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<?php $n = '1,512,523'; function parseFloat($ptString) { if (strlen($ptString) == 0) { return false; } $pString = str_replace(" ", "", $ptString); if (substr_count($pString, ",") > 1) $pString = str_replace(",", "", $pString); if (substr_count($pString, ".") > 1) $pString = str_replace(".", "", $pString); $pregResult = array(); $commaset = strpos($pString,','); if ($commaset === false) {$commaset = -1;} $pointset = strpos($pString,'.'); if ($pointset === false) {$pointset = -1;} $pregResultA = array(); $pregResultB = array(); if ($pointset < $commaset) { preg_match('#(([-]?[0-9]+(\.[0-9])?)+(,[0-9]+)?)#', $pString, $pregResultA); } preg_match('#(([-]?[0-9]+(,[0-9])?)+(\.[0-9]+)?)#', $pString, $pregResultB); if ((isset($pregResultA[0]) && (!isset($pregResultB[0]) || @strstr($preResultA[0],$pregResultB[0]) == 0 || !$pointset))) { $numberString = $pregResultA[0]; $numberString = str_replace('.','',$numberString); $numberString = str_replace(',','.',$numberString); } elseif (isset($pregResultB[0]) && (!isset($pregResultA[0]) || @strstr($pregResultB[0],$preResultA[0]) == 0 || !$commaset)) { $numberString = $pregResultB[0]; $numberString = str_replace(',','',$numberString); } else { return false; } $result = (float)$numberString; return $result; } echo parseFloat($n);

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