Fix garbled message text: Difference between revisions

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Fix garbled message text (edit)

Revision as of 10:01, 11 March 2019

4,108 bytes added ,  11 March 2019
→‎List of the (look like but not) garbled text and possible cause
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* [https://www.w3schools.com/js/js_json_parse.asp JSON.parse()] or [http://api.jquery.com/jquery.parsejson/ jQuery.parseJSON() | jQuery API Documentation]
* [https://www.w3schools.com/js/js_json_parse.asp JSON.parse()] or [http://api.jquery.com/jquery.parsejson/ jQuery.parseJSON() | jQuery API Documentation]


== List of the garbled text and possible cause ==
== List of the (look like but not) garbled text and possible cause ==
<table border="1" style="width: 100%; table-layout: fixed;" class="wikitable sortable">
<table border="1" style="width: 100%; table-layout: fixed;" class="wikitable sortable">
<tr>
<tr>
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</tr>
</tr>
<tr>
<tr>
<td>Website address contains {{kbd | key=<nowiki>%2</nowiki>}} symbols</td>
<td>Website address contains {{kbd | key=<nowiki>%2</nowiki>}} or {{kbd | key=<nowiki>%20</nowiki>}} symbols</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>http%3A%2F%2Fwww.%E4%B8%AD%E6%96%87%E7%B6%B2%E5%9D%80.tw%2F</nowiki>}}</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>http%3A%2F%2Fwww.%E4%B8%AD%E6%96%87%E7%B6%B2%E5%9D%80.tw%2F</nowiki>}}</td>
<td>"converts characters into a format that can be transmitted over the Internet ... " Cited from [http://www.w3schools.com/tags/ref_urlencode.asp w3schools]</td>
<td>"converts characters into a format that can be transmitted over the Internet ... " Cited from [http://www.w3schools.com/tags/ref_urlencode.asp w3schools]</td>
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</tr>
</tr>
<tr>
<tr>
<td>Downloaded Json or JavaScript file which its content contains {{kbd | key=<nowiki>\u</nowiki>}} symbols</td>
<td>String start from {{kbd | key=<nowiki>\u</nowiki>}}, {{kbd | key=<nowiki>\U</nowiki>}} or {{kbd | key=<nowiki>U+</nowiki>}} symbols</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>\u4f5c</nowiki>}}</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>\u8c61</nowiki>}}, {{kbd | key=<nowiki>\U0001f418</nowiki>}} or {{kbd | key=<nowiki>U+1F418</nowiki>}}</td>
<td>(1) 16-bit or 32-bit hex value (2) "JSON representation of the supplied value"<ref>[http://php.net/manual/en/function.json-encode.php PHP: json_encode - Manual]</ref><ref>[http://www.faqs.org/rfcs/rfc7159.html RFC 7159: The JavaScript Object Notation (JSON) Data Interchange Format]</ref></td>
<td>Unicode number: "Unicode code point is referred to by writing "U+" followed by its hexadecimal number.<ref>[https://en.wikipedia.org/wiki/Unicode Unicode - Wikipedia]</ref>" (1) 16-bit or 32-bit hex value (2) "JSON representation of the supplied value"<ref>[http://php.net/manual/en/function.json-encode.php PHP: json_encode - Manual]</ref><ref>[http://www.faqs.org/rfcs/rfc7159.html RFC 7159: The JavaScript Object Notation (JSON) Data Interchange Format]</ref></td>
<td>JSON decode ↔ JSON eocode</td>
<td>JSON decode ↔ JSON eocode</td>
</tr>
</tr>
<tr>
<tr>
<td>String contains {{kbd | key=<nowiki>\x</nowiki>}} symbols</td>
<td>String starting from {{kbd | key=<nowiki>0x</nowiki>}} symbols</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>b'\xe8\xa8\xb1'</nowiki>}}</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>0x8c61</nowiki>}}</td>
<td>hexadecimal string<ref>[https://www.programiz.com/python-programming/methods/built-in/hex Python hex() - Python Standard Library]</ref></td>
<td></td>
</tr>
<tr>
<td>String starting from {{kbd | key=<nowiki>\x</nowiki>}} symbols</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>\xe8\xa8\xb1</nowiki>}}</td>
<td>"\x is a string escape code, which happens to use hex notation" (hexadecimal notation)<ref>[https://stackoverflow.com/questions/13123877/difference-between-different-hex-types-representations-in-python Difference between different hex types/representations in Python - Stack Overflow]</ref></td>
<td>"\x is a string escape code, which happens to use hex notation" (hexadecimal notation)<ref>[https://stackoverflow.com/questions/13123877/difference-between-different-hex-types-representations-in-python Difference between different hex types/representations in Python - Stack Overflow]</ref></td>
<td>hexadecimal to text ↔ text to hexadecimal</td>
<td>hexadecimal to text ↔ text to hexadecimal</td>
</tr>
<tr>
<td>String starting from {{kbd | key=<nowiki>&#</nowiki>}} symbols</td>
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>&amp;#35937;</nowiki>}}</td>
<td>Unicode HTML code. "Unicode number in decimal, hex or octal"<ref>[http://www.amp-what.com/help.html &what Help]</ref></td>
<td></td>
</tr>
</tr>
</table>
</table>


=== text start with \u symbol ===
=== String contains {{kbd | key=<nowiki>%2</nowiki>}} or {{kbd | key=<nowiki>%20</nowiki>}} symbols ===
Using [http://php.net/manual/en/function.urlencode.php PHP: urlencode - Manual] or [https://www.w3schools.com/jsref/jsref_encodeuri.asp JavaScript encodeURI() Function]
 
=== String starting from \u, \U or U+ symbol ===
Using PHP. Type is string
Using PHP. Type is string
<pre>
<pre>
$encoded = json_encode("象");
$encoded = <<<EOT
echo "encoded string: " . $encoded . PHP_EOL; // print "\u8c61"
 
"\u8c61"
 
EOT;
echo "decoded string: " . json_decode($encoded, true) . PHP_EOL; // print 象
echo "decoded string: " . json_decode($encoded, true) . PHP_EOL; // print 象
echo "encoded string: " . json_encode("象") . PHP_EOL; // print "\u8c61"
$encoded = <<<EOT
"\ud83d\udc18"


$encoded = json_encode("🐘");
EOT;
echo "encoded string: " . $encoded . PHP_EOL; // print "\ud83d\udc18"
echo "decoded string: " . json_decode($encoded, true) . PHP_EOL; // print 🐘
echo "decoded string: " . json_decode($encoded, true) . PHP_EOL; // print 🐘
echo "encoded string: " . json_encode("🐘") . PHP_EOL; // print "\ud83d\udc18"
</pre>
Using PHP v. 7.0 [https://wiki.php.net/rfc/unicode_escape Unicode Codepoint Escape Syntax]<ref>[https://secure.php.net/manual/en/migration70.new-features.php#migration70.new-features.unicode-codepoint-escape-syntax PHP: New features - Manual]</ref>
<pre>
echo "\u{8c61}" . PHP_EOL; // print 象
echo "\u{0001f418}" . PHP_EOL; // print 🐘
</pre>
</pre>


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</pre>
</pre>


=== text start with \x symbol ===
=== String starting from 0x symbol ===
Using Python [https://www.w3schools.com/python/ref_func_chr.asp chr() Function] ↔ [https://www.programiz.com/python-programming/methods/built-in/hex hex() function]
<pre>
int('0x8c61', 16)
# print 35937 -- "An integer representing a valid Unicode code point" cited from w3schools
chr(int('0x8c61', 16))
# print '象' -- "returns the character that represents the specified unicode." cited from w3schools
hex(ord('象'))
# print '0x8c61' -- "converts an integer number to the corresponding hexadecimal string." cited from programiz.com
 
chr(int('0x1f418', 16))
# print '🐘'
hex(ord('🐘'))
# print '0x1f418'
</pre>
 
=== string starting from \x symbol ===
Using Python<ref>[https://docs.python.org/3/library/stdtypes.html#bytes.decode bytes.decode()]</ref><ref>[https://docs.python.org/3/library/stdtypes.html#str.encode str.encode()]</ref><ref>[https://stackoverflow.com/questions/33294213/how-to-decode-unicode-in-a-chinese-text python - How to decode unicode in a Chinese text - Stack Overflow]</ref>
Using Python<ref>[https://docs.python.org/3/library/stdtypes.html#bytes.decode bytes.decode()]</ref><ref>[https://docs.python.org/3/library/stdtypes.html#str.encode str.encode()]</ref><ref>[https://stackoverflow.com/questions/33294213/how-to-decode-unicode-in-a-chinese-text python - How to decode unicode in a Chinese text - Stack Overflow]</ref>
<pre>
<pre>
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hex_notation
hex_notation
# print b'\xe8\xb1\xa1'
# print b'\xe8\xb1\xa1'
for each_unicode_character in hex_notation.decode('utf-8'):
    print(each_unicode_character)
data = u"🐘"
data
hex_notation = data.encode('utf-8')
hex_notation
# print b'\xf0\x9f\x90\x98'
for each_unicode_character in hex_notation.decode('utf-8'):
for each_unicode_character in hex_notation.decode('utf-8'):
     print(each_unicode_character)
     print(each_unicode_character)
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for each_unicode_character in hex_notation.decode('utf-8'):
for each_unicode_character in hex_notation.decode('utf-8'):
     print(each_unicode_character)
     print(each_unicode_character)
</pre>
=== String starting from &# symbols ===
Using PHP [https://www.w3schools.com/php/func_string_html_entity_decode.asp html_entity_decode() Function]<ref>[https://blog.longwin.com.tw/2011/06/php-html-unicode-convert-2011/ PHP 將 文字 轉換成 &#xxxxx; UNICODE 碼 | Tsung's Blog]</ref><ref>[http://hinablue.blogspot.com/2008/01/php-tech-unicode-html-convert.html [php tech.] unicode html convert | HINA::工程幼稚園] unicode html 字碼來元是由原本的編碼，轉換為 UCS-2 之後，再取二進制轉換，再取一次 16 to 10 進制轉換，在加上 &# 而得到這個字碼。</ref>
<pre>
$unicode_html = '&amp;#128024;';
echo html_entity_decode($unicode_html) . PHP_EOL; // print 🐘
$unicode_html = '&amp;#128024;';
echo mb_convert_encoding($unicode_html, 'UTF-8', 'HTML-ENTITIES') . PHP_EOL; // print 🐘
$input = "🐘";
$unicode_html = base_convert(bin2hex(mb_convert_encoding($input, 'UTF-32', 'utf-8')), 16, 10);
$unicode_html = '&#' . $unicode_html . ';';
echo 'unicode_html: ' . $unicode_html . PHP_EOL; // print &#128024
</pre>
</pre>


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* [[Batch Process#簡繁體文件轉換 | 簡繁體文件轉換]]
* [[Batch Process#簡繁體文件轉換 | 簡繁體文件轉換]]
* [http://en.wikipedia.org/wiki/Character_encoding Character encoding - Wikipedia, the free encyclopedia]
* [http://en.wikipedia.org/wiki/Character_encoding Character encoding - Wikipedia, the free encyclopedia]
* [https://pjchender.blogspot.com/2018/06/guide-unicode-javascript.html (Guide) 瞭解網頁中看不懂的編碼：Unicode 在 JavaScript 中的使用 ~ PJCHENder 那些沒告訴你的小細節]
* [[Regular extract url from text]]
* [[Regular extract url from text]]
* [[URL Encoding]]
* [[URL Encoding]]
Unicode table
* [https://unicode-table.com/en/ Unicode® Character Table]
* [http://www.amp-what.com/ &what: Discover Unicode & HTML Character Entities]
* [https://www.toptal.com/designers/htmlarrows/ HTML Symbols, Entities, Characters and Codes — HTML Arrows]
* [https://www.utf8-chartable.de/unicode-utf8-table.pl?utf8=0x Unicode/UTF-8-character table]


== References ==
== References ==
Retrieved from "https://wiki.planetoid.info/index.php/Special:MobileDiff/20475...20565"

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