[wp-trac] [WordPress Trac] #41579: Post_content / meta value unable to store slashed content

[WordPress Trac]

#41579: Post_content / meta value unable to store slashed content
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 Reporter:  Compute            |      Owner:
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Posts, Post Types  |    Version:  trunk
 Severity:  normal             |   Keywords:
  Focuses:                     |
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 Hi there,

 In my plugin I'm storing data from another service. This service returns
 regex data on how some fields are getting validated.

 When saving these values to either post_content or a post meta the values
 are getting slashed. I could save these are options but due to it being
 specific to a post_type this does not make sense.

 To test:

 {{{
 $regex = '(\b16-\d{3}\b)';
 $post_id = wp_insert_post( [
         'post_title' => 'Test regex',
         'post_content' => $regex,
         'post_type' => 'post',
 ] );
 var_dump($regex);
 echo '<br>';
 var_dump( get_post($post_id )->post_content );
 die();

 }}}

 Output:
 {{{
 string(14) "(\b16-\d{3}\b)"
 string(11) "(b16-d{3}b)"
 }}}

 It seems like there is no way of skipping the current API from slashing
 the values with wp_unslash.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41579>
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