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Push — master ( e3acee...71d19a )
by Jeroen De
02:21
created

CallbackComparer::valuesAreEqual()   A

↳ Parent: CallbackComparer

Complexity

Conditions 2
Paths 2

Size

Total Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 9
ccs 5
cts 5
cp 1
rs 9.9666
c 0
b 0
f 0
cc 2
nc 2
nop 2
crap 2
1 
<?php
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declare( strict_types = 1 );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Diff\Comparer;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Adapter around a comparison callback that implements the ValueComparer

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * interface.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @since 0.6

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @license BSD-3-Clause

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @author Jeroen De Dauw < [email protected] >

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class CallbackComparer implements ValueComparer {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	private $callback;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 * @since 0.6

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 * @param callable $callback

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	public function __construct( $callback ) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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		$this->callback = $callback;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	}

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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	public function valuesAreEqual( $firstValue, $secondValue ): bool {

            


            
                                                                        
                            
            
                                    
            
            

                
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		$valuesAreEqual = call_user_func_array( $this->callback, [ $firstValue, $secondValue ] );

            


            
                                                                        
                            
            
                                    
            
            

                
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		if ( !is_bool( $valuesAreEqual ) ) {

            


            
                                                                        
                            
            
                                    
            
            

                
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			throw new \RuntimeException( 'ValueComparer callback needs to return a boolean' );

            


            
                                                                        
                            
            
                                    
            
            

                
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		}

            


            
                                                                        
                            
            
                                    
            
            

                
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		return $valuesAreEqual;

            


            
                                                                        
                            
            
                                    
            
            

                
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	}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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