From:             klaussantana at gmail dot com
Operating system: Any
PHP version:      Irrelevant
Package:          Unknown/Other Function
Bug Type:         Feature/Change Request
Bug description:Scalar Casting

Description:
------------
It would be nice if we can control the casting behavior of any type to
another.

Like a function like this:

register_casting_behavior( $from, $to, $callback_function );

So when you do this:
register_casting_behavior( 'int', 'bool', 'int2bool' );
$X = (bool) 1;

It will call int2bool( 1 ) and so...

Then....

Test script:
---------------
register_casting_behavior( 'string', 'object', array( 'String',
'__construct' ) );

class String
{
   protected $value = null;
   
   public function __construct( $String )
   {
      $this->value = $String;
      
      return $this;
   }
   
   public function toLower()
   {
      return strtolower($this->value);
   }
   
   public function underline()
   {
      return "<span style='text-decoration:
underline;'>{$this->value}</span>";
   }
}

$S = 'My String';

echo $S->toLower()->underline();

// will output: <span style='text-decoration: underline;'>my string</span>


-- 
Edit bug report at https://bugs.php.net/bug.php?id=63268&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=63268&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=63268&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=63268&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=63268&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=63268&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=63268&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=63268&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=63268&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=63268&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=63268&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=63268&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=63268&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=63268&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=63268&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=63268&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=63268&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=63268&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=63268&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=63268&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=63268&r=mysqlcfg

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