I have this string and trying get phone number: +420 731 58 34 12. How I can do this using php ?
<p><strong>Studio Diana</strong><br>Lidická 25<br>Brno, 602 00<br>Tel.: +420 731 58 34 12<br>E-mail: <a href="mailto:diana@studio-diana.cz">diana@studio-diana.cz</a><br><a href="http://www.studio-diana.cz/" target="_blank">http://www.studio-diana.cz</a><br><strong> </strong><br><strong><em>Otevírací doba:</em></strong><br><em>Po-Čt: 8:00–18:00 </em><br><em>Pá: 8:00–15:00</em></p>