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Branch — master (a9ed3d)
by Daniel
23:14 queued 31s
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altlongest()   A

↳ Parent: Project

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 3
nc 1
nop 2
dl 0
loc 5
rs 10
c 0
b 0
f 0
1 
<?php
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/*
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Take 2 strings s1 and s2 including only letters from ato z. Return a new sorted string, the longest possible, containing distinct letters,
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    each taken only once - coming from s1 or s2.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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Examples:

            


            
                                                                                                            
                            
            
                                    
            
            

                
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a = "xyaabbbccccdefww"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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b = "xxxxyyyyabklmopq"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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longest(a, b) -> "abcdefklmopqwxy"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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a = "abcdefghijklmnopqrstuvwxyz"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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longest(a, a) -> "abcdefghijklmnopqrstuvwxyz"

            


            
                                                                                                            
                            
            
                                    
            
            

                
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*/

            


            
                                                                                                            
                            
            
                                    
            
            

                
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function longest($stringone, $stringtwo)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    $combinedString = $stringone . $stringtwo;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    $stringonerrayString = str_split($combinedString);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    $uniqueString = array_unique($stringonerrayString);

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

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            Bug
    
    
    
        introduced 
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It seems like $stringonerrayString can also be of type true; however, parameter $array of array_unique() does only seem to accept array, maybe add an additional type check?
                                                                                                                                                                                           (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-type   annotation

                                    

                                        

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    $uniqueString = array_unique(/** @scrutinizer ignore-type */ $stringonerrayString);

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

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    sort($uniqueString);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return implode($uniqueString);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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// Alternate solution

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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function altlongest($stringone, $stringtwo)

            


            
                                                        
            
                                    
            
            

                
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{

            


            
                                                        
            
                                    
            
            

                
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    $chars = array_unique(str_split($stringone . $stringtwo));

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                        

                                        
It seems like str_split($stringone . $stringtwo) can also be of type true; however, parameter $array of array_unique() does only seem to accept array, maybe add an additional type check?
                                                                                                                                                                                           (
                                     Ignorable by Annotation
                                )
                                

                                    
 If this is a false-positive, you can also ignore this issue in your code via the ignore-type   annotation

                                    

                                        

                                            30
                                            
                                                
    $chars = array_unique(/** @scrutinizer ignore-type */ str_split($stringone . $stringtwo));

                                        

                                                                            

                                

                                                                                                                                                                                                                                                                                        

                    
                                                    

                     Loading history...
                

                    


    




                                                                                    


                    		
                

            
                                                        
            
                                    
            
            

                
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    sort($chars);

            


            
                                                        
            
                                    
            
            

                
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    return implode('', $chars);

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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