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%\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{Waleed Mohamed}
\pdfinfo{
  /Title (php-object-oriented-programming.pdf)
  /Creator (Cheatography)
  /Author (Waleed Mohamed)
  /Subject (PHP: Object-Oriented Programming Cheat Sheet)
}

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% Header and Footer
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{PHP: Object-Oriented Programming Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Waleed Mohamed} via \textcolor{DarkBackground}{\uline{cheatography.com/141114/cs/30177/}}}
\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}Waleed Mohamed \\
  \uline{cheatography.com/waleed-mohamed} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 16th December, 2021.\\
   Updated 16th December, 2021.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \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{1.84149 cm} x{3.13551 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Class}}  \tn
% Row 0
\SetRowColor{LightBackground}
Define Class & class class\_name \{ \} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Define property & var \$proberty\_name ; \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Define method & function fun\_name() \{....\} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.23965 cm} x{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Instances}}  \tn
% Row 0
\SetRowColor{LightBackground}
Define Instance & \$Student1 = new student; \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
set value to proberty & \$student1-\textgreater{}firstName = "ex"; \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
calling object function & \$student-\textgreater{}getName(); \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Refer to the instance & \$this-\textgreater{}name; \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.54924 cm} x{2.33427 cm} x{1.69349 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Visibility modifiers}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Public} & accessed from anywhere & var \seqsplit{\$proberty\_name;} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Protected} & accessed only from this class and subclasses & Protected \seqsplit{\$proberty\_name;} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Private} & accessed from inside the class only & Private \seqsplit{\$proberty\_name;} \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.69218 cm} x{3.28482 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Inheritance}}  \tn
% Row 0
\SetRowColor{LightBackground}
Define Subclass & class child extends parent \{\} \tn 
% Row Count 2 (+ 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}{static modifier}}  \tn
% Row 0
\SetRowColor{LightBackground}
Static property & public static \$property\_name ; \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Class constant & public const \seqsplit{CONSTANT\_NAME\_UPPERCASE;} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Calling Static\textbackslash{}constant property from inside the class & \seqsplit{self::\$property\_name;} \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
Calling Static\textbackslash{}constant property from outside the class & \seqsplit{class\_name::\$property\_name;} \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
Inheritance & Static property is shared variable between class and its sub classes , any change in one of them will change the others. \tn 
% Row Count 16 (+ 6)
% Row 5
\SetRowColor{white}
Calling parent class static method & \seqsplit{parent::method\_name();} \tn 
% Row Count 18 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Late static Binding & \seqsplit{static::\$property\_name;} \{\{nl\}\} to allow static property inheritence and don't bind static property to first self use only \tn 
% Row Count 25 (+ 7)
\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}{Magic Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
Magic method & -Magic methods are special methods which override PHP's default's action when certain actions are performed on an object. \{\{nl\}\}-Must be Public.\{\{nl\}\}-use \_\_ before method name. \tn 
% Row Count 7 (+ 7)
% Row 1
\SetRowColor{white}
Constructor method & Method will be called each new instance is created\{\{nl\}\}public function \seqsplit{\_\_construct(\$arg1='Default} value',\$arg2....)\{\{nl\}\}public function \_\_construct(\$args={[}{]})) \tn 
% Row Count 13 (+ 6)
% Row 2
\SetRowColor{LightBackground}
Destructor method & Method will be called when the last refrence to instance is destroyed\{\{nl\}\}public function \_\_destruct()\{\{nl\}\}use {\bf{unset(\$instance)}} method to destroy the instance. \tn 
% Row Count 20 (+ 7)
% Row 3
\SetRowColor{white}
Clone method & Method will be called when you use clone keyword \$ins1 = clone \$ins2;\{\{nl\}\}method will copy all Instance data to another instance\{\{nl\}\}function \_\_clone()\{\} \tn 
% Row Count 26 (+ 6)
% Row 4
\SetRowColor{LightBackground}
auoload method & Method will be called when PHP encounters an unkown class\{\{nl\}\}-Define a function : function my\_autoload()\{\}\{\{nl\}\}-Register autoload in php SPL : \seqsplit{spl\_autoload\_register('my\_autoload')} \tn 
% Row Count 33 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Overloading}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Dynamic Proberties \newline % Row Count 1 (+ 1)
when you get the value of undefined property  - \textgreater{} error notice, \newline % Row Count 3 (+ 2)
But when you set the value of undefined property -\textgreater{} it will define and set \newline % Row Count 5 (+ 2)
Example: \newline % Row Count 6 (+ 1)
Class student \{ \newline % Row Count 7 (+ 1)
\} \newline % Row Count 8 (+ 1)
\$s1 = new student ; \newline % Row Count 9 (+ 1)
echo \$s1-\textgreater{}name;  //error \newline % Row Count 10 (+ 1)
\$s1-\textgreater{}name = waleed   //set dynamic property ; \newline % Row Count 11 (+ 1)
echo \$s1-\textgreater{}name;  //waleed% Row Count 12 (+ 1)
} \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}{Compare objects}}  \tn
% Row 0
\SetRowColor{LightBackground}
== & return true if tow instance : \{\{nl\}\} - have the same refrence\{\{nl\}\}- or have matching proberties \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
=== & return true only if Instances have the the same refrence \tn 
% Row Count 5 (+ 2)
\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}{Functions for Class}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{get\_declared\_classes()} & return array of decleared classes in the file \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{class\_exists(\$string)} & take a string:ClassName and return true if the class is decleared \tn 
% Row Count 5 (+ 3)
\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}{Functions for Instance}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{get\_class(\$object)} & return object class name \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
is\_a(\$object,\$ClassName) & return true if the \$object has the same class name as the \$className \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions for Proberties}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{get\_class\_vars(\$string)} & return list of proberties defined in this class using class name \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{get\_object\_vars(\$object)} & return list of proberties defined in this class using object instance \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{property\_exists(\$mixed},\$string) & return true if the proberty name exist on the (class or object instance) \tn 
% Row Count 11 (+ 4)
% Row 3
\SetRowColor{white}
\seqsplit{get\_class\_methods(\$mixed)} & return list of methods defined in this class using class name \tn 
% Row Count 14 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{method\_exists(\$mixed},\$string) & return true if the method name exist on the (class or object instance) \tn 
% Row Count 18 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions For Inheritance}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{get\_parent\_class(\$mixed)} & return the parent class for (ClassName or object Instance) \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{is\_subclass\_of(\$mixed},\$string) & return true if the (ClassName or object Instance) is child of the given class name \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{class\_parents(\$mixed)} & get all parent classes of this (ClassName or object Instance) \tn 
% Row Count 10 (+ 3)
\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}{function for static binding}}  \tn
% Row 0
\SetRowColor{LightBackground}
get\_class() & return the parent class use this function \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{get\_called\_class()} & return the actual runtime class \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}