Current Path : C:/Users/Mahmood/Desktop/moodle8/lib/html2text/ |
Current File : C:/Users/Mahmood/Desktop/moodle8/lib/html2text/override.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * Run time overrides for Html2Text * * This allows us to monkey patch the mb_* functions used in Html2Text to use Moodle's core_text functionality. * * @package core * @copyright 2016 Andrew Nicols <andrew@nicols.uk> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace Html2Text; /** * Set the encoding to be used by our monkey patched mb_ functions. * * When called with $encoding !== null, we set the static $intenalencoding * variable, which is used for subsequent calls. * * When called with no value for $encoding, we return the previously defined * $internalencoding. * * This is necessary as we need to maintain the state of mb_internal_encoding * across calls to other mb_* functions. Check how it is used in the other mb_* * functions defined here - if no encoding is provided we fallback to what was * set here, otherwise we used the given encoding. * * @staticvar string $internalencoding The encoding to be used across mb_* calls. * @param string $encoding When given, sets $internalencoding * @return mixed */ function mb_internal_encoding($encoding = null) { static $internalencoding = 'utf-8'; if ($encoding !== null) { $internalencoding = $encoding; return true; } else { return $internalencoding; } } /** * Performs a multi-byte safe substr() operation based on number of characters. * Position is counted from the beginning of str. First character's position is * 0. Second character position is 1, and so on. * * @param string $str The string to extract the substring from. * @param int $start If start is non-negative, the returned string will * start at the start'th position in string, counting * from zero. For instance, in the string 'abcdef', * the character at position 0 is 'a', the character * at position 2 is 'c', and so forth. * @param int $length Maximum number of characters to use from str. If * omitted or NULL is passed, extract all characters * to the end of the string. * @param string $encoding The encoding parameter is the character encoding. * If it is omitted, the internal character encoding * value will be used. * * @return string The portion of str specified by the start and length parameters. */ function mb_substr($str, $start, $length = null, $encoding = null) { if ($encoding === null) { $encoding = mb_internal_encoding(); } return \core_text::substr($str, $start, $length, $encoding); } /** * Gets the length of a string. * * @param string $str The string being checked for length. * @param string $encoding The encoding parameter is the character encoding. * If it is omitted, the internal character encoding * value will be used. * * @return int The number of characters in str having character encoding $encoding. * A multibyte character is counted as 1. */ function mb_strlen($str, $encoding = null) { if ($encoding === null) { $encoding = mb_internal_encoding(); } return \core_text::strlen($str, $encoding); } /** * Returns $str with all alphabetic chatacters converted to lowercase. * * @param string $str The string being lowercased. * @param string $encoding The encoding parameter is the character encoding. * If it is omitted, the internal character encoding * value will be used. * * @return string The string with all alphabetic characters converted to lowercase. */ function mb_strtolower($str, $encoding = null) { if ($encoding === null) { $encoding = mb_internal_encoding(); } return \core_text::strtolower($str, $encoding); } /** * * @param string The string being uppercased * @param string $encoding The encoding parameter is the character encoding. * If it is omitted, the internal character encoding * value will be used. * * @return string The string with all alphabetic characters converted to uppercase. */ function mb_strtoupper($str, $encoding = null) { if ($encoding === null) { $encoding = mb_internal_encoding(); } return \core_text::strtoupper($str, $encoding); }