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@ 2014-05-15T13:12:31Z

<?php
$matches = array();
$value = '#123ff;';
$value = preg_replace('/&#(\d+);?/me', "chr('\\1')", $value);
echo $value;

Output
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preg_replace: documentation ( source)

preferences:dark modelive preview

38.23 ms | 402 KiB | 5 Q