All Operators Of PHP

 

All PHP Operators

 An expression is the basic building block of the language.
Anything with a value can be thought of as an expression. Examples include:

5
5+5
$a
$a==5
sqrt(9)
By combining many of these basic expressions, you can build larger, more complex expressions.

Note that the echo statement we've used in numerous examples cannot be part of a complex expression because it does not have a return value. The print statement, on the other hand, can be used as part of complex expression -- it does have a return value. In all other respects, echo and print are identical: they output data.




Expressions are combined and manipulated using operators. The following table lists the operators from highest to lowest precedence; the second column (A) shows the operators' associativity. These operators should be familiar to you if you have any C, Java, or Perl experience.

Operators	A
!, ~, ++, --, @, (the casting operators)	Right
*, /, %	Left
+, -, .	Left
<<, >>	Left
<, <=, >=, >	Nonassociative
==, !=, ===, !==	Nonassociative
&	Left
^	Left
|	Left
&&	Left
||	Left
? : (conditional operator)	Left
=, +=, -=, *=, /=, %=, ^=, .=, &=, |=, <<=, >>=	Left
AND	Left
XOR	Left
OR	Left

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Variables in PHP

Variables are used for storing a values, like text strings, numbers or arrays.
When a variable is set it can be used over and over again in your script
All variables in PHP start with a $ sign symbol.
The correct way of setting a variable in PHP:



<?php
$txp = "test";
$no = 18;
?>

PHP here are  three different variable scopes:

    local
    global
    static

Variable Naming Rules

• A variable name must start with a letter or an underscore "_"
• A variable name can only contain alpha-numeric characters and underscores (a-Z, 0-9, and _ )
• A variable name should not contain spaces. If a variable name is more than one word, it should be separated with underscore ($my_string), or with capitalization ($myString)

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PHP Array Introduction

Function Description PHP

 Testing Array and sizeof( )
<?php
$fixture = Array( );
// $fixture is expected to be empty.

$fixture[] = "element";
// $fixture is expected to contain one element.
?>


A really simple way to check whether we are getting the results we expect is to print the result of sizeof( ) before and after adding the element

array() Creates an array 
array_change_key_case() Returns an array with all keys in lowercase or uppercase
array_chunk() Splits an array into chunks of arrays 
array_combine() Creates an array by using one array for keys and another for its values 
array_count_values() Returns an array with the number of occurrences for each value
array_diff() Compares array values, and returns the differences
array_diff_assoc() Compares array keys and values, and returns the differences 
array_diff_key() Compares array keys, and returns the differences 
array_diff_uassoc() Compares array keys and values, with an additional user-made function check, and returns the differences 
array_diff_ukey() Compares array keys, with an additional user-made function check, and returns the differences 
array_fill() Fills an array with values 
array_filter() Filters elements of an array using a user-made function 
array_flip() Exchanges all keys with their associated values in an array 
array_intersect() Compares array values, and returns the matches 
array_intersect_assoc() Compares array keys and values, and returns the matches 
array_intersect_key() Compares array keys, and returns the matches 
array_intersect_uassoc() Compares array keys and values, with an additional user-made function check, and returns the matches 
array_intersect_ukey() Compares array keys, with an additional user-made function check, and returns the matches 
array_key_exists() Checks if the specified key exists in the array 
array_keys() Returns all the keys of an array 
array_map() Sends each value of an array to a user-made function, which returns new values 4
array_merge() Merges one or more arrays into one array 
array_merge_recursive() Merges one or more arrays into one array 
array_multisort() Sorts multiple or multi-dimensional arrays 
array_pad() Inserts a specified number of items, with a specified value, to an array 
array_pop() Deletes the last element of an array 
array_product() Calculates the product of the values in an array 
array_push() Inserts one or more elements to the end of an array 
array_rand() Returns one or more random keys from an array 
array_reduce() Returns an array as a string, using a user-defined function 
array_reverse() Returns an array in the reverse order 
array_search() Searches an array for a given value and returns the key 
array_shift() Removes the first element from an array, and returns the value of the removed element 
array_slice() Returns selected parts of an array 
array_splice() Removes and replaces specified elements of an array 
array_sum() Returns the sum of the values in an array 
array_udiff() Compares array values in a user-made function and returns an array 
array_udiff_assoc() Compares array keys, and compares array values in a user-made function, and returns an array 
array_udiff_uassoc() Compares array keys and array values in user-made functions, and returns an array 
array_uintersect() Compares array values in a user-made function and returns an array 
array_uintersect_assoc() Compares array keys, and compares array values in a user-made function, and returns an array 
array_uintersect_uassoc() Compares array keys and array values in user-made functions, and returns an array 
array_unique() Removes duplicate values from an array 
array_unshift() Adds one or more elements to the beginning of an array 
array_values() Returns all the values of an array 
array_walk() Applies a user function to every member of an array 
array_walk_recursive() Applies a user function recursively to every member of an array 
arsort() Sorts an array in reverse order and maintain index association 
asort() Sorts an array and maintain index association 
compact() Create array containing variables and their values
count() Counts elements in an array, or properties in an object 
current() Returns the current element in an array 
each() Returns the current key and value pair from an array 
end() Sets the internal pointer of an array to its last element 
extract() Imports variables into the current symbol table from an array 
in_array() Checks if a specified value exists in an array
key() Fetches a key from an array
krsort() Sorts an array by key in reverse order
ksort() Sorts an array by key 
list() Assigns variables as if they were an array 
natcasesort() Sorts an array using a case insensitive "natural order" algorithm 

natsort() Sorts an array using a "natural order" algorithm 
next() Advance the internal array pointer of an array 
pos() Alias of current() 

prev() Rewinds the internal array pointer 

range() Creates an array containing a range of elements 
reset() Sets the internal pointer of an array to its first element
rsort() Sorts an array in reverse order
shuffle() Shuffles an array 
sizeof() Alias of count()
sort() Sorts an array 
uasort() Sorts an array with a user-defined function and maintain index association
uksort() Sorts an array by keys using a user-defined function
usort() Sorts an array by values using a user-defined function 

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The most important players for Web multimedia

important players for Web multimedia

Real Networks RealPlayer:RealPlayer is a plug-in for
real-time playback of audio and video files that works
 pretty darn well. The user of a RealAudioenhanced
Web site typically clicks a link to get an audio or a video clip.
Areasonably brief pause ensues while an initial part of the
 file downloads,and then sound or a video clip starts playing.
The file isstreamedin realtime, meaning that no big file is stored
 on the user’s hard disk.





Windows Media Player:Microsoft is trying to take back
the multimedia player lead from Real with its own, similar
 offering. Windows MediaPlayer supports most of the
 same formats as RealPlayer and comes bundled with
 just about every PC. However, RealPlayer is now
 moving ahead with deals with Apple for QuickTime
 interoperability, so Windows Media Player may
 still be playing catch-up for awhile.

Apple QuickTime:QuickTime is Apple’s multimedia
technology that hasbecome the industry standard for
 video editing and high-quality video playback on computers.
 QuickTime VR is an offshoot of QuickTime that
creates high-resolution virtual reality panoramas and objects.
 MostQuickTime content is not streamed; users have
 to wait until some or the entire file downloads before
 it will play back. Although this reduces immediacy,
it allows improved quality and greater flexibility for the user.

Macromedia ShockWave/Flash:The ShockWave plug-in
 allows presentations and experiences created in Macromedia
Director to be played back over the Web. Figuring out
Director is no mean feat, but luckily you don’tneed to understand
 Director in order to use the powerful ShockWave
tool, which delivers multimedia experiences over the Web.
Flash is asimple format for delivering animations in your
Web page and is rapidly
becoming popular.

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Article Marketing On Internet - online

Article Marketing Tips Online Internet

Article writing is an efficient marketing tool
 for your business if done properly. It’s
another great way to establish a powerful
online presence. However, it’s extremely
important that you write a good piece of
 content for your article to promote your
business.

In the past, article directories used to get a high
volume of web traffic and were considered highly
reputable websites by the search engines. This ensured substantial
free traffic through submitted articles on these websites.



The recent changes in Google algorithms has negatively
 affected the article directories as many have been marked
 as content farms with no real value. However, this doesn’t
reduce the value of informative and well written content.
 There are still many article directories that have a lot
of authority and many online marketers make a full-time living
just writing articles for these directories.

SEO marketing tips
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You should avoid submitting your articles to low-ranking
 article directories and concentrate on sites like Zimbio.com,
 EzineArticles.com, GoArticles.comand Squidoo.com.
Before submitting your article to multiple high-ranking article directories,
you should rewrite your article and try to make it 30% to 50% unique. 

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How to growing traffic of a website

Growing traffic of a website-Tips

If you want to stay on top of the search results you have
 to stay focused on generating compelling content.
 Adding content on your website and getting backlinks to various
pages is important. Here is a list of what needs to be done in order to ensure
continuously growing traffic:
• Keep adding articles/ content on your site
• Write articles on other blogs
• Comment on related sites and blogs
• Post videos on sites like YouTube and link them to your site
• Share your content on social networking sites so that more people from your
community know about it
• Generate discussions and activity on your site
Remember, content is not just the text you add but also what your visitors add to your
site as well. You may have noticed that on several blogs/ sites, visitors' comments also
appear in search results.


If the content you are presenting is interesting, chances are that you will have returning
traffic which might bring along their entire social community to your site. This increases
traffic related to your niche.
Attract targeted traffic to your site
does website traffic help seo
Seoo Traffic Sources
Traffic to Your Site
Additional SEO tips-increase traffic
Use Email Newsletters for traffic 
Off-Page SEO Strategies 
seo marketing - strategies-tips

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seo tips for blogs

 Seo Articles Targeted Clients
Element 5 ways to help seo Best seo Tips And Tricks Content Will Still Reign as King seo strategies Web Position seo Content seo and HTML Description Tags on Your Website HTML-language of the web web development Semantic Markup for seo Time consuming process in seo Robots.txt Optimization Link Building Guide Keywords in URLs and File Names Four Money-Making seo Tips


Optimize Your Site for Speed 
Search Ranking Algorithm-Social sharing data
Security issue for sitemap SEO?
What SEO tools do you use?
Black Hat SEO?
Business With SEO 

Plan out your SEO strategies
Bing Webmaster-seo-tools
SEO Success Factors
20 best websites to create free blogs
seo marketing news
Seo Fuel
Advanced Techniques for SEO
enabled SEO in Opencart
Site Indexation Tool
internet marketing tips 
Seo friends
Best Marketing SEO
Root Domains, Subdomains, and Microsites
Seo algorithm
Free SEO Analysis Tools

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Hosting-top 50 free web hosting site With thousands

top 50 free web hosting site

Google Cloud Computing and Hosting
Making Money by Hosting Advertising
Free Hosting 
shared hosting, dedicated servers and vps hosting if you are looking for cheap vps hosting, hostforweb is your best choice, offering fully managed vps, cpanel vps hosting and linux vps hosting. 
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With thousands of web hosting services from companies available today, the choice of a web hosting service to signed contract with, can be a difficult experience. It is not as easy as going to a store and buy something. For 

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