[wp-trac] [WordPress Trac] #28786: wp_send_json silently fails on non UTF-8 strings

[WordPress Trac]

#28786: wp_send_json silently fails on non UTF-8 strings
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 Reporter:  pento             |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  4.1
Component:  Formatting        |     Version:  3.5
 Severity:  normal            |  Resolution:
 Keywords:  has-patch commit  |     Focuses:
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Comment (by pento):

 [attachment:28786.12.diff] uses a `static` var instead of
 `function_exists()`, and does strict `mb_detect_encoding()` checks.

 I'm inclined to keep `_wp_json_convert_string()` as a function
 specifically for JSON. I'm working on a patch for WPDB that will provide
 more comprehensive character set conversion functionality.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28786#comment:22>
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