Editing Resolve PHP json decode error


== Syntax error, malformed JSON ==
Possible causes
* the input is empty or multiple white spaces
* the input contains [[Byte order mark]] (BOM)<ref>[https://blog.longwin.com.tw/2013/11/php-json_decode-null-fix-2013/ PHP json_decode() 傳回 NULL 的解法 | Tsung's Blog]</ref>

Solution:
* Not allowed empty input
* Remove [[Byte order mark]] (BOM)
* Use [https://jsonlint.com/ JSONLint - The JSON Validator] to validate the JSON format

== Unexpected control character found ==
Possible causes
* the input string contains [https://en.wikipedia.org/wiki/Control_character control characters]

Solution:
* Remove control character

<pre>
$replacement = '';
preg_replace('/[\x00-\x1F]/', $replacement, $input);
</pre>

== References ==
<references />

== Relates articles ==
* [https://www.php.net/function.json_last_error PHP: json_last_error - Manual]

[[Category:Data Science]] [[Category:PHP]] [[Category:Json]] [[Category:Text file processing]]