42 строки
1.0 KiB
PHP
42 строки
1.0 KiB
PHP
<?php
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/**
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* PHP TableOfContents Library
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*
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* @license http://opensource.org/licenses/MIT
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* @link https://github.com/caseyamcl/toc
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* @version 1.0
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* @package caseyamcl/toc
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* @author Casey McLaughlin <caseyamcl@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* ------------------------------------------------------------------
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*/
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namespace TOC;
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/**
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* Trait that interprets HTML Header tags from a list of integers
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*
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* @package TOC
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*/
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trait HeaderTagInterpreter
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{
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/**
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* Convert a topLevel and depth to H1..H6 tags array
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*
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* @param int $topLevel
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* @param int $depth
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* @return array Array of header tags; ex: ['h1', 'h2', 'h3']
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*/
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protected function determineHeaderTags($topLevel, $depth)
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{
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$desired = range((int) $topLevel, (int) $topLevel + ((int) $depth - 1));
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$allowed = [1, 2, 3, 4, 5, 6];
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return array_map(function($val) { return 'h'.$val; }, array_intersect($desired, $allowed));
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}
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}
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