[wp-trac] [WordPress Trac] #23855: Leave Shortcode functions early, if there's no Shortcode delimiter

[WordPress Trac]

#23855: Leave Shortcode functions early, if there's no Shortcode delimiter
-------------------------+--------------------------
 Reporter:  TobiasBg     |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  3.9
Component:  Shortcodes   |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:  performance
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Comment (by SergeyBiryukov):

 My results are similar, but the patched `had_shortcode()` appears to be
 slower both with and without shortcodes:

 ||  ||Text with Shortcodes||Text without Shortcodes||
 ||`has_shortcode()`||1.121s — unpatched||1.133s — unpatched||
 ||  ||1.725s — [attachment:23855.2.patch]||2.374s —
 [attachment:23855.2.patch]||
 ||`do_shortcode()`||41.693s — unpatched||13.464s — unpatched||
 ||  ||43.025s — [attachment:23855.2.patch]||2.353s —
 [attachment:23855.2.patch]||
 ||`strip_shortcodes()`||21.834s — unpatched||13.405s — unpatched||
 ||  ||22.650s — [attachment:23855.2.patch]||2.345s —
 [attachment:23855.2.patch]||

 So, yeah, the check should only be added to `do_shortcode()` and
 `strip_shortcodes()`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/23855#comment:7>
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