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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * ParameterShadowSuperGlobalsSniffTest  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package PHPCompatibility  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * ParameterShadowSuperGlobalsSniffTest  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @uses    BaseSniffTest  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package PHPCompatibility  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author  Juliette Reinders Folmer <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class ParameterShadowSuperGlobalsSniffTest extends BaseSniffTest  | 
            
                            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const TEST_FILE = 'sniff-examples/parameter_shadow_superglobals.php';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * testParameterShadowSuperGlobals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @group parameterShadowSuperGlobals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @dataProvider dataParameterShadowSuperGlobals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int    $line  Line number where the error should occur.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $octal (Start of) Binary number as a string.  | 
            
                            
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                     * @param bool   $testNoViolation Whether or not to test for noViolation.  | 
            
                            
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                     *               Defaults to true. Set to false if another error is  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *               expected on the same line (invalid binary)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                    public function testParameterShadowSuperGlobal($superglobal, $line)  | 
            
                            
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                        $file = $this->sniffFile(self::TEST_FILE, '5.3');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertNoViolation($file, $line);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $file = $this->sniffFile(self::TEST_FILE, '5.4');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->assertError($file, $line, "Parameter shadowing super global ({$superglobal}) causes fatal error since PHP 5.4"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * dataParameterShadowSuperGlobals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @see testParameterShadowSuperGlobals()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function dataParameterShadowSuperGlobals() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$GLOBALS', 4), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_SERVER', 5), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_GET', 6), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_POST', 7), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_FILES', 8), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_COOKIE', 9), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_SESSION', 10), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_REQUEST', 11), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_ENV', 12), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$globals', 15), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('$_post', 16), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * testValidParameter  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @group parameterShadowSuperGlobals  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function testValidParameter() { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $file = $this->sniffFile(self::TEST_FILE);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->assertNoViolation($file , 19);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.