wp-includes/formatting.php:2842Navigates through an array, object, or scalar, and removes slashes from the values.
$valuemixedmixedfunction stripslashes_deep( $value ) { return map_deep( $value, 'stripslashes_from_strings_only' );}Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/formatting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.