welcome to the admin dashboard!\textless{}/p\textgreater{}\{\{nl\}\} \textless{}?php \$this-\textgreater{}endSection() ?\textgreater{}\{\{nl\}\} `} \tn 
% Row Count 6 (+ 6)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{2.4. Create routes for admin page}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{app/Config/Routes.php} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}` \$routes-\textgreater{}group('admin', \{\{nl\}\}     {[}'namespace' =\textgreater{} 'App\textbackslash{}Controllers\textbackslash{}Admin'{]}, \{\{nl\}\}     function(\$routes) \{\{\{nl\}\}     	\$routes-\textgreater{}get('dashboard', 'Dashboard::index');\{\{nl\}\}     	\$routes-\textgreater{}get('users', 'Users::index');\{\{nl\}\}     	\$routes-\textgreater{}get('settings', 'Settings::index');\{\{nl\}\} \});\{\{nl\}\} `} \tn 
% Row Count 8 (+ 8)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Here, all routes for the admin page start with the prefix admin, and all the controllers for the admin page are located in the App\textbackslash{}Controllers\textbackslash{}Admin namespace.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{2.5. Create controllers for the admin page}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{app\textbackslash{}Controllers\textbackslash{}Admin\textbackslash{}Dashboard.php} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}` \textless{}?php \{\{nl\}\} namespace App\textbackslash{}Controllers\textbackslash{}Admin;\{\{nl\}\} use CodeIgniter\textbackslash{}Controller;\{\{nl\}\} \{\{nl\}\} class Dashboard extends Controller\{\{nl\}\} \{\{\{nl\}\}     public function index()\{\{nl\}\}     \{\{\{nl\}\}         return view('admin/dashboard');\{\{nl\}\}     \}\{\{nl\}\} \}\{\{nl\}\}  `} \tn 
% Row Count 7 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{In each of these controller files, you need to inherit from CodeIgniter\textbackslash{}Controller and define a method to display the corresponding page. In this method, you can use the view helper to display the file view corresponding to that page.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{TOPIC 1: NAMING CONVENTION}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Controller file and class}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{File: `UsersController.php`} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`class UsersController extends Controller \{\}`} \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{URI Segments}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\emph{The segments in the URL, in following with the Model-View-Controller approach, usually represent:}}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\seqsplit{`example.com/class/method/ID`}} \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\{\{fa-check\}\}The first segment represents the controller class that should be invoked.\{\{nl\}\} \{\{fa-check\}\}The second segment represents the class method that should be called.\{\{nl\}\} \{\{fa-check\}\}The third, and any additional segments, represent the ID and any variables that will be passed to the controller.} \tn 
% Row Count 11 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{Work with Subdirectory Controllers}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{namespace}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`namespace App\textbackslash{}Controllers\textbackslash{}Foldername;`} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{use}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`use App\textbackslash{}Controllers\textbackslash{}BaseController; \{\{nl\}\} Class Classname extends BaseController()`} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Config|Routes}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`\$routes-\textgreater{}get('/foldername','foldername/controllername::method');`} \tn 
% Row Count 8 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{Database Migration}} (copy)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Creating Databases in the Command Line}} \newline % Row Count 1 (+ 1)
-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-- \newline % Row Count 2 (+ 1)
~~~`php spark db:create foo`% Row Count 3 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{6. Creating a table}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Run CLI}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`php spark migrate:create create\_nameoftable`} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Open created file :}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\{\{fa-check\}\} Add code to `up()` and  `down()` method} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Run CLI}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\{\{fa-check\}\} migrate: `php spark migrate`\{\{nl\}\} \{\{fa-check\}\} rollback:`php spark migrate:rollback`\{\{nl\}\} \{\{fa-check\}\} refresh:`php spark migrate:refresh`\{\{nl\}\} \{\{fa-check\}\} status:`php spark migrate:status`} \tn 
% Row Count 11 (+ 6)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\emph{Creating and Dropping Tables Document}} \newline https://codeigniter.com/user\_guide/dbmgmt/forge.html\#id4 \newline {\emph{MySQL Cheat Sheet}} \newline https://cheatography.com/davechild/cheat-sheets/mysql/ \newline {\emph{Up() method}} \newline `\$fields = {[}{]};` \newline `\$forge-\textgreater{}addField('id');` \newline `\$forge-\textgreater{}addField(\$fields);` \newline `//\$forge-\textgreater{}addPrimaryKey('id');` \newline `\$forge-\textgreater{}createTable('itscore');` \newline {\emph{down() method}} \newline `\$forge-\textgreater{}dropTable('itscore');`}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{{\bf{5. Connect to the database}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Create database \& its user:}}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Open PhpMyadmin  \{\{fa-angle-right\}\} Create a database \{\{fa-angle-right\}\}  Create a user} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Edit file `.env`: }}} \tn 
\mymulticolumn{1}{x{8.4cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`\#-{}-{}-{}-{}-{}-{}-{}-{}-`\{\{nl\}\} `\# DATABASE`\{\{nl\}\} `\#-{}-{}-{}-{}-{}-{}-{}-{}-`\{\{nl\}\} \seqsplit{`database.default.hostname} = localhost`\{\{nl\}\} \seqsplit{`database.default.database} = databasename`\{\{nl\}\} \seqsplit{`database.default.username} = username`\{\{nl\}\} \seqsplit{`database.default.password} = password`\{\{nl\}\} \seqsplit{`database.default.DBDriver} = MySQLi`} \tn 
% Row Count 10 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\emph{Run app in a browser to see if you get any errors. If not, your connection is sucessful.}}}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Some common CLI commands}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{php spark serve  \newline -\textgreater{} This command starts the development server and serves your CodeIgniter 4 application on http://localhost:8080/. \newline  \newline php spark make:controller MyController  \newline - \textgreater{}This command creates a new controller named MyController in the app/Controllers directory. \newline  \newline php spark make:model MyModel  \newline -\textgreater{} This command creates a new model named MyModel in the app/Models directory. \newline  \newline php spark make:migration create\_users\_table  \newline -\textgreater{} This command creates a new migration file for creating a users table in your database. \newline  \newline php spark migrate  \newline -\textgreater{} This command runs any pending database migrations. \newline  \newline php spark db:seed MySeeder  \newline -\textgreater{} This command seeds your database with data using the specified seeder class name. \newline  \newline /{\emph{These are just a few examples of the many CLI commands available in CodeIgniter 4. You can run php spark to see a list of all available commands and their descriptions.}}/} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}