[Resolvido] MVC em PHP - part 006, Library Request

[hinom 5]

006 - Library Request

 

app\lib\Request.php

<?php
/** Request URL Parameters Class
 *
 *   company: Foo Bar corp.
 *   autor: mr. foo
 *   email: info@foo.bar
 *   website: foo.bar
 *   updated: 2004-03-25 04:03:12 - mr. foo
 *
 *   Methods
        Extract
*/

class Request
{

    public  $method     = false;
    public  $parameter  = false;
    private $mthd;

    function Extract( )
    {

        if( isset( $_SERVER['REQUEST_METHOD'] ) )
        {

            if( $this->method != 'FILES' )
            {
                $this->mthd = strtoupper( $_SERVER['REQUEST_METHOD'] );
    
                if( $this->method and strtoupper( $this->method ) != $this->mthd )
                {
                    return false;
                }
                if( !$this->method ){
                $this->method = $this->mthd;
                }
            }

            $this->mthd = $GLOBALS['_' . $this->method];
            
            if( is_array( $this->mthd ) and count( $this->mthd ) > 0 )
            {

                if( $this->parameter )
                {

                    if( isset( $this->mthd[$this->parameter] ) )
                    {

                        return $this->mthd[$this->parameter];

                    }

                }else{

                    return $this->mthd;

                }

            }

        }

        return false;

    }


}


?>

 

Usage Sample

 

 

Method GET

<?php
// get parameter 'foo' from GET method
// http://foo.bar/?foo=bar

$rq = new Request;
$rq -> method = 'GET';
$rq -> parameter = 'foo';
echo $rq -> Extract(); // display "bar"
?>

 

Method POST

<?php
$rq = new Request;
$rq -> method = 'POST';
$rq -> parameter = 'foo';
echo $rq -> Extract(); // display "foo" when sent by POST method only. 
?>

 

Undefined method (both methods)

<?php
$rq = new Request;
$rq -> parameter = 'foo';
echo $rq -> Extract(); // display foo value for both methods.  
?>

 

Undefined method and parameter

<?php
$rq = new Request;
echo $rq -> Extract(); // return and array, regardless of method. 
?>

 

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