Filters the post parent — used to check for and prevent hierarchy loops.

Parameters

$post_parentint

Post parent ID.

$post_idint

Post ID.

$new_postarrarray

Array of parsed post data.

$postarrarray

Array of sanitized, but otherwise unmodified post data.

Source

$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_id, $new_postarr, $postarr );

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Changelog