\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{Lilava}
\pdfinfo{
/Title (mix-php-1.pdf)
/Creator (Cheatography)
/Author (Lilava)
/Subject (Mix PHP 1 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}{A3379C}
\definecolor{LightBackground}{HTML}{F9F2F8}
\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{Mix PHP 1 Cheat Sheet}}}} \\
\normalsize{by \textcolor{DarkBackground}{Lilava} via \textcolor{DarkBackground}{\uline{cheatography.com/64138/cs/16320/}}}
\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}Lilava \\
\uline{cheatography.com/lilava} \\
\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 12th July, 2018.\\
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}{Stream Context}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following is true about stream contexts? (Choose 2) \newline % Row Count 2 (+ 2)
A. A context can modify or enhance the behavior of a stream \newline % Row Count 4 (+ 2)
B. A context indicates what session the stream is part of \newline % Row Count 6 (+ 2)
C. A context is a set of parameters and stream wrapper specific options \newline % Row Count 8 (+ 2)
D. Contexts are created with new Stream\_Context();% Row Count 10 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A, C} \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}{stream}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following will set a 10 seconds read timeout for a stream? \newline % Row Count 2 (+ 2)
A. \seqsplit{ini\_set("default\_socket\_timeout"}, 10); \newline % Row Count 4 (+ 2)
B. \seqsplit{stream\_read\_timeout(\$stream}, 10); \newline % Row Count 5 (+ 1)
C. Specify the timeout as the 5th parameter to the fsockopen() function used to open a stream \newline % Row Count 7 (+ 2)
D. \seqsplit{stream\_set\_timeout(\$stream}, 10); \newline % Row Count 8 (+ 1)
E. None of the above% Row Count 9 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: D} \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}{PUT method}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{When uploading a file to a PHP script using the HTTP PUT method, where would the file \newline % Row Count 2 (+ 2)
data be found? \newline % Row Count 3 (+ 1)
A. the \$\_FILES super-global \newline % Row Count 4 (+ 1)
B. the input stream php://input \newline % Row Count 5 (+ 1)
C. the \$\_POST super-global \newline % Row Count 6 (+ 1)
D. the global variable scope% Row Count 7 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: B} \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}{Methods}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{What is the name of the method that can be used to provide read access to virtual properties in a class? \newline % Row Count 3 (+ 3)
A. \_\_call() \newline % Row Count 4 (+ 1)
B. \_\_get() \newline % Row Count 5 (+ 1)
C. \_\_set() \newline % Row Count 6 (+ 1)
D. \_\_wakeup() \newline % Row Count 7 (+ 1)
E. \_\_fetch()% Row Count 8 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{B - method \_\_get()} \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}{Methods}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following tasks can be achieved by using magic methods? (Choose 3) \newline % Row Count 2 (+ 2)
A. Initializing or uninitializing object data \newline % Row Count 4 (+ 2)
B. Creating a new stream wrapper \newline % Row Count 5 (+ 1)
C. Creating an iterable object \newline % Row Count 6 (+ 1)
D. Processing access to undefined methods or properties \newline % Row Count 8 (+ 2)
E. Overloading operators like +, *, etc. \newline % Row Count 9 (+ 1)
F. Converting objects to string representation% Row Count 10 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer : A,D,F} \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}{Methods}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following methods are available to limit the amount of resources available to \newline % Row Count 2 (+ 2)
PHP through php.ini? (Choose 2) \newline % Row Count 3 (+ 1)
A. Limit the amount of memory a script can consume \newline % Row Count 5 (+ 2)
B. Limit the total amount of memory PHP uses on the entire server \newline % Row Count 7 (+ 2)
C. Limit the maximum execution time of a script \newline % Row Count 8 (+ 1)
D. Limit the maximum number of concurrent PHP processes \newline % Row Count 10 (+ 2)
E. Limit the maximum number of concurrent PHP threads% Row Count 12 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A, C} \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}{Methods}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which methods can be used to overload object properties? (Choose 2) \newline % Row Count 2 (+ 2)
A. set(), get() \newline % Row Count 3 (+ 1)
B. \_\_set(), \_\_get() \newline % Row Count 4 (+ 1)
C. \_\_put(), \_\_receive(), \_\_exists() \newline % Row Count 5 (+ 1)
D. set(), get(), isset() \newline % Row Count 6 (+ 1)
E. \_\_isset(), \_\_unset()% Row Count 7 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer : B,E} \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}{key}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{What is the name of the key in \$\_FILES{[}'name'{]} that contains the number of bytes of the uploaded file?% Row Count 3 (+ 3)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: size} \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}{uploads}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Your application uses PHP to accept and process file uploads. It fails to upload a file that is \newline % Row Count 2 (+ 2)
5 MB in size, although upload\_max\_filesize is set to "10M". Which of the following configurations could be responsible for this outcome? (Choose 2) \newline % Row Count 6 (+ 4)
A. The PHP configuration option post\_max\_size is set to a value that is too small \newline % Row Count 8 (+ 2)
B. The web server is using an incorrect encoding as part of the HTTP response sent to the client \newline % Row Count 10 (+ 2)
C. The browser uses an incorrect encoding as part of the HTTP request sent to the server \newline % Row Count 12 (+ 2)
D. The hidden form field MAX\_FILE\_SIZE was set to a value that is too small \newline % Row Count 14 (+ 2)
E. PHP cannot process file uploads larger than 4 MB% Row Count 16 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A, D} \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}{object storage}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{In order to create an object storage where each object would be stored only once, you may use which of the following? (choose 2) \newline % Row Count 3 (+ 3)
A. SplFixedArray \newline % Row Count 4 (+ 1)
B. SplObjectStorage \newline % Row Count 5 (+ 1)
C. SplString \newline % Row Count 6 (+ 1)
D . spl\_object\_hash \newline % Row Count 7 (+ 1)
E. spl\_same\_object% Row Count 8 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: B, D} \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}{Joins}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which technique should be used to speed up joins without changing their results? \newline % Row Count 2 (+ 2)
A. Add indices on joined columns \newline % Row Count 3 (+ 1)
B. Add a WHERE clause \newline % Row Count 4 (+ 1)
C. Add a LIMIT clause \newline % Row Count 5 (+ 1)
D. Use an inner join% Row Count 6 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A} \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}{content-type}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{What content-type is required when sending an HTTP POST using JavaScript to ensure that PHP can access the data? \newline % Row Count 3 (+ 3)
A. \seqsplit{application/x-www-form-urlencoded} \newline % Row Count 5 (+ 2)
B. http/post \newline % Row Count 6 (+ 1)
C. text/html \newline % Row Count 7 (+ 1)
D. \seqsplit{object/multipart-formdata}% Row Count 8 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer : A} \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}{indetifiers}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following are valid identifiers? \newline % Row Count 1 (+ 1)
A. function 4You()\{\} \newline % Row Count 2 (+ 1)
B. function \_4You()\{\} \newline % Row Count 3 (+ 1)
C. function object()\{\} \newline % Row Count 4 (+ 1)
D. \$1 = "Hello"; \newline % Row Count 5 (+ 1)
E. \$\_1 = "Hello World";% Row Count 6 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer : B, C , E} \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}{traits}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following is NOT true about PHP traits? (Choose 2) \newline % Row Count 2 (+ 2)
A. Multiple traits can be used by a single class. \newline % Row Count 3 (+ 1)
B. A trait can implement an interface. \newline % Row Count 4 (+ 1)
C. A trait can declare a private variable. \newline % Row Count 5 (+ 1)
D. Traits are able to be auto-loaded. \newline % Row Count 6 (+ 1)
E. Traits automatically resolve conflicts based on definition order.% Row Count 8 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: B, E} \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}{expressions}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following expressions will evaluate to a random value from an array below? \newline % Row Count 2 (+ 2)
\$array = array("Sue","Mary","John","Anna"); \newline % Row Count 4 (+ 2)
A. array\_rand(\$array); \newline % Row Count 5 (+ 1)
B. array\_rand(\$array, 1); \newline % Row Count 6 (+ 1)
C. shuffle(\$array); \newline % Row Count 7 (+ 1)
D. \$array{[}array\_rand(\$array){]}; \newline % Row Count 8 (+ 1)
E. array\_values(\$array, ARRAY\_RANDOM);% Row Count 9 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: D} \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}{exceptions}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{What exception type will catch the error raised by the expression 2 / 0? \newline % Row Count 2 (+ 2)
A. LogicException \newline % Row Count 3 (+ 1)
B. RangeException \newline % Row Count 4 (+ 1)
C. DivisionByZeroError \newline % Row Count 5 (+ 1)
D. ArithmeticError% Row Count 6 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: C} \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}{exceptions}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following statements about exceptions is correct? (Choose 2) \newline % Row Count 2 (+ 2)
A. you can only throw classes derived from Exception \newline % Row Count 4 (+ 2)
B. a try block can have multiple catch blocks \newline % Row Count 5 (+ 1)
C. a try block must not be followed by a catch block \newline % Row Count 7 (+ 2)
D. try blocks cannot contain nested try blocks% Row Count 8 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A, B} \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}{exceptions}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following statements about exceptions is correct? (Choose 2) \newline % Row Count 2 (+ 2)
A. you can only throw classes derived from Exception \newline % Row Count 4 (+ 2)
B. a try block can have multiple catch blocks \newline % Row Count 5 (+ 1)
C. a try block must not be followed by a catch block \newline % Row Count 7 (+ 2)
D. try blocks cannot contain nested try blocks% Row Count 8 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A, B} \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}{Regex}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which sentence describes the following regular expression match? \newline % Row Count 2 (+ 2)
preg\_match('/\textasciicircum{}\textbackslash{}d+(?:\textbackslash{}.{[}0-9{]}+)?\$/', \$test); \newline % Row Count 4 (+ 2)
A. It matches float numbers with thousand seperators. \newline % Row Count 6 (+ 2)
B. It matches float numbers without thousand seperators. \newline % Row Count 8 (+ 2)
C. It matches binary integer numbers. \newline % Row Count 9 (+ 1)
D. It matches any string. \newline % Row Count 10 (+ 1)
E. It does not match anything% Row Count 11 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: B} \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}{Regex}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which parts of the text are matched in the following regular expression? \newline % Row Count 2 (+ 2)
\$text = \textless{}\textless{}\textless{}EOT \newline % Row Count 3 (+ 1)
The big bang bonged under the bung. \newline % Row Count 4 (+ 1)
EOT; \newline % Row Count 5 (+ 1)
\seqsplit{preg\_match\_all('@b.n?g@'}, \$text, \$matches); \newline % Row Count 7 (+ 2)
A. bang bong bung \newline % Row Count 8 (+ 1)
B. bang bonged bung \newline % Row Count 9 (+ 1)
C. big bang bong bung \newline % Row Count 10 (+ 1)
D. big bang bung% Row Count 11 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: C} \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}{Regex}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{How many elements does the \$matches array contain after the following function call is performed? preg\_match('/\textasciicircum{}(\textbackslash{}d\{1,2\}({[}a-z{]}+))(?:\textbackslash{}s*)\textbackslash{}S+ (?=201{[}0-9{]})/', '21st March 2014', \$matches); \newline % Row Count 5 (+ 5)
A. 1 \newline % Row Count 6 (+ 1)
B. 2 \newline % Row Count 7 (+ 1)
C. 3 \newline % Row Count 8 (+ 1)
D. 4% Row Count 9 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: C} \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}{Headers}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Under what condition may HTTP headers be set from PHP if there content echoed prior to the header function being used? \newline % Row Count 3 (+ 3)
A. headers\_sent() returns true \newline % Row Count 4 (+ 1)
B. Output buffering is enabled \newline % Row Count 5 (+ 1)
C. The client supports local buffering \newline % Row Count 6 (+ 1)
D. The webserver uses preemptive mode% Row Count 7 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: B} \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}{Headers}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Before the headers are sent, how can you remove a previously set header? \newline % Row Count 2 (+ 2)
A. Use the header\_remove() function, providing the name of the header \newline % Row Count 4 (+ 2)
B. Use the die() function to abort the PHP script \newline % Row Count 5 (+ 1)
C. Not possible \newline % Row Count 6 (+ 1)
D. Use the headers\_list() function, providing the name of the header as the second argument% Row Count 8 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A} \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}{Headers}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{From your PHP application, how can you send the same header twice, but with different values? \newline % Row Count 2 (+ 2)
A. Set the second argument of the header() function to false \newline % Row Count 4 (+ 2)
B. PHP does that automatically \newline % Row Count 5 (+ 1)
C. You may only send a particular type of header once \newline % Row Count 7 (+ 2)
D. Use the header\_add() function% Row Count 8 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A} \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}{type hinting}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Type hinting in PHP allows the identification of the following variable types : (choose 2) \newline % Row Count 2 (+ 2)
A. String \newline % Row Count 3 (+ 1)
B. Integer \newline % Row Count 4 (+ 1)
C. Array \newline % Row Count 5 (+ 1)
D. Any class or interface type \newline % Row Count 6 (+ 1)
E. All of the above% Row Count 7 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer : C, D} \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}{type hinting}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following statements is NOT correct? \newline % Row Count 1 (+ 1)
A. Only methods can have type hints \newline % Row Count 2 (+ 1)
B. Typehints can be optional \newline % Row Count 3 (+ 1)
C. Typehints can be references% Row Count 4 (+ 1)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: A} \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}{reflection}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following is NOT possible using reflection? \newline % Row Count 2 (+ 2)
A. Analysing of nearly any aspect of classes and interfaces \newline % Row Count 4 (+ 2)
B. Analysing of nearly any aspect of functions \newline % Row Count 5 (+ 1)
C. Adding class methods \newline % Row Count 6 (+ 1)
D. Implement dynamic construction (new with a variable class name)% Row Count 8 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer: C} \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}{reflection}} \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Which of the following statements about reflection is correct? \newline % Row Count 2 (+ 2)
A. Reflection is an extension that can be disabled \newline % Row Count 4 (+ 2)
B. Reflection is a new extension present only in PHP7.0+ \newline % Row Count 6 (+ 2)
C. Reflection only allows to reflect on built-in classes \newline % Row Count 8 (+ 2)
D. Built-in classes can be reflected on command line using php -{}-rc \<classname\textgreater{}% Row Count 10 (+ 2)
} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Answer : D} \tn
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}
% That's all folks
\end{multicols*}
\end{document}