基础代码
This commit is contained in:
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<?php
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/**
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* PHPCompatibility, an external standard for PHP_CodeSniffer.
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*
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* @package PHPCompatibility
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* @copyright 2012-2019 PHPCompatibility Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCompatibility/PHPCompatibility
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*/
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namespace PHPCompatibility\Sniffs\MethodUse;
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use PHPCompatibility\Sniff;
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use PHP_CodeSniffer_File as File;
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use PHP_CodeSniffer_Tokens as Tokens;
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/**
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* As of PHP 5.3, the `__toString()` magic method can no longer be passed arguments.
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*
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* Sister-sniff to `PHPCompatibility.FunctionDeclarations.ForbiddenToStringParameters`.
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*
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* PHP version 5.3
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*
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* @link https://www.php.net/manual/en/migration53.incompatible.php
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* @link https://www.php.net/manual/en/language.oop5.magic.php#object.tostring
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*
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* @since 9.2.0
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*/
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class ForbiddenToStringParametersSniff extends Sniff
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{
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/**
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* Returns an array of tokens this test wants to listen for.
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*
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* @since 9.2.0
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*
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* @return array
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*/
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public function register()
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{
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return array(
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\T_DOUBLE_COLON,
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\T_OBJECT_OPERATOR,
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);
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}
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/**
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* Processes this test, when one of its tokens is encountered.
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*
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* @since 9.2.0
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*
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $stackPtr The position of the current token
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* in the stack passed in $tokens.
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*
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* @return void
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*/
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public function process(File $phpcsFile, $stackPtr)
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{
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if ($this->supportsAbove('5.3') === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$nextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true);
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if ($nextNonEmpty === false || $tokens[$nextNonEmpty]['code'] !== \T_STRING) {
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/*
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* Not a method call.
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*
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* Note: This disregards method calls with the method name in a variable, like:
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* $method = '__toString';
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* $obj->$method();
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* However, that would be very hard to examine reliably anyway.
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*/
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return;
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}
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if (strtolower($tokens[$nextNonEmpty]['content']) !== '__tostring') {
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// Not a call to the __toString() method.
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return;
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}
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$openParens = $phpcsFile->findNext(Tokens::$emptyTokens, ($nextNonEmpty + 1), null, true);
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if ($openParens === false || $tokens[$openParens]['code'] !== \T_OPEN_PARENTHESIS) {
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// Not a method call.
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return;
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}
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$closeParens = $phpcsFile->findNext(Tokens::$emptyTokens, ($openParens + 1), null, true);
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if ($closeParens === false || $tokens[$closeParens]['code'] === \T_CLOSE_PARENTHESIS) {
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// Not a method call.
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return;
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}
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// If we're still here, then this is a call to the __toString() magic method passing parameters.
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$phpcsFile->addError(
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'The __toString() magic method will no longer accept passed arguments since PHP 5.3',
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$stackPtr,
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'Passed'
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);
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}
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}
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+117
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<?php
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/**
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* PHPCompatibility, an external standard for PHP_CodeSniffer.
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*
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* @package PHPCompatibility
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* @copyright 2012-2019 PHPCompatibility Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCompatibility/PHPCompatibility
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*/
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namespace PHPCompatibility\Sniffs\MethodUse;
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use PHPCompatibility\Sniff;
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use PHP_CodeSniffer_File as File;
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use PHP_CodeSniffer_Tokens as Tokens;
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/**
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* Detect direct calls to the `__clone()` magic method, which is allowed since PHP 7.0.
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*
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* "Doing calls like `$obj->__clone()` is now allowed. This was the only magic method
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* that had a compile-time check preventing some calls to it, which doesn't make sense.
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* If we allow all other magic methods to be called, there's no reason to forbid this one."
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*
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* PHP version 7.0
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*
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* @link https://wiki.php.net/rfc/abstract_syntax_tree#directly_calling_clone_is_allowed
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* @link https://www.php.net/manual/en/language.oop5.cloning.php
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*
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* @since 9.1.0
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*/
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class NewDirectCallsToCloneSniff extends Sniff
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{
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/**
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* Tokens which indicate class internal use.
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*
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* @since 9.3.2
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*
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* @var array
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*/
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protected $classInternal = array(
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\T_PARENT => true,
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\T_SELF => true,
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\T_STATIC => true,
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);
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/**
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* Returns an array of tokens this test wants to listen for.
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*
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* @since 9.1.0
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*
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* @return array
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*/
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public function register()
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{
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return array(
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\T_DOUBLE_COLON,
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\T_OBJECT_OPERATOR,
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);
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}
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/**
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* Processes this test, when one of its tokens is encountered.
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*
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* @since 9.1.0
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*
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $stackPtr The position of the current token in
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* the stack passed in $tokens.
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*
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* @return void
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*/
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public function process(File $phpcsFile, $stackPtr)
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{
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if ($this->supportsBelow('5.6') === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$nextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true);
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if ($nextNonEmpty === false || $tokens[$nextNonEmpty]['code'] !== \T_STRING) {
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/*
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* Not a method call.
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*
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* Note: This disregards method calls with the method name in a variable, like:
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* $method = '__clone';
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* $obj->$method();
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* However, that would be very hard to examine reliably anyway.
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*/
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return;
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}
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if (strtolower($tokens[$nextNonEmpty]['content']) !== '__clone') {
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// Not a call to the __clone() method.
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return;
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}
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$nextNextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, ($nextNonEmpty + 1), null, true);
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if ($nextNextNonEmpty === false || $tokens[$nextNextNonEmpty]['code'] !== \T_OPEN_PARENTHESIS) {
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// Not a method call.
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return;
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}
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$prevNonEmpty = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($stackPtr - 1), null, true);
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if ($prevNonEmpty === false || isset($this->classInternal[$tokens[$prevNonEmpty]['code']])) {
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// Class internal call to __clone().
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return;
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}
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$phpcsFile->addError(
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'Direct calls to the __clone() magic method are not allowed in PHP 5.6 or earlier.',
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$nextNonEmpty,
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'Found'
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);
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}
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}
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