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by Camilo
02:08
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DebugTools::convertBinaryToString()   A

↳ Parent: DebugTools

Complexity

Conditions 3
Paths 4

Size

Total Lines 13
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 12

Importance

Changes 0
Metric Value
dl 0
loc 13
ccs 0
cts 8
cp 0
rs 9.4285
c 0
b 0
f 0
cc 3
eloc 7
nc 4
nop 2
crap 12
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace unreal4u\MQTT;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class DebugTools

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Handy debugging function

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $rawString

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public static function convertToBinaryRepresentation(string $rawString): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $out = null;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $strLength = \strlen($rawString);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        for ($a = 0; $a < $strLength; $a++) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $dec = \ord($rawString[$a]); //determine symbol ASCII-code

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $bin = sprintf('%08d', base_convert($dec, 10, 2)); //convert to binary representation and add leading zeros

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $out .= $bin;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $out;

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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The expression return $out could return the type null which is incompatible with the type-hinted return string. Consider adding an additional type-check to rule them out.
                                                                                                                                                                                                        

                    
                                                    

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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Handy debugging function

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param string $binaryRepresentation

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param bool $applyBase64

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return string

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function convertBinaryToString(string $binaryRepresentation, bool $applyBase64 = false): string

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $output = '';

            


            
                                                                        
                            
            
                                    
            
            

                
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        $binaryStringLength = \strlen($binaryRepresentation);

            


            
                                                                        
                            
            
                                    
            
            

                
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        for ($i = 0; $i < $binaryStringLength; $i += 8) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $output .= \chr(base_convert(substr($binaryRepresentation, $i, 8), 2, 10));

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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base_convert(substr($bin...ntation, $i, 8), 2, 10) of type string is incompatible with the type integer expected by parameter $ascii of chr().
                                                                                                                                                                                           (
                                     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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            $output .= \chr(/** @scrutinizer ignore-type */ base_convert(substr($binaryRepresentation, $i, 8), 2, 10));

                                        

                                                                            

                                

                                                                                                                                                                                                                                    

                    
                                                    

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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($applyBase64 === true) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            return base64_encode($output);

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $output;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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