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<?php $string = "mozzzaaaaaarelaaaaaa"; $string = preg_replace('/^-+/','',$string); echo $string; function setString($phrase, $length = null) { $result = strtolower($phrase); $result = trim(preg_replace("/[^0-9a-zA-Z-]/", "-", $result)); $result = preg_replace("/--+/", "-", $result); $result = !empty($length) ? substr($result, 0, $length) : $result; // remove hyphen from the beginning (if exists) $first_char = substr($result, 0, 1); $result = $first_char == "-" ? substr($result, 1) : $result; // remove hyphen from the end (if exists) $last_char = substr($result, -1); $result = $last_char == "-" ? substr($result, 0, -1) : $result; return $result; } echo setString($string);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
mozzzaaaaaarelaaaaaamozzzaaaaaarelaaaaaa

preferences:
229.07 ms | 406 KiB | 311 Q