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<?php |
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/** |
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* Class Support. |
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*/ |
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namespace Zhaqq\Xlsx; |
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/** |
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* Class Support. |
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*/ |
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class Support |
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{ |
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/** |
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* @param int $rowNumber |
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* @param int $columnNumber |
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* @param bool $absolute |
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* |
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* @return string |
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*/ |
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public static function xlsCell(int $rowNumber, int $columnNumber, bool $absolute = false) |
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{ |
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$n = $columnNumber; |
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for ($r = ''; $n >= 0; $n = intval($n / 26) - 1) { |
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$r = chr($n % 26 + 0x41).$r; |
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} |
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if ($absolute) { |
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return '$'.$r.'$'.($rowNumber + 1); |
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} |
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return $r.($rowNumber + 1); |
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} |
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/** |
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* @param $numFormat |
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* |
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* @return string |
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*/ |
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public static function numberFormatStandardized($numFormat) |
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{ |
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if ('money' == $numFormat) { |
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$numFormat = 'dollar'; |
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} |
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if ('number' == $numFormat) { |
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$numFormat = 'integer'; |
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} |
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switch ($numFormat) { |
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case 'string': |
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$numFormat = '@'; |
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break; |
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case 'integer': |
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$numFormat = '0'; |
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break; |
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case 'date': |
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$numFormat = 'YYYY-MM-DD'; |
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break; |
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case 'datetime': |
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$numFormat = 'YYYY-MM-DD HH:MM:SS'; |
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break; |
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case 'price': |
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$numFormat = '#,##0.00'; |
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break; |
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case 'float3': |
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$numFormat = '#,###0.000'; |
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break; |
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case 'dollar': |
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$numFormat = '[$$-1009]#,##0.00;[RED]-[$$-1009]#,##0.00'; |
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break; |
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case 'euro': |
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$numFormat = '#,##0.00 [$€-407];[RED]-#,##0.00 [$€-407]'; |
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break; |
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} |
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$ignoreUntil = ''; |
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$escaped = ''; |
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for ($i = 0, $ix = strlen($numFormat); $i < $ix; ++$i) { |
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$c = $numFormat[$i]; |
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if ('' == $ignoreUntil && '[' == $c) { |
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$ignoreUntil = ']'; |
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} elseif ('' == $ignoreUntil && '"' == $c) { |
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$ignoreUntil = '"'; |
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} elseif ($ignoreUntil == $c) { |
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$ignoreUntil = ''; |
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} |
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if ('' == $ignoreUntil && (' ' == $c || '-' == $c || '(' == $c || ')' == $c) && (0 == $i || '_' != $numFormat[$i - 1])) { |
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$escaped .= '\\'.$c; |
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} else { |
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$escaped .= $c; |
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} |
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} |
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return $escaped; |
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} |
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public static function determineNumberFormatType($numFormat, $function = false) |
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{ |
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$numFormat = preg_replace("/\[(Black|Blue|Cyan|Green|Magenta|Red|White|Yellow)\]/i", '', $numFormat); |
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switch ($numFormat) { |
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case 'GENERAL': |
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return 'n_auto'; |
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case '@': |
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return 'n_string'; |
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case '0': |
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return 'n_numeric'; |
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case 0 != preg_match('/[H]{1,2}:[M]{1,2}(?![^"]*+")/i', $numFormat): |
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case 0 != preg_match('/[M]{1,2}:[S]{1,2}(?![^"]*+")/i', $numFormat): |
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return 'n_datetime'; |
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case 0 != preg_match('/[Y]{2,4}(?![^"]*+")/i', $numFormat): |
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case 0 != preg_match('/[D]{1,2}(?![^"]*+")/i', $numFormat): |
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case 0 != preg_match('/[M]{1,2}(?![^"]*+")/i', $numFormat): |
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return 'n_date'; |
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case 0 != preg_match('/$(?![^"]*+")/', $numFormat): |
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case 0 != preg_match('/%(?![^"]*+")/', $numFormat): |
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case 0 != preg_match('/0(?![^"]*+")/', $numFormat): |
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return 'n_numeric'; |
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default: |
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return 'n_auto'; |
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} |
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} |
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/** |
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* @param $haystack |
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* @param $needle |
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* |
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* @return false|int|string |
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*/ |
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public static function add2listGetIndex(&$haystack, $needle) |
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{ |
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$existingIdx = array_search($needle, $haystack, $strict = true); |
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if (false === $existingIdx) { |
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$existingIdx = count($haystack); |
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$haystack[] = $needle; |
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} |
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return $existingIdx; |
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} |
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/** |
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* @param $val |
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* |
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* @return string |
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*/ |
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public static function xmlSpecialChars($val) |
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{ |
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//note, badchars does not include \t\n\r (\x09\x0a\x0d) |
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static $badchars = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x0b\x0c\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f"; |
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static $goodchars = ' '; |
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return strtr(htmlspecialchars($val, ENT_QUOTES | ENT_XML1), $badchars, $goodchars); //strtr appears to be faster than str_replace |
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} |
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/** |
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* @param $dateInput |
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* |
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* @return float|int |
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*/ |
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public static function convertDateTime($dateInput) |
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{ |
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$seconds = 0; // Time expressed as fraction of 24h hours in seconds |
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$year = $month = $day = 0; |
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$date_time = $dateInput; |
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if (preg_match("/(\d{4})\-(\d{2})\-(\d{2})/", $date_time, $matches)) { |
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list($junk, $year, $month, $day) = $matches; |
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} |
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if (preg_match("/(\d+):(\d{2}):(\d{2})/", $date_time, $matches)) { |
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list($junk, $hour, $min, $sec) = $matches; |
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$seconds = ($hour * 60 * 60 + $min * 60 + $sec) / (24 * 60 * 60); |
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} |
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unset($junk); |
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//using 1900 as epoch, not 1904, ignoring 1904 special case |
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// Special cases for Excel. |
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if ('1899-12-31' == "$year-$month-$day") { |
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return $seconds; |
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} // Excel 1900 epoch |
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if ('1900-01-00' == "$year-$month-$day") { |
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return $seconds; |
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} // Excel 1900 epoch |
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if ('1900-02-29' == "$year-$month-$day") { |
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return 60 + $seconds; |
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} // Excel false leapday |
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// We calculate the date by calculating the number of days since the epoch |
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// and adjust for the number of leap days. We calculate the number of leap |
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// days by normalising the year in relation to the epoch. Thus the year 2000 |
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// becomes 100 for 4 and 100 year leapdays and 400 for 400 year leapdays. |
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$epoch = 1900; |
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$offset = 0; |
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$norm = 300; |
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$range = $year - $epoch; |
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// Set month days and check for leap year. |
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$leap = ((0 == $year % 400) || ((0 == $year % 4) && ($year % 100))) ? 1 : 0; |
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$mdays = [31, ($leap ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; |
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// Some boundary checks |
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if ($year < $epoch || $year > 9999) { |
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return 0; |
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} |
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if ($month < 1 || $month > 12) { |
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return 0; |
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} |
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if ($day < 1 || $day > $mdays[$month - 1]) { |
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return 0; |
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} |
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// Accumulate the number of days since the epoch. |
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$days = $day; // Add days for current month |
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$days += array_sum(array_slice($mdays, 0, $month - 1)); // Add days for past months |
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$days += $range * 365; // Add days for past years |
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$days += intval(($range) / 4); // Add leapdays |
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$days -= intval(($range + $offset) / 100); // Subtract 100 year leapdays |
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$days += intval(($range + $offset + $norm) / 400); // Add 400 year leapdays |
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$days -= $leap; // Already counted above |
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// Adjust for Excel erroneously treating 1900 as a leap year. |
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if ($days > 59) { |
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++$days; |
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} |
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return $days + $seconds; |
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} |
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public static function sanitizeSheetname($sheetname) |
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{ |
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static $badchars = '\\/?*:[]'; |
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static $goodchars = ' '; |
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$sheetname = strtr($sheetname, $badchars, $goodchars); |
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$sheetname = mb_substr($sheetname, 0, 31); |
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$sheetname = trim(trim(trim($sheetname), "'")); //trim before and after trimming single quotes |
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return !empty($sheetname) ? $sheetname : 'Sheet'.((rand() % 900) + 100); |
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} |
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} |
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viliy /
xlsx-writer
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.