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CollapseTrait::collapse()   A

↳ Parent: CollapseTrait

Complexity

Conditions 2
Paths 2

Size

Total Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 3
CRAP Score 2.0625

Importance

Changes 0
Metric Value
cc 2
nc 2
nop 0
dl 0
loc 8
ccs 3
cts 4
cp 0.75
crap 2.0625
rs 10
c 0
b 0
f 0
1 
<?php
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/**
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 * @copyright Zicht Online <http://zicht.nl>
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 */
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namespace Zicht\Itertools\lib\Traits;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Zicht\Itertools\conversions;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Zicht\Itertools\lib\CollapseIterator;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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trait CollapseTrait

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Collapse a two dimentional iterator into a one dimentional iterator

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return Itertools\lib\CollapseIterator

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                        
            
                                    
            
            

                
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    public function collapse()

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        if ($this instanceof \Iterator) {

            


            
                                                        
            
                                    
            
            

                
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            return new CollapseIterator($this);

            


            
                                                        
            
                                    
            
            

                
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        }

            


            
                                                        
            
                                    
            
            

                
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        return null;

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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