wp-includes/ms-deprecated.php:91Deprecated functionality to gracefully fail.
$messagenever2 hooks fire while graceful_fail() runs, in this order:
function graceful_fail( $message ) { _deprecated_function( __FUNCTION__, '3.0.0', 'wp_die()' ); $message = apply_filters( 'graceful_fail', $message ); $message_template = apply_filters( 'graceful_fail_template','<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Error!</title><style>img { border: 0;}body {line-height: 1.6em; font-family: Georgia, serif; width: 390px; margin: auto;text-align: center;}.message { font-size: 22px; width: 350px; margin: auto;}</style></head><body><p class="message">%s</p></body></html>' ); die( sprintf( $message_template, $message ) );}Introduced in MU (3.0.0). One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
none to never.verified against sourcesrc/wp-includes/ms-deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.