[wp-trac] [WordPress Trac] #22692: Quotes Are Messing Up

[WordPress Trac]

#22692: Quotes Are Messing Up
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 Reporter:  miqrogroove                 |       Owner:
     Type:  defect (bug)                |      Status:  new
 Priority:  normal                      |   Milestone:  Future Release
Component:  Formatting                  |     Version:  3.4.2
 Severity:  normal                      |  Resolution:
 Keywords:  has-patch needs-unit-tests  |
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Comment (by azaozz):

 The tests look good, but... There is something going on here. Without the
 `u` modifier, in some cases `\s` matches `\xA0` which happens to be the
 second byte from U+00A0 and all works as expected. The tests pass.

 Adding this to any testcase:

 {{{
 /**
  * @ticket 999999
  */
 function test_regex_xa0() {
         $this->assertTrue( 1 === preg_match( '/^\s$/', "\xA0" ) );
         $this->assertRegExp( '/^\s$/', "\xA0" );
 }
 }}}

 Then run it with `phpunit --group 999999`. Both pass on my test install.
 However this:

 {{{
 add_action( 'shutdown', 'my_test_s' );
 function my_test_s() {
         var_dump( preg_match( '/^\s$/', "\xA0" ) );
 }
 }}}

 outputs `int(0)`... So which one is right?

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Ticket URL: <http://core.trac.wordpress.org/ticket/22692#comment:35>
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