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  1. <?php
  2.  
  3. $x = <<<EOF
  4. aaa.	86400
  5. ns1.dns.nic.aaa.	172800  IN  A   156.154.144.2
  6. ns1.dns.nic.aaa.	172800  IN  AAAA    2610:a1:1071:0:0:0:0:2
  7. abarth.	86400   IN  RRSIG   NSEC 8 1 86400 20180728050000 20180715040000 41656 . 
  8. a0.nic.abarth.	172800  IN  A   65.22.24.17
  9. a0.nic.abarth.	172800  IN  AAAA    2a01:8840:1a:0:0:0:0:17
  10. ai.	
  11. ns2.offshore.ai.	172800  IN  A   108.166.113.245
  12. whois.ai.	172800  IN  A   209.59.119.1
  13. xn--node.ns.anycast.pch.net.    172800  IN  A   204.61.216.88
  14. d.nic.xn--mxtq1m.	172800  IN  AAAA    2001:c50:ffff:1:0:0:0:185
  15. d.nic.	
  16. xn--ngbc5azd.	172800  IN  NS  a.nic.xn--ngbc5azd.
  17. EOF;
  18.  
  19. preg_match_all('/^([^.]+\.)\t/m', $x, $m, PREG_PATTERN_ORDER);
  20. print_r( $m[1] );
Success #stdin #stdout 0.03s 24144KB
comments (?)
stdin
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Standard input is empty
stdout
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Array
(
    [0] => aaa.
    [1] => abarth.
    [2] => ai.
    [3] => xn--ngbc5azd.
)
https://ideone.com/8zJH8D
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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