biostor/fingerprint.php at master · rdmpage/biostor · GitHub

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<?php

function finger_print ($str)
{
	// Convert accented characters
	$str = strtr(utf8_decode($str),
			utf8_decode("ÀÁÂÃÄÅàáâãäåĀāĂăĄąÇçĆćĈĉĊċČčÐðĎďĐđÈÉÊËèéêëĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħÌÍÎÏìíîïĨĩĪīĬĭĮįİıĴĵĶķĸĹĺĻļĽľĿŀŁłÑñŃńŅņŇňŉŊŋÒÓÔÕÖØòóôõöøŌōŎŏŐőŔŕŖŗŘřŚśŜŝŞşŠšſŢţŤťŦŧÙÚÛÜùúûüŨũŪūŬŭŮůŰűŲųŴŵÝýÿŶŷŸŹźŻżŽž"),
			"aaaaaaaaaaaaaaaaaaccccccccccddddddeeeeeeeeeeeeeeeeeegggggggghhhhiiiiiiiiiiiiiiiiiijjkkkllllllllllnnnnnnnnnnnoooooooooooooooooorrrrrrsssssssssttttttuuuuuuuuuuuuuuuuuuuuwwyyyyyyzzzzzz");

	$str = utf8_encode($str);

	// lowercase
	$str = strtolower($str);

	// normalise space
	$str = preg_replace('/\s\s+/', ' ', $str);

	// strip punctuation
	$str = preg_replace('/[,|\.|\(|\)|-]/', '', $str);

	// strip and|&
	$str = preg_replace('/ and /', ' ', $str);
	$str = preg_replace('/ & /', ' ', $str);

	return $str;
}

?>