Adds a rewrite rule that transforms a URL structure to a set of query vars.
Description
Any value in the $after parameter that isn’t ‘bottom’ will result in the rule being placed at the top of the rewrite rules.
Parameters
$regexstringrequired- Regular expression to match request against.
$querystring|arrayrequired- The corresponding query vars for this rewrite rule.
$afterstringoptional- Priority of the new rule. Accepts
'top'or'bottom'. Default'bottom'.Default:
'bottom'
Source
public function add_rule( $regex, $query, $after = 'bottom' ) {
if ( is_array( $query ) ) {
$external = false;
$query = add_query_arg( $query, 'index.php' );
} else {
$index = ! str_contains( $query, '?' ) ? strlen( $query ) : strpos( $query, '?' );
$front = substr( $query, 0, $index );
$external = $front !== $this->index;
}
// "external" = it doesn't correspond to index.php.
if ( $external ) {
$this->add_external_rule( $regex, $query );
} else {
if ( 'bottom' === $after ) {
$this->extra_rules = array_merge( $this->extra_rules, array( $regex => $query ) );
} else {
$this->extra_rules_top = array_merge( $this->extra_rules_top, array( $regex => $query ) );
}
}
}
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