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<?php $text = 'Call 123-456-7800 between 16:00 and 4:00 for confidential support'; $f = new NumberFormatter('en', NumberFormatter::SPELLOUT); echo preg_replace_callback( '/\b(\d)(\d)(\d)-(\d)(\d)(\d)-(\d)(\d)(\d)(\d)\b/', fn($m) => implode(' ', array_map([$f, 'format'], array_slice($m, 1))), $text );
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Call one two three four five six seven eight zero zero between 16:00 and 4:00 for confidential support
preferences:
59.72 ms | 406 KiB | 5 Q