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Tools for locating / replacing bad bytes in UTF-8 strings The Original Code is Mozilla Communicator client code. The Initial Developer of the Original Code is Netscape Communications Corporation. Portions created by the Initial Developer are Copyright (C) 1998 the Initial Developer. All Rights Reserved. Ported to PHP by Henri Sivonen (http://hsivonen.iki.fi) Slight modifications to fit with phputf8 library by Harry Fuecks (hfuecks gmail com)
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| utf8_bad_find($str) X-Ref |
| Locates the first bad byte in a UTF-8 string returning it's byte index in the string PCRE Pattern to locate bad bytes in a UTF-8 string Comes from W3 FAQ: Multilingual Forms Note: modified to include full ASCII range including control chars param: string return: mixed integer byte index or FALSE if no bad found |
| utf8_bad_findall($str) X-Ref |
| Locates all bad bytes in a UTF-8 string and returns a list of their byte index in the string PCRE Pattern to locate bad bytes in a UTF-8 string Comes from W3 FAQ: Multilingual Forms Note: modified to include full ASCII range including control chars param: string return: mixed array of integers or FALSE if no bad found |
| utf8_bad_strip($str) X-Ref |
| Strips out any bad bytes from a UTF-8 string and returns the rest PCRE Pattern to locate bad bytes in a UTF-8 string Comes from W3 FAQ: Multilingual Forms Note: modified to include full ASCII range including control chars param: string return: string |
| utf8_bad_replace($str, $replace = '?') X-Ref |
| Replace bad bytes with an alternative character - ASCII character recommended is replacement char PCRE Pattern to locate bad bytes in a UTF-8 string Comes from W3 FAQ: Multilingual Forms Note: modified to include full ASCII range including control chars param: string to search param: string to replace bad bytes with (defaults to '?') - use ASCII return: string |
| utf8_bad_identify($str, &$i) X-Ref |
| Reports on the type of bad byte found in a UTF-8 string. Returns a status code on the first bad byte found Joomla modification - As of PHP 7.4, curly brace access has been deprecated. As a result this function has been modified to use square brace syntax See https://github.com/php/php-src/commit/d574df63dc375f5fc9202ce5afde23f866b6450a for additional references author: <[email protected]> param: string UTF-8 encoded string return: mixed integer constant describing problem or FALSE if valid UTF-8 |
| utf8_bad_explain($code) X-Ref |
| Takes a return code from utf8_bad_identify() are returns a message (in English) explaining what the problem is. param: int return code from utf8_bad_identify return: mixed string message or FALSE if return code unknown |
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