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PHP Cross Reference of WordPress Trunk (Updated Daily)
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Variable Cross Reference
$in_headers
Defined at:
/wp-includes/PHPMailer/SMTP.php
->
line 830
/wp-includes/PHPMailer/SMTP.php
->
line 832
/wp-includes/PHPMailer/SMTP.php
->
line 838
Referenced 5 times:
/wp-includes/PHPMailer/SMTP.php
->
line 830
/wp-includes/PHPMailer/SMTP.php
->
line 832
/wp-includes/PHPMailer/SMTP.php
->
line 837
/wp-includes/PHPMailer/SMTP.php
->
line 838
/wp-includes/PHPMailer/SMTP.php
->
line 859
Generated : Wed Apr 15 08:20:10 2026
Cross-referenced by
PHPXref