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PHP Cross Reference of WordPress Trunk (Updated Daily)
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Variable Cross Reference
$system_identifier
Defined at:
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 128
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 238
Referenced 13 times:
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 128
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 184
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 189
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 189
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 208
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 236
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 238
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 238
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 238
/wp-includes/html-api/class-wp-html-doctype-info.php
->
line 255
/wp-includes/html-api/class-wp-html-processor.php
->
line 1376
/wp-includes/html-api/class-wp-html-processor.php
->
line 1380
/wp-includes/html-api/class-wp-html-processor.php
->
line 1381
Generated : Wed Jun 24 08:20:11 2026
Cross-referenced by
PHPXref