[wp-trac] [WordPress Trac] #28613: class_exists(classname) should be class_exists(classname, false) in a few places

[WordPress Trac]

#28613: class_exists(classname) should be class_exists(classname, false) in a few
places
----------------------------+-----------------------------
 Reporter:  jcjcc           |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Bootstrap/Load  |    Version:  trunk
 Severity:  normal          |   Keywords:
  Focuses:                  |
----------------------------+-----------------------------
 Five files contain calls to class_exists without the second parameter set
 to false. When an autoloader is registered but the class doesn't exist, a
 fatal exception is thrown (see #13436) unless this second parameter is
 set.

 The incorrect calls to "class_exists" (ie. with only one argument) are in
 wp-includes/pomo/{entry, translations, streams, mo}.php.

 One more instance in wp-includes/pluggable-deprecated.php.

 The changes are very simple and should look like this (here is the one
 instance in pluggable-deprecated.php):

 {{{
 if ( ! class_exists( 'wp_atom_server' ) ) {
 }}}

 becomes

 {{{
 if ( ! class_exists( 'wp_atom_server', false ) ) {
 }}}


 #13436 mentions several more instances, but I did the above changes by
 hand and the site loads fine now. (It would be probably to go through and
 look at every instance of class_exists, though.)

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Ticket URL: <https://core.trac.wordpress.org/ticket/28613>
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