127 lines
4.9 KiB
PHP
127 lines
4.9 KiB
PHP
<?php
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/**
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* @file
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* Provides Unicode-related conversions and operations.
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*/
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use Drupal\Component\Utility\Unicode;
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/**
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* Returns Unicode library status and errors.
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*/
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/**
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* Moves unicode_requirements() logic to system_requirements().
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*
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* @deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0.
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*
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* @see https://www.drupal.org/node/2884698
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*/
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function unicode_requirements() {
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@trigger_error('unicode_requirements() is deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0. There is no replacement; system_requirements() now includes the logic instead. See https://www.drupal.org/node/2884698', E_USER_DEPRECATED);
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$libraries = [
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Unicode::STATUS_SINGLEBYTE => t('Standard PHP'),
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Unicode::STATUS_MULTIBYTE => t('PHP Mbstring Extension'),
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Unicode::STATUS_ERROR => t('Error'),
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];
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$severities = [
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Unicode::STATUS_SINGLEBYTE => REQUIREMENT_WARNING,
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Unicode::STATUS_MULTIBYTE => NULL,
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Unicode::STATUS_ERROR => REQUIREMENT_ERROR,
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];
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$failed_check = Unicode::check();
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$library = Unicode::getStatus();
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$requirements['unicode'] = [
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'title' => t('Unicode library'),
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'value' => $libraries[$library],
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'severity' => $severities[$library],
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];
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switch ($failed_check) {
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case 'mb_strlen':
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$requirements['unicode']['description'] = t('Operations on Unicode strings are emulated on a best-effort basis. Install the <a href="http://php.net/mbstring">PHP mbstring extension</a> for improved Unicode support.');
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break;
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case 'mbstring.func_overload':
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$requirements['unicode']['description'] = t('Multibyte string function overloading in PHP is active and must be disabled. Check the php.ini <em>mbstring.func_overload</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
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break;
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case 'mbstring.encoding_translation':
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$requirements['unicode']['description'] = t('Multibyte string input conversion in PHP is active and must be disabled. Check the php.ini <em>mbstring.encoding_translation</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
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break;
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case 'mbstring.http_input':
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$requirements['unicode']['description'] = t('Multibyte string input conversion in PHP is active and must be disabled. Check the php.ini <em>mbstring.http_input</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
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break;
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case 'mbstring.http_output':
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$requirements['unicode']['description'] = t('Multibyte string output conversion in PHP is active and must be disabled. Check the php.ini <em>mbstring.http_output</em> setting. Please refer to the <a href="http://php.net/mbstring">PHP mbstring documentation</a> for more information.');
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break;
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}
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return $requirements;
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}
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/**
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* Prepares a new XML parser.
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*
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* This is a wrapper around xml_parser_create() which extracts the encoding
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* from the XML data first and sets the output encoding to UTF-8. This function
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* should be used instead of xml_parser_create(), because PHP 4's XML parser
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* doesn't check the input encoding itself. "Starting from PHP 5, the input
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* encoding is automatically detected, so that the encoding parameter specifies
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* only the output encoding."
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*
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* This is also where unsupported encodings will be converted. Callers should
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* take this into account: $data might have been changed after the call.
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*
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* @param $data
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* The XML data which will be parsed later.
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*
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* @return
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* An XML parser object or FALSE on error.
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*
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* @ingroup php_wrappers
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*
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* @deprecated in Drupal 8.3.0 and will bre removed in Drupal 9.0.0. Use
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* xml_parser_create() and
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* xml_parser_set_option($xml_parser, XML_OPTION_TARGET_ENCODING, 'utf-8')
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* instead.
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*/
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function drupal_xml_parser_create(&$data) {
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// Default XML encoding is UTF-8
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$encoding = 'utf-8';
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$bom = FALSE;
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// Check for UTF-8 byte order mark (PHP5's XML parser doesn't handle it).
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if (!strncmp($data, "\xEF\xBB\xBF", 3)) {
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$bom = TRUE;
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$data = substr($data, 3);
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}
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// Check for an encoding declaration in the XML prolog if no BOM was found.
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if (!$bom && preg_match('/^<\?xml[^>]+encoding="(.+?)"/', $data, $match)) {
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$encoding = $match[1];
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}
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// Unsupported encodings are converted here into UTF-8.
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$php_supported = ['utf-8', 'iso-8859-1', 'us-ascii'];
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if (!in_array(strtolower($encoding), $php_supported)) {
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$out = Unicode::convertToUtf8($data, $encoding);
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if ($out !== FALSE) {
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$encoding = 'utf-8';
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$data = preg_replace('/^(<\?xml[^>]+encoding)="(.+?)"/', '\\1="utf-8"', $out);
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}
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else {
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\Drupal::logger('php')->warning('Could not convert XML encoding %s to UTF-8.', ['%s' => $encoding]);
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return FALSE;
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}
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}
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$xml_parser = xml_parser_create($encoding);
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xml_parser_set_option($xml_parser, XML_OPTION_TARGET_ENCODING, 'utf-8');
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return $xml_parser;
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}
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