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AopPostfixClassName::__construct()   A

↳ Parent: AopPostfixClassName

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 3
c 1
b 0
f 0
nc 1
nop 3
dl 0
loc 5
rs 10
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Ray\Aop;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ReflectionClass;

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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This use statement conflicts with another class in this namespace, Ray\Aop\ReflectionClass. Consider defining an alias.
                                                                                                

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Let?s assume that you have a directory layout like this:


.
|-- OtherDir
|   |-- Bar.php
|   `-- Foo.php
`-- SomeDir
    `-- Foo.php





and let?s assume the following content of Bar.php:


// Bar.php
namespace OtherDir;

use SomeDir\Foo; // This now conflicts the class OtherDir\Foo





If both files OtherDir/Foo.php and SomeDir/Foo.php are loaded in the
same runtime, you will see a PHP error such as the following:


PHP Fatal error:  Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php





However, as OtherDir/Foo.php does not necessarily have to be loaded and the
error is only triggered if it is loaded before OtherDir/Bar.php, this problem
might go unnoticed for a while. In order to prevent this error from surfacing,
you must import the namespace with a different alias:


// Bar.php
namespace OtherDir;

use SomeDir\Foo as SomeDirFoo; // There is no conflict anymore.





                        

                                                    

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use function crc32;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use function filemtime;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class AopPostfixClassName

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @var string  */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public $fqn;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @var string  */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public $postFix;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @param class-string $class */

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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The doc comment class-string at position 0 could not be parsed: Unknown type name 'class-string' at position 0 in class-string.
                                                                                                                                                                                                        

                    
                                                    

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    public function __construct(string $class, string $bindings, string $classDir)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $fileTime = (string) filemtime((string) (new ReflectionClass($class))->getFileName());

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->postFix = '_' . crc32($fileTime . $bindings . $classDir);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->fqn = $class . $this->postFix;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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