<?php
$string = '<p>
The <b>Sarcopterygii</b> or <b>lobe-finned fish</b> (from Greek σαρξ <i>sarx</i>, flesh, and πτερυξ <i>pteryx</i>, fin) – sometimes considered synonymous with <b>Crossopterygii</b> ("fringe-finned fish", from Greek κροσσός <i>krossos</i>, fringe) – constitute a <a href="/wiki/Clade" title="Clade">clade</a> (traditionally a <a href="/wiki/Class_(biology)" title="Class (biology)">class</a> or subclass) of the <a href="/wiki/Osteichthyes" title="Osteichthyes">bony fish</a>, though a strict <a href="/wiki/Cladistic" class="mw-redirect" title="Cladistic">cladistic</a> view includes the terrestrial <a href="/wiki/Vertebrate" title="Vertebrate">vertebrates</a>.
</p>';
$occurrences = 0;
$replacements = [];
$replacedString = preg_replace_callback("/<a .*?>.*?<\/a>/i", function($el) use (&$occurrences, &$replacements) {
$replacements["|||".$occurrences] = $el[0]; // the ||| are just to avoid unwanted matches
return "|||".$occurrences++;
}, $string);
function removeParentheses( $content ) {
$pattern = '@\(.*?\)@';
$content = preg_replace( $pattern, '', $content );
$content = str_replace( ' .', '.', $content );
$content = str_replace( ' ', ' ', $content );
return $content;
}
$replacedString = removeParentheses($replacedString);
$replacedString = str_replace(array_keys($replacements), array_values($replacements), $replacedString);
echo $replacedString;
preferences:
24.08 ms | 408 KiB | 5 Q