Resolve PHP json decode error: Difference between revisions

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* the input is empty entirely or combination of multiple white spaces
* the input is empty entirely or combination of 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>
* 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>
* One file was combined with multiple JSON
* One file was combined with multiple JSON which were separated by return symbol
* Use {{kbd | key=<nowiki>'</nowiki>}} instead of {{kbd | key=<nowiki>"</nowiki>}} for quotation
* Use {{kbd | key=<nowiki>'</nowiki>}} instead of {{kbd | key=<nowiki>"</nowiki>}} for quotation



Revision as of 16:05, 8 May 2019

Syntax error, malformed JSON

Possible causes

  • the input is empty entirely or combination of multiple white spaces
  • the input contains Byte order mark (BOM)[1]
  • One file was combined with multiple JSON which were separated by return symbol
  • Use ' instead of " for quotation

Solution:

Unexpected control character found

Possible causes

Solution:

  • Remove control character. Using PHP:
$replacement = '';
preg_replace('/[\x00-\x1F]/', $replacement, $input);

References

Relates articles