\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{guslong}
\pdfinfo{
  /Title (php-syntax-for-beginners.pdf)
  /Creator (Cheatography)
  /Author (guslong)
  /Subject (PHP Syntax for beginners Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% 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
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{0505FF}
\definecolor{LightBackground}{HTML}{EFEFFF}
\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{PHP Syntax for beginners Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{guslong} via \textcolor{DarkBackground}{\uline{cheatography.com/1345/cs/451/}}}
\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}guslong \\
  \uline{cheatography.com/guslong} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 20th July, 2012.\\
   Updated 25th February, 2020.\\
   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*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{connection to mysql database}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Connect to the database} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\$dbc = mysqli\_connect(HOST, USER, PW, DB);} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Query the database} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\$result = mysqli\_query(\$dbc, \$query);} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Close the connection} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}mysqli\_close(\$dbc);} \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{PHP functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
isset() & test for variable exists \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
empty() & test for empty variable \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
mail(\$to, \$subject, \$msg, 'From: ' . \$email) & mail function \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
\seqsplit{mysqli\_fetch\_array(\$result)} & fetch each row of a query (in \$result) \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
header() & send a header from the server \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
is\_numeric() & test to see if a value is number \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
exit() & causes script to stop immediately \tn 
% Row Count 15 (+ 2)
% Row 7
\SetRowColor{white}
trim(\$string) & trims leading and trailing spaces \tn 
% Row Count 17 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\seqsplit{mysqli\_real\_escape\_string(\$string)} & escapes special characters \tn 
% Row Count 19 (+ 2)
% Row 9
\SetRowColor{white}
str\_replace('a', 'b', \$string) & replace a with b in a string \tn 
% Row Count 21 (+ 2)
% Row 10
\SetRowColor{LightBackground}
explode(', ' , \$string) & make string into array \tn 
% Row Count 23 (+ 2)
% Row 11
\SetRowColor{white}
implode(', " \$string) & make array into string \tn 
% Row Count 25 (+ 2)
% Row 12
\SetRowColor{LightBackground}
substr (\$string, start, len) & grabs a substring \tn 
% Row Count 27 (+ 2)
% Row 13
\SetRowColor{white}
preg\_match('regex', \$string) & matches regular expressions \tn 
% Row Count 29 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\seqsplit{preg\_replace('regex'}, \$replace, \$string) & replaces characters in a string by regex \tn 
% Row Count 31 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{IF syntax}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{if (condition) \{ \newline % Row Count 1 (+ 1)
   ... \} \newline % Row Count 2 (+ 1)
   elseif (condition) \{ \newline % Row Count 3 (+ 1)
      ... \} \newline % Row Count 4 (+ 1)
   else \{ \newline % Row Count 5 (+ 1)
     ... \}% Row Count 6 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Loops}}  \tn
% Row 0
\SetRowColor{LightBackground}
FOR loop & for (initialize; condition; update) \{ ... \} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
WHILE loop & while (condition)  \{ ... \} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
FOREACH loop & foreach (\$array as \$value) \{ ... \} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
DO WHILE & do \{ ... ;\} while (condition) \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{FOR (loop until a condition is met) \newline WHILE (loop through query results) \newline FOREACH (loop through an array)}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{CONTINUE}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{for (\$i = 0; \$i \textless{} 5; ++\$i) \{ \newline % Row Count 1 (+ 1)
    if (\$i == 2) \newline % Row Count 2 (+ 1)
        continue; \newline % Row Count 3 (+ 1)
    print "\$i , "; \newline % Row Count 4 (+ 1)
\}% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{produces the following output: \newline 0 , 1 , 3 , 4}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{SWITCH syntax}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{SWITCH (\$s) \{ \newline % Row Count 1 (+ 1)
    case 1: \newline % Row Count 2 (+ 1)
      ... \newline % Row Count 3 (+ 1)
      break; \newline % Row Count 4 (+ 1)
    case 2: \newline % Row Count 5 (+ 1)
      ... \newline % Row Count 6 (+ 1)
      break; \newline % Row Count 7 (+ 1)
    default: \newline % Row Count 8 (+ 1)
      ... \newline % Row Count 9 (+ 1)
\}% Row Count 10 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{can be used with numbers, or strings}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.54287 cm} x{3.43413 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Regular Expressions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textasciicircum{} & start of string \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textbackslash{}d & number from 0 to 9 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textbackslash{}s & whitespace \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
. & any letter or digit or whitespace \tn 
% Row Count 5 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\textbackslash{}w & any alphanumeric {[}0-9A-Za-z{]} \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
\$ & end of string \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
(    ) & group \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
{[}    {]} & character class \tn 
% Row Count 10 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\{x\}  \{x,\}  \{x,y\} & x of  |  x or more of  |  x to y of \tn 
% Row Count 12 (+ 2)
% Row 9
\SetRowColor{white}
| & or \tn 
% Row Count 13 (+ 1)
% Row 10
\SetRowColor{LightBackground}
* & none or more \tn 
% Row Count 14 (+ 1)
% Row 11
\SetRowColor{white}
? & none or one \tn 
% Row Count 15 (+ 1)
% Row 12
\SetRowColor{LightBackground}
+ & one or more \tn 
% Row Count 16 (+ 1)
% Row 13
\SetRowColor{white}
\textbackslash{} & escape \tn 
% Row Count 17 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Arrays}}  \tn
% Row 0
\SetRowColor{LightBackground}
Create & \$myArray = array(); \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Push into & \$myArray{[}{]} = "Something"; \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Push to associative & \$myArray{[}'key'{]} = "Value"; \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Create numeric & \$myArray = array('value', 'value2'); \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Create associative & \$a = array('key'=\textgreater{}'val'); \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Print from numeric & echo \$myArray{[}0{]}; \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Print from associative & echo \$myArray{[}'key'{]}; \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
Associative arrays & Keys are strings \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Numeric arrays & Keys are numbers: 0,1,2,3,4 \tn 
% Row Count 17 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}