hmmm i can’t find this filter properties anywhere? can you tell me where to find this code?
$t = apply_filters( 'twitter_cards_properties', $this->toArray() );
if ( ! is_array( $t ) || empty( $t ) )
return '';
$s = '';
foreach ( $t as $name => $value ) {
$s .= self::build_meta_element( $name, $value, $xml );
}
return $s;
}
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