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  1. <?php
  2. $a = "<h1>見出し</h1>後出し";
  3. echo substr($a, $s=stripos($a, "<h1>")+4, stripos($a, "</h1>")-$s); //見出し
  4. echo substr($a, $s=strpos($a, "見出し")+strlen("見出し"), strpos($a, "後出し")-$s); //</h1>
Success #stdin #stdout 0.01s 82880KB
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見出し</h1>
https://ideone.com/UMVJrY
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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