M1 Flashcards
PHP was developed by
Rasmus Lerdorf
PHP 1.0 year:
1994/1995
purpose of developing PHP
to know how many visitors were reading his online resume based on PERL/CGI script
PHP =
Personal Home Page
PHP 2.0 year:
1997
PHP is based on _______ rather than _______
C, PERL
Personal Home Page / _______ _________
Form Interpreter
PHP 3.0 year:
1998
________ users were using PHP to enhance their web pages (PHP 3.0)
50,000
When did developers joined Lerdorf?
PHP 3.0 - 1998
PHP 4.0 year:
1999
May 22, 2000
Two core developers:
Zeev Suraski
Andi Gutmans
PHP makes the most popular scripting language with more than one million user base by _______.
(what version?)
Netcraff
PHP 4.0, 1999
PHP version wherein hundreds of of functions were being added
PHP 4.0, 1999
recursive acronym of PHP
Hypertext Preprocessor
how many domain PHP installed
3.6 million
PHP 5.0 year:
July 13, 2004
which version Vastly improved object-oriented capabilities: OOP improvement
PHP 5.0
which version included try/catch exception handling
PHP 5.0
Improved _____ and _______ support
XML, Web Services
PHP 5.0 installed on how many domains
19 million
______ percent on all ______ module
54, Apache
PHP 6.0 year:
2007
T/F PHP 6.0 was then officially released.
False
Native Unicode support for multilingual applications
Unicode Support
improvements in PHP 6.0
Security improvements
New language features and constructs
PHP Key categories:
Practicality
Power
Possibility
Price
Key category:
PHP is a loosely type language (no explicitly create, typecast, or destroy a variable)
Practicality
Key category:
More libraries and thousands of functions
Power
Key category:
Native support is offered for more than 25 database products
Both structured and Object Oriented approach
Possibility
Key category:
Free of charge
Price
OS: Linux
ubuntu
debian
linux mandrake
suse
fedora
centOS
kubuntu
OS: Windows
windows xp
windows me
windows server 2008
windows 7
windows 8
windows 2000
OS: Mac
cheetah
puma
jaguar
leopard
snow leopard
lion
tiger
panther
Internet browsers:
google chrome
mozilla firefoz
internet explorer
opera
safari
maxthon
rockmelt
seamonkey
deepnet explorer
avant browser
Web servers:
apache
iis7 (internet information services)
nginx
google web server (gws)
Server side scripting language:
java
ruby
active server pages
python
perl cgi
Database:
ibm db2
mysql
sql server
sqlite
postgresql
oracle
Code editor:
aptana
eclipse
bluefish
dreamweaver
netbeans
notepad++
Other requirements:
html
css
ajax
javascript
jquery
All PHP scripts must be enclosed with:
<?php … ?> (standard tag)
<? … ?> (short open tag)
<script language=“php”>
….
</script> (script tag)
<% … %> (asp style tag)
a language construct
that use to output one or more
string
echo
is a function also use for
outputting strings
single line comment - PERL style
#
multi line comment
/*
…
…
*/
used as a container for values that can be used and manipulate PHP scripts
variables
Variables in PHP must begin with
$
Allowed first character of a variable:
“_” or letter
T/F Variables in PHP is not explicitly declared
True
T/F Variables are not case sensitive
False
Strings inside the _______ are interpreted as literal strings
’ … ‘
Strings inside the _______ are interpreted as literal strings with some exceptions
” … “
To concatenate string values use the ____
.
%b
(int) binary
%c
(int) character - ASCII
%d
(int) signed decimal
%f
(float) floating-point
%o
(int) octal
%s
(str) string
%u
(int) unsigned decimal
%x
(int) lowercase hexadecimal
%X
(int) uppercase hexadecimal
the generic name assigned to any data sharing a common set of characteristics.
datatypes
Capable of containing a single item of information
(Boolean, Integer, Float (float, double or real numbers), String)
scalar datatypes
allow for multiple items of the same type to be aggregated under a single representative entity.
(Array and Objects)
compound datatypes
function that returns the type of the variable. Possible return values are integer, double, boolean, string, array, object, resource, unknown types.
gettype()
function that converts a given variable to a specific type.
settype()
