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by Josh
02:05
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PromoteSingleStrings::promoteSingleStrings()   A

↳ Parent: PromoteSingleStrings

Complexity

Conditions 4
Paths 3

Size

Total Lines 17
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 4

Importance

Changes 0
Metric Value
dl 0
loc 17
ccs 7
cts 7
cp 1
rs 9.2
c 0
b 0
f 0
cc 4
eloc 8
nc 3
nop 1
crap 4
1 
<?php
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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* @package   s9e\RegexpBuilder

            


            
                                                                                                            
                            
            
                                    
            
            

                
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* @copyright Copyright (c) 2016 The s9e Authors

            


            
                                                                                                            
                            
            
                                    
            
            

                
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* @license   http://www.opensource.org/licenses/mit-license.php The MIT License

            


            
                                                                                                            
                            
            
                                    
            
            

                
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*/

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace s9e\RegexpBuilder\Passes;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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* Replaces alternations that only contain one string to allow other passes to replace

            


            
                                                                                                            
                            
            
                                    
            
            

                
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* (?:a0?x|bx) with (?:a0?|b)x

            


            
                                                                                                            
                            
            
                                    
            
            

                
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*/

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class PromoteSingleStrings extends AbstractPass

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	* {@inheritdoc}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	*/

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	protected function runPass(array $strings)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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		return array_map([$this, 'promoteSingleStrings'], $strings);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	* Promote single strings found inside given string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	*

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	* @param  array $string Original string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	* @return array         Modified string

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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	*/

            


            
                                                        
            
                                    
            
            

                
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	protected function promoteSingleStrings(array $string)

            


            
                                                        
            
                                    
            
            

                
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	{

            


            
                                                        
            
                                    
            
            

                
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		$newString = [];

            


            
                                                        
            
                                    
            
            

                
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		foreach ($string as $element)

            


            
                                                        
            
                                    
            
            

                
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		{

            


            
                                                        
            
                                    
            
            

                
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			if (is_array($element) && count($element) === 1)

            


            
                                                        
            
                                    
            
            

                
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			{

            


            
                                                        
            
                                    
            
            

                
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				$newString = array_merge($newString, $element[0]);

            


            
                                                        
            
                                    
            
            

                
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			}

            


            
                                                        
            
                                    
            
            

                
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			else

            


            
                                                        
            
                                    
            
            

                
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			{

            


            
                                                        
            
                                    
            
            

                
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				$newString[] = $element;

            


            
                                                        
            
                                    
            
            

                
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			}

            


            
                                                        
            
                                    
            
            

                
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		}

            


            
                                                        
            
                                    
            
            

                
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		return $newString;

            


            
                                                        
            
                                    
            
            

                
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	}

            


            
                                                        
            
                                    
            
            

                
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}