117 lines
3.4 KiB
PHP
117 lines
3.4 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\ParameterValues;
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use PHPCompatibility\AbstractFunctionCallParameterSniff;
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use PHP_CodeSniffer_File as File;
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/**
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* In PHP 5.2 and lower, the `$initial` parameter for `array_reduce()` had to be an integer.
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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.other.php#migration53.other
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* @link https://www.php.net/manual/en/function.array-reduce.php#refsect1-function.array-reduce-changelog
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*
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* @since 9.0.0
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*/
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class NewArrayReduceInitialTypeSniff extends AbstractFunctionCallParameterSniff
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{
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/**
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* Functions to check for.
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*
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* @since 9.0.0
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*
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* @var array
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*/
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protected $targetFunctions = array(
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'array_reduce' => true,
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);
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/**
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* Tokens which, for the purposes of this sniff, indicate that there is
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* a variable element to the value passed.
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*
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* @since 9.0.0
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*
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* @var array
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*/
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private $variableValueTokens = array(
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\T_VARIABLE,
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\T_STRING,
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\T_SELF,
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\T_PARENT,
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\T_STATIC,
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\T_DOUBLE_QUOTED_STRING,
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);
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/**
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* Do a version check to determine if this sniff needs to run at all.
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*
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* @since 9.0.0
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*
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* @return bool
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*/
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protected function bowOutEarly()
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{
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return ($this->supportsBelow('5.2') === false);
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}
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/**
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* Process the parameters of a matched function.
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*
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* @since 9.0.0
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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 stack.
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* @param string $functionName The token content (function name) which was matched.
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* @param array $parameters Array with information about the parameters.
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*
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* @return int|void Integer stack pointer to skip forward or void to continue
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* normal file processing.
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*/
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public function processParameters(File $phpcsFile, $stackPtr, $functionName, $parameters)
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{
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if (isset($parameters[3]) === false) {
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return;
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}
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$targetParam = $parameters[3];
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if ($this->isNumber($phpcsFile, $targetParam['start'], $targetParam['end'], true) !== false) {
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return;
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}
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if ($this->isNumericCalculation($phpcsFile, $targetParam['start'], $targetParam['end']) === true) {
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return;
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}
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$error = 'Passing a non-integer as the value for $initial to array_reduce() is not supported in PHP 5.2 or lower.';
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if ($phpcsFile->findNext($this->variableValueTokens, $targetParam['start'], ($targetParam['end'] + 1)) === false) {
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$phpcsFile->addError(
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$error . ' Found %s',
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$targetParam['start'],
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'InvalidTypeFound',
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array($targetParam['raw'])
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);
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} else {
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$phpcsFile->addWarning(
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$error . ' Variable value found. Found %s',
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$targetParam['start'],
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'VariableFound',
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array($targetParam['raw'])
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);
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}
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}
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}
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