[
Index
]
PHP Cross Reference of WordPress Trunk (Updated Daily)
[
Show Explorer
] [
Hide Navbar
]
[
Top level directory
]
Search
Search History +
Class
Function
Variable
Constant
Table
title
Body
[close]
Function and Method Cross Reference
is_404()
Defined at:
/wp-includes/class-wp-query.php
->
line 4775
/wp-includes/query.php
->
line 845
Referenced 24 times:
/wp-content/themes/twentythirteen/functions.php
->
line 429
/wp-content/themes/twentythirteen/functions.php
->
line 760
/wp-includes/canonical.php
->
line 146
/wp-includes/canonical.php
->
line 687
/wp-includes/canonical.php
->
line 1041
/wp-content/themes/twentyten/header.php
->
line 34
/wp-content/themes/twentyeleven/header.php
->
line 33
/wp-content/themes/twentyfourteen/functions.php
->
line 691
/wp-includes/ms-functions.php
->
line 2190
/wp-content/themes/twentyeleven/footer.php
->
line 22
/wp-content/themes/twentytwelve/functions.php
->
line 323
/wp-includes/embed.php
->
line 1124
/wp-includes/embed.php
->
line 1153
/wp-includes/embed.php
->
line 1171
/wp-includes/class-wp.php
->
line 743
/wp-includes/post-template.php
->
line 670
/wp-includes/post-template.php
->
line 819
/wp-includes/theme-compat/sidebar.php
->
line 35
/wp-includes/theme-compat/sidebar.php
->
line 40
/wp-includes/general-template.php
->
line 1200
/wp-includes/general-template.php
->
line 1248
/wp-includes/general-template.php
->
line 1423
/wp-includes/query.php
->
line 866
/wp-includes/query.php
->
line 1056
Generated : Thu Oct 30 08:20:06 2025
Cross-referenced by
PHPXref