<?php
 
$html = <<<LOB
<tr><td class='oddrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.1';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='oddrow'  colspan='2'>dsldevice</td><td class='oddrow' colspan='4'>0.0.0.0</td></tr>
<tr><td class='evenrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.3';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='evenrow' colspan='2'>Windows-Phone</td><td class='evenrow' colspan='4'>192.168.1.80</td></tr>
<tr><td class='oddrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.4';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='oddrow'  colspan='2'>iPhone</td><td class='oddrow' colspan='4'>192.168.1.84</td></tr>
<tr><td class='evenrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.5';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='evenrow' colspan='2'>iPhonedNMI15787</td><td class='evenrow' colspan='4'>192.168.1.65</td></tr>
<tr><td class='oddrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.6';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='oddrow'  colspan='2'>iPad</td><td class='oddrow' colspan='4'>192.168.1.83</td></tr>
<tr><td class='evenrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.7';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='evenrow' colspan='2'>iPhonedeLenika</td><td class='evenrow' colspan='4'>192.168.1.86</td></tr>
<tr><td class='oddrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.8';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='oddrow'  colspan='2'>android-1f3dff628fd6e16a</td><td class='oddrow' colspan='4'>192.168.1.68</td></tr>
<tr><td class='evenrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.9';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='evenrow' colspan='2'>android-54839867dc44b7cf</td><td class='evenrow' colspan='4'>192.168.1.72</td></tr>
<tr><td class='oddrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.10';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='oddrow'  colspan='2'>android-f2e92226ea27ecc</td><td class='oddrow' colspan='4'>192.168.1.73</td></tr>
<tr><td class='evenrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.11';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='evenrow' colspan='2'>android-48ef3fc44027c13a</td><td class='evenrow' colspan='4'>192.168.1.75</td></tr>
<tr><td class='oddrow' ><img class="hand" onclick="document.dns_config.host.value = 'DNS.Server.Host.12';submitFormRelf('DNS');" src="/images/bull__dr.gif" alt=""></td><td class='oddrow'  colspan='2'>www</td><td class='oddrow' colspan='4'>192.168.1.78</td></tr>'
LOB;
 
preg_match_all('/DNS\.Server\.Host\.(\d+).*?>www</i', $html , $match, PREG_PATTERN_ORDER);
$host = $match[1][0];
echo $host;
 

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