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02:08
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Reduction::of()   A

↳ Parent: Reduction

Complexity

Conditions 3
Paths 1

Size

Total Lines 9
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 3

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 3
eloc 7
c 1
b 0
f 0
nc 1
nop 0
dl 0
loc 9
ccs 7
cts 7
cp 1
crap 3
rs 10
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace loophp\fpt;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Closure;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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// phpcs:disable Generic.Files.LineLength.TooLong

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @psalm-immutable

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class Reduction

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @psalm-pure

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function of(): Closure

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        return static fn (callable ...$callables): Closure => static fn ($init = null): Closure => static function (iterable ...$iterables) use ($callables, $init) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            foreach ($iterables as $iterable) {

            


            
                                                                        
                            
            
                                    
            
            

                
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                foreach ($iterable as $key => $item) {

            


            
                                                                        
                            
            
                                    
            
            

                
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                    yield $key => ($init = array_reduce(

            


            
                                                                        
                            
            
                                    
            
            

                
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                        $callables,

            


            
                                                                        
                            
            
                                    
            
            

                
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                        static fn ($init, callable $callback) => $callback($init, $item, $key, $iterable),

            


            
                                                                        
                            
            
                                    
            
            

                
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                        $init

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                    ));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        };

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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