Code Duplication    Length = 3-3 lines in 3 locations

PHPCompatibility/Sniff.php 3 locations

@@ 997-999 (lines=3) @@
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        $tokens = $phpcsFile->getTokens();
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        // Check for the existence of the token.
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        if ($stackPtr === false || isset($tokens[$stackPtr]) === false) {
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            return false;
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        }
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        if ($tokens[$stackPtr]['code'] !== T_NAMESPACE) {
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            return false;
@@ 1154-1156 (lines=3) @@
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    {
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        $tokens = $phpcsFile->getTokens();
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        if (isset($tokens[$stackPtr]) === false || $tokens[$stackPtr]['code'] !== T_VARIABLE) {
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            return false;
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        }
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        // Note: interfaces can not declare properties.
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        $validScopes = array(
@@ 1188-1190 (lines=3) @@
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    {
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        $tokens = $phpcsFile->getTokens();
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        if (isset($tokens[$stackPtr]) === false || $tokens[$stackPtr]['code'] !== T_CONST) {
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            return false;
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        }
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        // Note: traits can not declare constants.
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        $validScopes = array(