Filters the list of valid date query columns.

Parameters

$valid_columnsstring[]

An array of valid date query columns. Defaults are 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt', 'user_registered', 'registered', 'last_updated'.

Source

if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', $valid_columns ), true ) ) {

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