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PHP Cross Reference of WordPress Trunk (Updated Daily)
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Variable Cross Reference
$system_identifier_is_missing
Defined at:
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 236
Referenced 3 times:
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 236
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 341
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 370
Generated : Wed Jun 24 08:20:11 2026
Cross-referenced by
PHPXref