102 lines
3.1 KiB
PHP
102 lines
3.1 KiB
PHP
<?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\InitialValue;
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use PHPCompatibility\Sniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Detect declaration of constants using `define()` with a (constant) array value
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* as supported since PHP 7.0.
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*
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* PHP version 7.0
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*
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* @link https://www.php.net/manual/en/migration70.new-features.php#migration70.new-features.define-array
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* @link https://www.php.net/manual/en/language.constants.syntax.php
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*
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* @since 7.0.0
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* @since 9.0.0 Renamed from `ConstantArraysUsingDefineSniff` to `NewConstantArraysUsingDefineSniff`.
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*/
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class NewConstantArraysUsingDefineSniff 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 7.0.0
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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(\T_STRING);
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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 7.0.0
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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 the
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* 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') !== true) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$ignore = array(
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\T_DOUBLE_COLON => true,
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\T_OBJECT_OPERATOR => true,
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\T_FUNCTION => true,
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\T_CONST => true,
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);
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$prevToken = $phpcsFile->findPrevious(\T_WHITESPACE, ($stackPtr - 1), null, true);
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if (isset($ignore[$tokens[$prevToken]['code']]) === true) {
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// Not a call to a PHP function.
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return;
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}
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$functionLc = strtolower($tokens[$stackPtr]['content']);
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if ($functionLc !== 'define') {
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return;
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}
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$secondParam = $this->getFunctionCallParameter($phpcsFile, $stackPtr, 2);
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if (isset($secondParam['start'], $secondParam['end']) === false) {
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return;
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}
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$targetNestingLevel = 0;
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if (isset($tokens[$secondParam['start']]['nested_parenthesis'])) {
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$targetNestingLevel = \count($tokens[$secondParam['start']]['nested_parenthesis']);
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}
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$array = $phpcsFile->findNext(array(\T_ARRAY, \T_OPEN_SHORT_ARRAY), $secondParam['start'], ($secondParam['end'] + 1));
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if ($array !== false) {
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if ((isset($tokens[$array]['nested_parenthesis']) === false && $targetNestingLevel === 0) || \count($tokens[$array]['nested_parenthesis']) === $targetNestingLevel) {
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$phpcsFile->addError(
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'Constant arrays using define are not allowed in PHP 5.6 or earlier',
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$array,
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'Found'
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);
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}
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}
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}
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}
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