3v4l.org

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<?php $search_a = "A"; $s="domain.io. A 8.8.8.8 www CNAME domain.io"; $lines = explode(" ", $s); $domain = "domain.io"; foreach($lines as $a) { if(strpos($a, $search_a) !== false) { $a_array = "$a"; $a_record_output = preg_split('/(.'.$domain.'.|\s)/', $a_array, -1, PREG_SPLIT_NO_EMPTY); if ($a_record_output[1] !== "A") continue; print_r($a_record_output); } }
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [0] => domain.io. [1] => A [2] => 8.8.8.8 )

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