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Fix garbled message text: Difference between revisions
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Other functions | Other functions | ||
* [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 root cause == | |||
<table border="1" style="width: 100%; table-layout: fixed;" class="wikitable sortable"> | |||
<tr> | |||
<th>Feature</th> | |||
<th>Example</th> | |||
<th>Meaning</th> | |||
<th>Restore to human readable ↔ encode text</th> | |||
</tr> | |||
<tr> | |||
<td>Website address contains {{kbd | key=<nowiki>%2</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>"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>URL decode ↔ URL eocode</td> | |||
</tr> | |||
<tr> | |||
<td>Downloaded Json or JavaScript file which its content contains {{kbd | key=<nowiki>\u</nowiki>}} symbols</td> | |||
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>\u4f5c</nowiki>}}</td> | |||
<td>"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> | |||
</tr> | |||
<tr> | |||
<td>String contains {{kbd | key=<nowiki>\x</nowiki>}} symbols</td> | |||
<td style="word-wrap: break-word;">{{kbd | key=<nowiki>b'\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>hexadecimal to text ↔ text to hexadecimal</td> | |||
</tr> | |||
</table> | |||
=== text start with \u symbol === | |||
Using PHP. Type is string | |||
<pre> | |||
$encoded = json_encode("象"); | |||
echo "encoded string: " . $encoded . PHP_EOL; // print "\u8c61" | |||
echo "decoded string: " . json_decode($encoded, true) . PHP_EOL; // print 象 | |||
$encoded = json_encode("🐘"); | |||
echo "encoded string: " . $encoded . PHP_EOL; // print "\ud83d\udc18" | |||
echo "decoded string: " . json_decode($encoded, true) . PHP_EOL; // print 🐘 | |||
</pre> | |||
Using Python. Type is string | |||
<pre> | |||
x = u'象' | |||
x.encode('ascii', 'backslashreplace') // print b'\\u8c61' | |||
x = u'🐘' | |||
x.encode('ascii', 'backslashreplace') // print b'\\U0001f418' | |||
</pre> | |||
Using PHP. Type is array | |||
<pre> | |||
$input = <<<EOT | |||
["\u4f5c"] | |||
EOT; | |||
$input = trim($input); | |||
var_dump(json_decode($input, true)); // print array("作") | |||
var_dump(json_encode(array("作")); // print ["\u4f5c"] | |||
</pre> | |||
=== text start with \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> | |||
<pre> | |||
data = u"許" | |||
data | |||
hex_notation = data.encode('utf-8') | |||
hex_notation // print b'\xe8\xa8\xb1' | |||
for each_unicode_character in hex_notation.decode('utf-8'): | |||
print(each_unicode_character) | |||
data = u"だいじょうぶ" | |||
data | |||
hex_notation = data.encode('utf-8') | |||
hex_notation // print b'\xe3\x81\xa0\xe3\x81\x84\xe3\x81\x98\xe3\x82\x87\xe3\x81\x86\xe3\x81\xb6' | |||
for each_unicode_character in hex_notation.decode('utf-8'): | |||
print(each_unicode_character) | |||
</pre> | |||
== Ways to fix garbled message text == | == Ways to fix garbled message text == | ||