wp-includes/pomo/translations.php:198Translates a plural string.
$singularstring$pluralstring$countint$contextstringoptionalnullstring public function translate_plural( $singular, $plural, $count, $context = null ) { $entry = new Translation_Entry( array( 'singular' => $singular, 'plural' => $plural, 'context' => $context, ) ); $translated = $this->translate_entry( $entry ); $index = $this->select_plural_form( $count ); $total_plural_forms = $this->get_plural_forms_count(); if ( $translated && 0 <= $index && $index < $total_plural_forms && is_array( $translated->translations ) && isset( $translated->translations[ $index ] ) ) { return $translated->translations[ $index ]; } else { return 1 === (int) $count ? $singular : $plural; } }Introduced in 2.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/pomo/translations.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.