[wp-trac] [WordPress Trac] #41933: Undefined offset -1 in $pages array when post without pages is requested

[WordPress Trac]

#41933: Undefined offset -1 in $pages array when post without pages is requested
--------------------------+------------------------------
 Reporter:  ComputerGuru  |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  4.8.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
--------------------------+------------------------------

Comment (by ComputerGuru):

 This is a sample call stack that triggers the notice:

 {{{#!php
 get_the_content()
     wp-includes/formatting.php:3292
 wp_trim_excerpt()
     wp-includes/class-wp-hook.php:298
 apply_filters('get_the_excerpt')
     wp-content/plugins/jetpack/_inc/lib/class.media-summary.php:314
 Jetpack_Media_Summary::get_excerpt()
     wp-content/plugins/jetpack/_inc/lib/class.media-summary.php:57
 Jetpack_Media_Summary::get()
     wp-content/plugins/jetpack/modules/publicize/enhanced-open-
 graph.php:23
 enhanced_og_image()
     wp-includes/class-wp-hook.php:300
 apply_filters('jetpack_open_graph_tags')
     wp-content/plugins/jetpack/functions.opengraph.php:216
 jetpack_og_tags()
     wp-includes/class-wp-hook.php:298
 do_action('wp_head')
     wp-includes/general-template.php:2589
 wp_head()
     wp-content/themes/knowhow/header.php:14
 load_template('~/wp-content/themes/knowhow/header.php')
     wp-includes/template.php:647
 locate_template()
     wp-includes/general-template.php:45
 get_header()
     wp-content/themes/knowhow/single.php:1
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/41933#comment:1>
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