\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{mkpeacock} \pdfinfo{ /Title (php-fundamentals.pdf) /Creator (Cheatography) /Author (mkpeacock) /Subject (PHP Fundamentals 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}{17629C} \definecolor{LightBackground}{HTML}{F0F5F8} \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 Fundamentals Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{mkpeacock} via \textcolor{DarkBackground}{\uline{cheatography.com/1456/cs/489/}}} \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}mkpeacock \\ \uline{cheatography.com/mkpeacock} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 25th July, 2012.\\ Updated 13th May, 2016.\\ 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{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Basic Syntax}} \tn % Row 0 \SetRowColor{LightBackground} Files start with & \textless{}?php \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Single line comment & // a comment \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} Multi-line comment & /{\emph{ comment }}/ \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} End of instruction & ; \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} Include code from another file & \seqsplit{require\_once('some\_file}.php'); \tn % Row Count 6 (+ 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}{Classes and Objects}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{class SomeClass \{ \newline % Row Count 1 (+ 1) ~~~~private \$property; \newline % Row Count 2 (+ 1) ~~~~public \$anotherProperty; \newline % Row Count 3 (+ 1) ~~~~protected \$yetAnotherProperty = null; \newline % Row Count 5 (+ 2) ~~~~public function \seqsplit{\_\_construct(\$arg=null)} \newline % Row Count 7 (+ 2) \{ \newline % Row Count 8 (+ 1) ~~~~\$this-\textgreater{}property = \$arg; \newline % Row Count 9 (+ 1) \} \newline % Row Count 10 (+ 1) public function someMethod() \newline % Row Count 11 (+ 1) \{ \newline % Row Count 12 (+ 1) ~~~~echo "Hi"; \newline % Row Count 13 (+ 1) \} \newline % Row Count 14 (+ 1) public function getProperty() \newline % Row Count 15 (+ 1) \{ \newline % Row Count 16 (+ 1) ~~~~return \$this-\textgreater{}property; \newline % Row Count 17 (+ 1) \} \newline % Row Count 18 (+ 1) public function setProperty( \$p ) \newline % Row Count 19 (+ 1) \{ \newline % Row Count 20 (+ 1) ~~~~\$this-\textgreater{}property = \$p; \newline % Row Count 21 (+ 1) \} \newline % Row Count 22 (+ 1) \} \newline % Row Count 23 (+ 1) \$myObject = new SomeClass( "123" ); \newline % Row Count 24 (+ 1) echo \$myObject-\textgreater{}getProperty(); // 123 \newline % Row Count 25 (+ 1) \$myObject-\textgreater{}property; // ERROR:private% Row Count 26 (+ 1) } \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}{Variables}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\$variableName;} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{\$variableName = "Some String";} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\$variableName = 'Some String';} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{\$variableName = strtoupper('text');} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{\$variableName = 5;} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{\$variable = "Some \{\$otherVariable\} info";} \tn % Row Count 6 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{echo \$variableName; // output} \tn % Row Count 7 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{\$newVar = \$var1 . \$var2; // concatenation} \tn % Row Count 8 (+ 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}{Functions}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{function multiply(\$arg1, \$arg2) \newline % Row Count 1 (+ 1) \{ \newline % Row Count 2 (+ 1) ~~~~return \$arg * \$arg2; \newline % Row Count 3 (+ 1) \} \newline % Row Count 4 (+ 1) \$param = 4; \newline % Row Count 5 (+ 1) \$param2 = 8; \newline % Row Count 6 (+ 1) \$answer = multiply(\$param, \$param2);% Row Count 7 (+ 1) } \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}{Control Structure: IF}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{// if something is true do something else \newline % Row Count 1 (+ 1) if( \$something == true ) \{ \newline % Row Count 2 (+ 1) ~~~~doSomethingElse(); \newline % Row Count 3 (+ 1) \} elseif( \$something == false ) \{ \newline % Row Count 4 (+ 1) ~~~~// however, if something is false, do something \newline % Row Count 6 (+ 2) ~~~~doSomething(); \newline % Row Count 7 (+ 1) \} else \{ \newline % Row Count 8 (+ 1) ~~~~// otherwise, lets do nothing \newline % Row Count 10 (+ 2) ~~~~doNothing(); \newline % Row Count 11 (+ 1) \}% Row Count 12 (+ 1) } \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}{Control Structure: Loops}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{foreach( \$myArray as \$key =\textgreater{} \$value ) \{ \newline % Row Count 1 (+ 1) ~~~~echo "My array has the value \{\$value\} stored against the key \{\$key\}\textless{}br /\textgreater{}"; \newline % Row Count 4 (+ 3) \} \newline % Row Count 5 (+ 1) while( someCondition == true ) \{ \newline % Row Count 6 (+ 1) ~~~~echo 'hello'; \newline % Row Count 7 (+ 1) \}% Row Count 8 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Numerical Operations}} \tn % Row 0 \SetRowColor{LightBackground} Addition & \$variable = \$variable + 5; \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Subtraction & \$variable = \$variable - 5; \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \seqsplit{Multiplication} & \$variable = \$variable * 5; \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} Division & \$variable = \$variable / 5; \tn % Row Count 4 (+ 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} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Control Structure: Switch}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{switch( \$someVariable ) \{ \newline % Row Count 1 (+ 1) ~~~~case 1: \newline % Row Count 2 (+ 1) ~~~~~~~~echo "Some variable equals 1"; \newline % Row Count 4 (+ 2) ~~~~~~~~break; \newline % Row Count 6 (+ 2) ~~~~case "cheese" \newline % Row Count 7 (+ 1) ~~~~~~~~echo "Some variable equals cheese"; \newline % Row Count 9 (+ 2) ~~~~~~~~break; \newline % Row Count 11 (+ 2) ~~~~default: \newline % Row Count 12 (+ 1) ~~~~~~~~echo "No idea"; \newline % Row Count 14 (+ 2) ~~~~~~~~break; \newline % Row Count 16 (+ 2) \}% Row Count 17 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}