[wp-trac] [WordPress Trac] #14490: function "get cat ID" fails if category name has an apostrophe

[WordPress Trac]

#14490: function "get cat ID" fails if category name has an apostrophe
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 Reporter:  iamronen           |       Owner:
     Type:  defect (bug)       |      Status:  reopened
 Priority:  normal             |   Milestone:
Component:  Taxonomy           |     Version:  3.1
 Severity:  minor              |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by jackreichert):

 I'm wondering if this has to do with database collation. I was not able to
 reproduce this with database set to utf8mb4_unicode.

 Categories I tried with:
 `       echo get_cat_ID( "Jack’s cat" ); # using single comma quotation
 mark
         echo get_cat_ID( "Someone's cat" ); # using apostrophe
         echo get_cat_ID( "“I like spaghetti”" ); # using left and right
 double turned comma quotation mark
         echo get_cat_ID( "˓ Modifier Letter Centered Left Half Ring" ); #
 using modifier letter centered left half ring `

 One thing I noticed was that the apostrophe was being translated to a
 single comma quotation mark here `/wp-admin/edit-
 tags.php?taxonomy=category`. If I called it with get_cat_ID as a single
 comma quotation mark it came back 0 but if I called it as an apostrophe
 (what I had set it up as) it was fine.

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Ticket URL: <https://core.trac.wordpress.org/ticket/14490#comment:12>
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