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<?php
namespace common\components;
class Helpers {
/**
* to return num of working days between two date
* date is in format Y-m-d. by default off day is saturday and sunday
* 1 = monday, 7 = sunday
*/
public static function workingDays($dt1, $dt2, $off_day = array(6, 7)) {
$working_days = 0;
$num_days = MyDate::dateDiff($dt1, $dt2, 'd') + 1;
$date1 = new \DateTime($dt1);
for ($i = 1; $i <= $num_days; $i++) {
$day = $date1->format('N');
$is_off = false;
foreach ($off_day as $off) {
if ($day == $off) {
$is_off = true;
}
}
if (!$is_off) {
$working_days++;
}
$date1->add(new \DateInterval('P1D'));
}
return $working_days;
}
/**
* to return string date from a format to other given format
* @param <type> $from = dmy / mdy /ymd
* @param <type> $to = dmy / mdy /ymd
* @param <type> $val
* @param <string> $marker either - or /
* @return <type>
*/
public static function dateFormat($from = 'dmy', $to = 'ymd', $val = '', $marker = '-') {
if ($from == '' || $to == '' || $val == '' || $val == '0000-00-00')
return '';
if ($from == 'dmy') {
$day = substr($val, 0, 2);
$month = substr($val, 3, 2);
$year = substr($val, 6, 4);
} else if ($from == 'mdy') {
$month = substr($val, 0, 2);
$day = substr($val, 3, 2);
$year = substr($val, 6, 4);
} else if ($from == 'ymd') {
$year = substr($val, 0, 4);
$month = substr($val, 5, 2);
$day = substr($val, 8, 2);
}
if ($to == 'dmy')
return $day . $marker . $month . $marker . $year;
else if ($to == 'ymd')
return $year . $marker . $month . $marker . $day;
else if ($to == 'mdy')
return $month . $marker . $day . $marker . $year;
}
public static function monthList() {
$month = array(
'0' => '--Pilih Bulan--',
'01' => 'Jan',
'02' => 'Feb',
'03' => 'Mar',
'04' => 'Apr',
'05' => 'Mei',
'06' => 'Jun',
'07' => 'Jul',
'08' => 'Aug',
'09' => 'Sep',
'10' => 'Oct',
'11' => 'Nov',
'12' => 'Dec',
);
return $month;
}
public static function monthRange($from, $to) {
$month = array('0' => '--Sila Pilih--');
for ($i = $from; $i <= $to; $i++) {
$month[$i] = $i;
}
return $month;
}
public static function yearList($yr_show, $from_offset = 0) {
$year = array('0' => '--Pilih Tahun--');
$yr_from = date('Y') + $from_offset;
$yr_to = $yr_from - $yr_show;
for ($i = $yr_to; $i <= $yr_from; $i++) {
$year[$i] = $i;
}
return $year;
}
/**
* return perbezaan masa antara dua tarikh samada second, minit, hari, minggu, bulan, tahun
* @param string $dt_from tarikh dari i.e 01/01/2011
* @param string $dt_to tarikh hingga 30/01/2011
* @param char $time_part s=second, m=minit, h=hour, d=day, w=week, mt=month, y=year
* @return int
*/
public static function dateDiff($dt_from, $dt_to, $time_part) {
$dt_from2 = strtotime($dt_from); // date dlm second
$dt_to2 = strtotime($dt_to); // date dlm second
$sec = $dt_to2 - $dt_from2;
switch ($time_part) {
case 's' :
return $sec;
break;
case 'm' :
$min = $sec / 60;
return $min;
break;
case 'h' :
$hour = $sec / (60 * 60);
return $hour;
break;
case 'd' :
$day = $sec / (60 * 60 * 24);
return $day;
break;
case 'y' :
$year = $sec / (60 * 60 * 24 * 365.25);
return (int) $year;
break;
case 'mt' :
$month = $sec / (60 * 60 * 24 * 30);
return ceil($month); // anggaran terhampir
break;
default :
return 0;
}
}
public static function truncate($string, $width)
{
$parts = preg_split('/([\s\n\r]+)/u', $string, null, PREG_SPLIT_DELIM_CAPTURE);
$parts_count = count($parts);
$length = 0;
$last_part = 0;
for (; $last_part < $parts_count; ++$last_part) {
$length += strlen($parts[$last_part]);
if ($length > $width) { break; }
}
return implode(array_slice($parts, 0, $last_part))."...";
}
public static function jsonerrcode(int $err){
switch ($err) {
case JSON_ERROR_NONE:
return 'No errors';
break;
case JSON_ERROR_DEPTH:
return 'Maximum stack depth exceeded';
break;
case JSON_ERROR_STATE_MISMATCH:
return 'Underflow or the modes mismatch';
break;
case JSON_ERROR_CTRL_CHAR:
return 'Unexpected control character found';
break;
case JSON_ERROR_SYNTAX:
return 'Syntax error, malformed JSON';
break;
case JSON_ERROR_UTF8:
return 'Malformed UTF-8 characters, possibly incorrectly encoded';
break;
default:
return 'Unknown error';
break;
}
}
}