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UUID::v4()   A
last analyzed

↳ Parent: UUID

Complexity

Conditions 1
Paths 1

Size

Total Lines 9
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 1

Importance

Changes 2
Bugs 0 Features 0
Metric Value
eloc 6
c 2
b 0
f 0
dl 0
loc 9
ccs 7
cts 7
cp 1
rs 10
cc 1
nc 1
nop 0
crap 1
1 
<?php
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namespace Vectorface\UUID;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class UUID

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Generate a random universally unique identifier; a UUIDv4

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return string A UUID, This should look something like c2b134ae-04a4-4e82-89e0-51cbe9639dfb

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public static function v4()

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $uuidStr = random_bytes(16); // 128 bits

            


            
                                                                        
                            
            
                                    
            
            

                
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        $uuidStr[6] = chr(0x40 | (ord($uuidStr[6]) & 0x0f)); // Set the high nibble of the 7th byte to 4

            


            
                                                                        
                            
            
                                    
            
            

                
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        $uuidStr[8] = chr(0x80 | (ord($uuidStr[8]) & 0x3f)); // Set highest two bits of the 9th byte to 0b10

            


            
                                                                        
                            
            
                                    
            
            

                
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        return sprintf(

            


            
                                                                        
                            
            
                                    
            
            

                
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            "%s%s-%s-%s-%s-%s%s%s",

            


            
                                                                        
                            
            
                                    
            
            

                
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            ...str_split(bin2hex($uuidStr), 4)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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