Sebastian Molenda
73 lines
2.4 KiB
PHP
73 lines
2.4 KiB
PHP
<?php
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/**
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* Requirements check for PHP_CodeSniffer.
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*
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* :WARNING:
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* This file MUST stay cross-version compatible with older PHP versions (min: PHP 5.3) to allow
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* for the requirements check to work correctly.
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*
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* The PHP 5.3 minimum is set as the previous PHPCS major (3.x) already had a PHP 5.4 minimum
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* requirement and didn't take parse errors caused due to the use of namespaces into account
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* in its requirements check, so running PHPCS 3.x on PHP < 5.3 would have failed with a parse
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* error already anyway, so PHP 5.3 seems reasonable to keep as the minimum for this.
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* :WARNING:
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*
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @author Juliette Reinders Folmer <phpcs_nospam@adviesenzo.nl>
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* @copyright 2006-2023 Squiz Pty Ltd (ABN 77 084 670 600)
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* @copyright 2023 PHPCSStandards and contributors
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* @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
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*/
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namespace PHP_CodeSniffer;
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/**
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* Exits if the minimum requirements of PHP_CodeSniffer are not met.
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*
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* @return void
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*/
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function checkRequirements()
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{
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// IMPORTANT: Must stay in sync with the value of the `PHP_CodeSniffer\Util\ExitCode::REQUIREMENTS_NOT_MET` constant!
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$exitCode = 64;
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// Check the PHP version.
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if (PHP_VERSION_ID < 70200) {
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$error = 'ERROR: PHP_CodeSniffer requires PHP version 7.2.0 or greater.' . PHP_EOL;
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fwrite(STDERR, $error);
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exit($exitCode);
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}
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$requiredExtensions = array(
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'tokenizer',
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'xmlwriter',
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'SimpleXML',
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);
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$missingExtensions = array();
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foreach ($requiredExtensions as $extension) {
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if (extension_loaded($extension) === false) {
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$missingExtensions[] = $extension;
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}
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}
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if (empty($missingExtensions) === false) {
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$last = array_pop($requiredExtensions);
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$required = implode(', ', $requiredExtensions);
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$required .= ' and ' . $last;
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if (count($missingExtensions) === 1) {
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$missing = $missingExtensions[0];
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} else {
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$last = array_pop($missingExtensions);
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$missing = implode(', ', $missingExtensions);
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$missing .= ' and ' . $last;
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}
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$error = 'ERROR: PHP_CodeSniffer requires the %s extensions to be enabled. Please enable %s.' . PHP_EOL;
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fwrite(STDERR, sprintf($error, $required, $missing));
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exit($exitCode);
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}
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}
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