\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{Dave Child (DaveChild)}
\pdfinfo{
  /Title (php.pdf)
  /Creator (Cheatography)
  /Author (Dave Child (DaveChild))
  /Subject (PHP 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}{5A68A5}
\definecolor{LightBackground}{HTML}{F4F5F9}
\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 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Dave Child (DaveChild)} via \textcolor{DarkBackground}{\uline{cheatography.com/1/cs/2/}}}
\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}Dave Child (DaveChild) \\
  \uline{cheatography.com/davechild} \\
        \uline{\seqsplit{aloneonahill}.com}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 19th October, 2011.\\
   Updated 29th 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}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{PHP Array Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_diff"\}\}array\_diff (arr1, arr2 ...)} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_diff"\}\}array\_filter (arr, function)} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_diff"\}\}array\_flip (arr)} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_intersect"\}\}array\_intersect (arr1, arr2 ...)} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_merge"\}\}array\_merge (arr1, arr2 ...)} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_pop"\}\}array\_pop (arr)} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_push"\}\}array\_push (arr, var1, var2 ...)} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_reverse"\}\}array\_reverse (arr)} \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_search"\}\}array\_search (needle, arr)} \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/array\_walk"\}\}array\_walk (arr, function)} \tn 
% Row Count 20 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/count"\}\}count (count)} \tn 
% Row Count 22 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/in\_array"\}\}in\_array (needle, haystack)} \tn 
% Row Count 24 (+ 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}{PHP String Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/crypt"\}\}crypt (str, salt)} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/explode"\}\}explode (sep, str)} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/implode"\}\}implode (glue, arr)} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/nl2br"\}\}nl2br (str)} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/sprintf"\}\}sprintf (frmt, args)} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strip\_tags"\}\}strip\_tags (str, allowed\_tags)} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/str\_replace"\}\}str\_replace (search, replace, str)} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strpos"\}\}strpos (str, needle)} \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strrev"\}\}strrev (str)} \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strstr"\}\}strstr (str, needle)} \tn 
% Row Count 20 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strtolower"\}\}strtolower (str)} \tn 
% Row Count 22 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strtoupper"\}\}strtoupper (str)} \tn 
% Row Count 24 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/substr"\}\}substr (string, start, len)} \tn 
% Row Count 26 (+ 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}{PHP Filesystem Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/clearstatcache"\}\}clearstatcache ()} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/copy"\}\}copy (source, dest)} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/fclose"\}\}fclose (handle)} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/fgets"\}\}fgets (handle, len)} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/file"\}\}file (file)} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/filemtime"\}\}filemtime (file)} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/filesize"\}\}filesize (file)} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/file\_exists"\}\}file\_exists (file)} \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/fopen"\}\}fopen (file, mode)} \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/fread"\}\}fread (handle, len)} \tn 
% Row Count 20 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/fwrite"\}\}fwrite (handle, str)} \tn 
% Row Count 22 (+ 2)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/readfile"\}\}readfile (file)} \tn 
% Row Count 24 (+ 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}{PHP Date and Time Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/checkdate"\}\}checkdate (month, day, year)} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/date"\}\}date (format, timestamp)} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/getdate"\}\}getdate (timestamp)} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/mktime"\}\}mktime (hr, min, sec, month, day, yr)} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strftime"\}\}strftime (formatstring, timestamp)} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/strtotime"\}\}strtotime (str)} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/time"\}\}time ()} \tn 
% Row Count 13 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{PHP Regular Expressions Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/ereg"\}\}ereg (pattern, str)} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/split"\}\}split (pattern, str)} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/ereg\_replace"\}\}ereg\_replace (pattern, replace, str)} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/preg\_grep"\}\}preg\_grep (pattern, arr)} \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/preg\_match"\}\}preg\_match (pattern, str)} \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/preg\_match\_all"\}\}preg\_match\_all (pattern, str, arr)} \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/preg\_replace"\}\}preg\_replace (pattern, replace, str)} \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{noshy\}\}\{\{popup="http://php.net/preg\_split"\}\}preg\_split (pattern, str)} \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Regular Expressions Syntax}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textasciicircum{} & Start of string \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\$ & End of string \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
. & Any single character \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
(a|b) & a or b \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
(...) & Group section \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
{[}abc{]} & In range (a, b or c) \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
{[}\textasciicircum{}abc{]} & Not in range \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\textbackslash{}s & White space \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
a? & Zero or one of a \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
a* & Zero or more of a \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
a*? & Zero or more, ungreedy \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
a+ & One or more of a \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
a+? & One or more, ungreedy \tn 
% Row Count 13 (+ 1)
% Row 13
\SetRowColor{white}
a\{3\} & Exactly 3 of a \tn 
% Row Count 14 (+ 1)
% Row 14
\SetRowColor{LightBackground}
a\{3,\} & 3 or more of a \tn 
% Row Count 15 (+ 1)
% Row 15
\SetRowColor{white}
a\{,6\} & Up to 6 of a \tn 
% Row Count 16 (+ 1)
% Row 16
\SetRowColor{LightBackground}
a\{3,6\} & 3 to 6 of a \tn 
% Row Count 17 (+ 1)
% Row 17
\SetRowColor{white}
a\{3,6\}? & 3 to 6 of a, ungreedy \tn 
% Row Count 18 (+ 1)
% Row 18
\SetRowColor{LightBackground}
\textbackslash{} & Escape character \tn 
% Row Count 19 (+ 1)
% Row 19
\SetRowColor{white}
{[}:punct:{]} & Any punctuation symbol \tn 
% Row Count 20 (+ 1)
% Row 20
\SetRowColor{LightBackground}
{[}:space:{]} & Any space character \tn 
% Row Count 21 (+ 1)
% Row 21
\SetRowColor{white}
{[}:blank:{]} & Space or tab \tn 
% Row Count 22 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{There's an excellent regular expression tester at: http://regexpal.com/}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.84609 cm} x{4.13091 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Pattern Modifiers}}  \tn
% Row 0
\SetRowColor{LightBackground}
g & Global match \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
i~* & Case-insensitive \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
m~* & Multiple lines \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
s~* & Treat string as single line \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
x~* & Allow comments and whitespace in pattern \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
e~* & Evaluate replacement \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
U~* & Ungreedy pattern \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{* PCRE modifier}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{PHP fopen() Modes}}  \tn
% Row 0
\SetRowColor{LightBackground}
r & Read \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
r+ & Read and write, prepend \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
w & Write, truncate \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
w+ & Read and write, truncate \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
a & Write, append \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
a+ & Read and write, append \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{PHP Date Formatting}}  \tn
% Row 0
\SetRowColor{LightBackground}
Y & 4 digit year (2008) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
y & 2 digit year (08) \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
F & Long month (January) \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
M & Short month (Jan) \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
m & Month $^{\textrm{4}}$ (01 to 12) \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
n & Month (1 to 12) \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
D & Short day name (Mon) \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
l & Long day name (Monday) (lowercase L) \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
d & Day $^{\textrm{4}}$ (01 to 31) \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
j & Day (1 to 31) \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 10 (+ 0)
% Row 11
\SetRowColor{white}
h & 12 Hour $^{\textrm{4}}$ (01 to 12) \tn 
% Row Count 11 (+ 1)
% Row 12
\SetRowColor{LightBackground}
g & 12 Hour (1 to 12) \tn 
% Row Count 12 (+ 1)
% Row 13
\SetRowColor{white}
H & 24 Hour $^{\textrm{4}}$ (00 to 23) \tn 
% Row Count 13 (+ 1)
% Row 14
\SetRowColor{LightBackground}
G & 24 Hour (0 to 23) \tn 
% Row Count 14 (+ 1)
% Row 15
\SetRowColor{white}
i & Minutes $^{\textrm{4}}$ (00 to 59) \tn 
% Row Count 15 (+ 1)
% Row 16
\SetRowColor{LightBackground}
s & Seconds $^{\textrm{4}}$ (00 to 59) \tn 
% Row Count 16 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 16 (+ 0)
% Row 18
\SetRowColor{LightBackground}
w & Day of week $^{\textrm{1}}$ (0 to 6) \tn 
% Row Count 17 (+ 1)
% Row 19
\SetRowColor{white}
z & Day of year (0 to 365) \tn 
% Row Count 18 (+ 1)
% Row 20
\SetRowColor{LightBackground}
W & Week of year $^{\textrm{2}}$ (1 to 53) \tn 
% Row Count 19 (+ 1)
% Row 21
\SetRowColor{white}
t & Days in month (28 to 31) \tn 
% Row Count 20 (+ 1)
% Row 22
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 20 (+ 0)
% Row 23
\SetRowColor{white}
a & am or pm \tn 
% Row Count 21 (+ 1)
% Row 24
\SetRowColor{LightBackground}
A & AM or PM \tn 
% Row Count 22 (+ 1)
% Row 25
\SetRowColor{white}
B & Swatch Internet Time (000 to 999) \tn 
% Row Count 23 (+ 1)
% Row 26
\SetRowColor{LightBackground}
S & Ordinal Suffix (st, nd, rd, th) \tn 
% Row Count 24 (+ 1)
% Row 27
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 24 (+ 0)
% Row 28
\SetRowColor{LightBackground}
T & Timezone of machine (GMT) \tn 
% Row Count 25 (+ 1)
% Row 29
\SetRowColor{white}
Z & Timezone offset (seconds) \tn 
% Row Count 26 (+ 1)
% Row 30
\SetRowColor{LightBackground}
O & GMT offset (hours) (+0200) \tn 
% Row Count 27 (+ 1)
% Row 31
\SetRowColor{white}
I & Daylight saving (1 or 0) \tn 
% Row Count 28 (+ 1)
% Row 32
\SetRowColor{LightBackground}
L & Leap year (1 or 0) \tn 
% Row Count 29 (+ 1)
% Row 33
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 29 (+ 0)
% Row 34
\SetRowColor{LightBackground}
U & Seconds since Epoch $^{\textrm{3}}$ \tn 
% Row Count 30 (+ 1)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{PHP Date Formatting (cont)}}  \tn
% Row 35
\SetRowColor{LightBackground}
c & ISO 8601 (PHP 5) \seqsplit{(2008-07-31T18:30:13+01:00)} \tn 
% Row Count 2 (+ 2)
% Row 36
\SetRowColor{white}
r & RFC 2822 (Thu, 31 Jul 2008 18:30:13 +0100) \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{$^{\textrm{1}}$ 0 is Sunday, 6 is Saturday. \newline $^{\textrm{2}}$ Week that overlaps two years belongs to year that contains most days of that  week. Hence week number for 1st January of a given year can be 53 if week belongs to previous year. date("W", mktime(0, 0, 0, 12, 8, \$year)) always gives correct number of weeks in \$year. \newline $^{\textrm{3}}$ The Epoch is the 1st January 1970. \newline $^{\textrm{4}}$ With leading zeroes}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}