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<?php class StringTools { public function __construct(){} static function urlEncode($s) { return rawurlencode($s); } static function urlDecode($s) { return urldecode($s); } static function htmlEscape($s) { return _hx_explode(">", _hx_explode("<", _hx_explode("&", $s)->join("&"))->join("<"))->join(">"); } static function htmlUnescape($s) { return htmlspecialchars_decode($s); } static function startsWith($s, $start) { return strlen($s) >= strlen($start) && _hx_substr($s, 0, strlen($start)) === $start; } static function endsWith($s, $end) { $elen = strlen($end); $slen = strlen($s); return $slen >= $elen && _hx_substr($s, $slen - $elen, $elen) === $end; } static function isSpace($s, $pos) { $c = _hx_char_code_at($s, $pos); return $c >= 9 && $c <= 13 || $c === 32; } static function ltrim($s) { return ltrim($s); } static function rtrim($s) { return rtrim($s); } static function trim($s) { return trim($s); } static function rpad($s, $c, $l) { return str_pad($s, $l, $c, STR_PAD_RIGHT); } static function lpad($s, $c, $l) { return str_pad($s, $l, $c, STR_PAD_LEFT); } static function replace($s, $sub, $by) { return str_replace($sub, $by, $s); } static function hex($n, $digits = null) { $s = dechex($n); if($digits !== null) { $s = str_pad($s, $digits, "0", STR_PAD_LEFT); } return strtoupper($s); } static function fastCodeAt($s, $index) { return ord(substr($s,$index,1)); } static function isEOF($c) { return ($c === 0); } function __toString() { return 'StringTools'; } }