laravel-6 support
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RafficMohammed
254
vendor/scrivo/highlight.php/HighlightUtilities/functions.php
vendored
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254
vendor/scrivo/highlight.php/HighlightUtilities/functions.php
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<?php
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/* Copyright (c) 2019 Geert Bergman (geert@scrivo.nl), highlight.php
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of "highlight.js", "highlight.php", nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace HighlightUtilities;
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require_once __DIR__ . '/_internals.php';
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require_once __DIR__ . '/_themeColors.php';
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/**
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* Get a list of available stylesheets.
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*
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* By default, a list of filenames without the `.css` extension will be returned.
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* This can be configured with the `$filePaths` argument.
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*
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* @api
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*
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* @since 9.15.8.1
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*
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* @param bool $filePaths Return absolute paths to stylesheets instead
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*
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* @return string[]
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*/
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function getAvailableStyleSheets($filePaths = false)
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{
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$results = array();
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$folder = getStyleSheetFolder();
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$dh = @dir($folder);
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if ($dh) {
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while (($entry = $dh->read()) !== false) {
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if (substr($entry, -4, 4) !== ".css") {
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continue;
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}
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if ($filePaths) {
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$results[] = implode(DIRECTORY_SEPARATOR, array($folder, $entry));
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} else {
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$results[] = basename($entry, ".css");
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}
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}
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$dh->close();
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}
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return $results;
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}
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/**
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* Get the RGB representation used for the background of a given theme as an
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* array of three numbers.
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*
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* @api
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*
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* @since 9.18.1.1
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*
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* @param string $name The stylesheet name (with or without the extension)
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*
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* @throws \DomainException when no stylesheet with this name exists
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*
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* @return float[] An array representing RGB numerical values
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*/
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function getThemeBackgroundColor($name)
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{
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return _getThemeBackgroundColor(_getNoCssExtension($name));
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}
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/**
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* Get the contents of the given stylesheet.
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*
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* @api
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*
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* @since 9.15.8.1
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*
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* @param string $name The stylesheet name (with or without the extension)
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*
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* @throws \DomainException when the no stylesheet with this name exists
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*
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* @return false|string The CSS content of the stylesheet or FALSE when
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* the stylesheet content could be read
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*/
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function getStyleSheet($name)
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{
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$path = getStyleSheetPath($name);
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return file_get_contents($path);
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}
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/**
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* Get the absolute path to the folder containing the stylesheets distributed in this package.
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*
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* @api
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*
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* @since 9.15.8.1
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*
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* @return string An absolute path to the folder
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*/
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function getStyleSheetFolder()
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{
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$paths = array(__DIR__, '..', 'styles');
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return implode(DIRECTORY_SEPARATOR, $paths);
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}
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/**
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* Get the absolute path to a given stylesheet distributed in this package.
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*
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* @api
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*
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* @since 9.15.8.1
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*
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* @param string $name The stylesheet name (with or without the extension)
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*
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* @throws \DomainException when the no stylesheet with this name exists
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*
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* @return string The absolute path to the stylesheet with the given name
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*/
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function getStyleSheetPath($name)
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{
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$name = _getNoCssExtension($name);
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$path = implode(DIRECTORY_SEPARATOR, array(getStyleSheetFolder(), $name)) . ".css";
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if (!file_exists($path)) {
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throw new \DomainException("There is no stylesheet with by the name of '$name'.");
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}
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return $path;
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}
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/**
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* Get the directory path for the bundled languages folder.
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*
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* @api
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*
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* @since 9.18.1.4
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*
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* @return string An absolute path to the bundled languages folder
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*/
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function getLanguagesFolder()
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{
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return __DIR__ . '/../Highlight/languages';
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}
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/**
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* Get the file path for the specified bundled language definition.
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*
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* @api
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*
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* @since 9.18.1.4
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*
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* @param string $name The slug of the language to look for
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*
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* @throws \DomainException when the no definition for this language exists
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*
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* @return string
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*/
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function getLanguageDefinitionPath($name)
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{
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$path = getLanguagesFolder() . '/' . $name . '.json';
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if (!file_exists($path)) {
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throw new \DomainException("There is no language definition for $name");
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}
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return $path;
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}
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/**
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* Convert the HTML generated by Highlighter and split it up into an array of lines.
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*
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* @api
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*
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* @since 9.18.1.6 `RuntimeException` and `UnexpectedValueException` can no longer be thrown.
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* @since 9.15.6.1
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*
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* @param string $html An HTML string generated by `Highlighter::highlight()`
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*
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* @return string[]|false An array of lines of code as strings. False if an error occurred in splitting up by lines
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*/
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function splitCodeIntoArray($html)
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{
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if (trim($html) === "") {
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return array();
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}
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$queuedPrefix = '';
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$regexWorkspace = array();
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$rawLines = preg_split('/\R/u', $html);
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if ($rawLines === false) {
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return false;
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}
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foreach ($rawLines as &$rawLine) {
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// If the previous line has been marked as "open", then we'll have something
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// in our queue
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if ($queuedPrefix !== '') {
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$rawLine = $queuedPrefix . $rawLine;
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$queuedPrefix = '';
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}
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// Find how many opening `<span>` tags exist on this line
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preg_match_all('/<span[^>]*+>/u', $rawLine, $regexWorkspace);
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$openingTags = count($regexWorkspace[0]);
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// Find all of the closing `</span>` tags that exist on this line
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preg_match_all('/<\/span>/u', $rawLine, $regexWorkspace);
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$closingTags = count($regexWorkspace[0]);
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// If the number of opening tags matches the number of closing tags, then
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// we don't have any new tags that span multiple lines
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if ($openingTags === $closingTags) {
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continue;
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}
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// Find all of the complete `<span>` tags and remove them from a working
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// copy of the line. Then we'll be left with just opening tags.
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$workingLine = preg_replace('/<span[^>]*+>[^<]*+<\/span>/u', '', $rawLine);
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preg_match_all('/<span[^>]*+>/u', $workingLine, $regexWorkspace);
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$queuedPrefix = implode('', $regexWorkspace[0]);
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// Close all of the remaining open tags on this line
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$diff = str_repeat('</span>', $openingTags - $closingTags);
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$rawLine .= $diff;
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}
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return $rawLines;
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}
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