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by Smoren
01:49
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Util::normalizeIndex()   A

↳ Parent: Util

Complexity

Conditions 5
Paths 6

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 4
c 1
b 0
f 0
dl 0
loc 7
rs 9.6111
cc 5
nc 6
nop 3
1 
<?php
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namespace Smoren\ArrayView;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Smoren\ArrayView\Exceptions\IndexError;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Util

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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{

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function normalizeIndex(int $index, int $containerLength, bool $throwError = true): int

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $dist = $index >= 0 ? $index : abs($index) - 1;

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($throwError && $dist >= $containerLength) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            throw new IndexError("Index {$index} is out of range.");

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $index < 0 ? $containerLength + $index : $index;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public static function isArraySequential(array $source): bool

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (!function_exists('array_is_list')) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            return array_keys($source) === range(0, count($source) - 1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return array_is_list($source);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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