Introduction to Function in PHP Scripting Language

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Introduction to Function in PHP Scripting Language
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Table of Content

• PHP Scripting Language
• Power of PHP
• Popularity of PHP
• Popular Frameworks
• Syntaxes
• Demo Code
• Functions in PHP
• Functions Sample Code
• Why Choose Us
• Contact Details

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PHP Scripting Language

• PHP stands for Hypertext Pre-processer
• It is a server-side scripting language
• It is a widely-used programming language
• It is an open-source, general-purpose, and
  object-oriented language
• It is used to build dynamic webpages
• PHP source code can be easily embedded into HTML
• This language is particularly for web development

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Power of PHP

• Easily change webpage content
• Accumulate form input
• Transfer and get wafers
• Interact directly to the database
• Perform operations on webserver like create,
  open, delete, etc.
• Do encryption

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Popularity of PHP

• Platforms independent (run on Windows, Linux,
  Unix, Mac OS X, etc.)
• Servers independent (Fit with Apache, IIS, etc.)
• Assist with an extensive range of databases
• Flexible and economical (open-source and secure)
• Has faster turn-around time, increased security,
  and affordability
• Ability to work efficiently on the server-side

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Popular Frameworks

• Laravel
• Symfony
• Zend
• Yii 2
• Phalcon
• CodeIgniter
• CakePHP
• FuelPHP

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Syntaxes

• .php is the extension of all PHP script files
• Web server understands this extension assignation
  of PHP
• All scripts are written in lt?php // PHP code goes
  here ?gt tag
• PHP instructions can be controlled in HTML
• PHP scripts end in
• Single line comment or //
• Multiple line comment / comment /
• PHP is case sensitive
• To define a code block, curly braces are used
• Based on the source code, the result is delivered
  to the browser

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Demo Code

• Script

• Output

• lt!DOCTYPE htmlgt
• lthtmlgt
• ltbodygt
• lth1gtPHP Tutoriallt/h1gt
• lt?php echo This is the first PHP Example" ?gt
• lt/bodygt
• lt/htmlgt

• PHP Tutorial
• This is the first PHP Example

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Functions in PHP

• PHP Built-in Functions-
• PHP has 1000 built-in functions
• addcslashes()
• addslashes()
• bin2hex()
• chop()
• chr()
• Etc.

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Functions in PHP (Cont.)

• PHP User Defined Functions-
• A block of statements that repeats several times
  in a program
• It will not execute repeatedly when a page opens.
• It will execute by a call to the function

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Functions Sample Code

• Simple

• With Argument

• Code-
• lt?phpfunction func()   echo Function
  Here"func()?gt
• Output-
• Function Here

• Code-
• lt?php
• function funcArg(fname)
• echo "fname PHP.ltbrgt"
• funcArg("Hello")
• ?gt
• Output-
• Hello PHP.

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Why Choose Us

• We provide the best PHP assignment help in the
  USA
• We have experienced PHP coders who can assist you
  to solve your assignments.
• We provide 247 online assistance.
• We have a safe payment method
• We provide 100 customer satisfaction in our work

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Contact Details

• Phone Number
• 14235002312
• Email ID
• info_at_dreamassignment.com
• Website
• https//www.dreamassignment.com/php-assignment-hel
  p