Current file: C:\dev\php\bovigo\vfs\trunk\src\main\php\org\bovigo\vfs\vfsStreamContainerIterator.php
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       1                 : <?php                                                                                            
       2                 : /**                                                                                              
       3                 :  * Iterator for children of a directory container.                                               
       4                 :  *                                                                                               
       5                 :  * @package  bovigo_vfs                                                                          
       6                 :  * @version  $Id: vfsStreamContainerIterator.php 132 2009-07-13 19:13:25Z google@frankkleine.de $
       7                 :  */                                                                                              
       8                 : /**                                                                                              
       9                 :  * Iterator for children of a directory container.                                               
      10                 :  *                                                                                               
      11                 :  * @package  bovigo_vfs                                                                          
      12                 :  */                                                                                              
      13                 : class vfsStreamContainerIterator implements Iterator                                             
      14                 : {                                                                                                
      15                 :     /**                                                                                          
      16                 :      * list of children from container to iterate over                                           
      17                 :      *                                                                                           
      18                 :      * @var  array<vfsStreamContent>                                                             
      19                 :      */                                                                                          
      20                 :     protected $children = array();                                                               
      21                 :                                                                                                  
      22                 :     /**                                                                                          
      23                 :      * constructor                                                                               
      24                 :      *                                                                                           
      25                 :      * @param  array<vfsStreamContent>  $children                                                
      26                 :      */                                                                                          
      27                 :     public function __construct(array $children)                                                 
      28                 :     {                                                                                            
      29               6 :         $this->children = $children;                                                             
      30               6 :         reset($this->children);                                                                  
      31               6 :     }                                                                                            
      32                 :                                                                                                  
      33                 :     /**                                                                                          
      34                 :      * resets children pointer                                                                   
      35                 :      */                                                                                          
      36                 :     public function rewind()                                                                     
      37                 :     {                                                                                            
      38               4 :         reset($this->children);                                                                  
      39               4 :     }                                                                                            
      40                 :                                                                                                  
      41                 :     /**                                                                                          
      42                 :      * returns the current child                                                                 
      43                 :      *                                                                                           
      44                 :      * @return  vfsStreamContent                                                                 
      45                 :      */                                                                                          
      46                 :     public function current()                                                                    
      47                 :     {                                                                                            
      48               6 :         $child = current($this->children);                                                       
      49               6 :         if (false === $child) {                                                                  
      50               5 :             return null;                                                                         
      51                 :         }                                                                                        
      52                 :                                                                                                  
      53               6 :         return $child;                                                                           
      54                 :     }                                                                                            
      55                 :                                                                                                  
      56                 :     /**                                                                                          
      57                 :      * returns the name of the current child                                                     
      58                 :      *                                                                                           
      59                 :      * @return  string                                                                           
      60                 :      */                                                                                          
      61                 :     public function key()                                                                        
      62                 :     {                                                                                            
      63               1 :         $child = current($this->children);                                                       
      64               1 :         if (false === $child) {                                                                  
      65               1 :             return null;                                                                         
      66                 :         }                                                                                        
      67                 :                                                                                                  
      68               1 :         return $child->getName();                                                                
      69                 :     }                                                                                            
      70                 :                                                                                                  
      71                 :     /**                                                                                          
      72                 :      * iterates to next child                                                                    
      73                 :      */                                                                                          
      74                 :     public function next()                                                                       
      75                 :     {                                                                                            
      76               6 :         next($this->children);                                                                   
      77               6 :     }                                                                                            
      78                 :                                                                                                  
      79                 :     /**                                                                                          
      80                 :      * checks if the current value is valid                                                      
      81                 :      *                                                                                           
      82                 :      * @return  bool                                                                             
      83                 :      */                                                                                          
      84                 :     public function valid()                                                                      
      85                 :     {                                                                                            
      86               1 :         return (false !== current($this->children));                                             
      87                 :     }                                                                                            
      88                 : }                                                                                                

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