PHP _str_split函数代码示例

 /**
  * Converts a UTF-8 string to an array.
  * @see http://php.net/str_split
  *
  * @author  Harry Fuecks <hfuecks@gmail.com>
  *
  * @param   string   input string
  * @param   integer  maximum length of each chunk
  * @return  array
  */
 public static function str_split($str, $split_length = 1)
 {
     if (!isset(self::$called[__FUNCTION__])) {
         require SYSPATH . 'core/utf8/' . __FUNCTION__ . EXT;
         // Function has been called
         self::$called[__FUNCTION__] = TRUE;
     }
     return _str_split($str, $split_length);
 }

 /**
  * Converts a UTF-8 string to an array.
  * @see http://php.net/str_split
  *
  * @author  Harry Fuecks <hfuecks@gmail.com>
  *
  * @param   string   input string
  * @param   integer  maximum length of each chunk
  * @return  array
  */
 public static function str_split($str, $split_length = 1)
 {
     require_once dirname(__FILE__) . '/' . __FUNCTION__ . '.php';
     return _str_split($str, $split_length);
 }

 public static function str_split($str, $split_length = 1)
 {
     if (!isset(UTF8::$called[__FUNCTION__])) {
         require JsonApiApplication::find_file("utf8", __FUNCTION__);
         // Function has been called
         UTF8::$called[__FUNCTION__] = TRUE;
     }
     return _str_split($str, $split_length);
 }

 # ------------------------------------ Same Days Conflict Start ------------------------------------------ #
 $mp_RET = DBGet(DBQuery('SELECT cp.MP,cp.MARKING_PERIOD_ID,cpv.DAYS,cpv.PERIOD_ID,cp.MARKING_PERIOD_ID,cp.TOTAL_SEATS,COALESCE(cp.FILLED_SEATS,0) AS FILLED_SEATS FROM course_periods cp,course_period_var cpv WHERE cp.COURSE_PERIOD_ID=\'' . $_SESSION['MassSchedule.php']['course_period_id'] . '\' AND cp.COURSE_PERIOD_ID=cpv.COURSE_PERIOD_ID'));
 $mps = GetAllMP(GetMPTable(GetMP($mp_RET[1]['MARKING_PERIOD_ID'], 'TABLE')), $mp_RET[1]['MARKING_PERIOD_ID']);
 $period_RET = DBGet(DBQuery('SELECT cpv.DAYS FROM schedule s,course_periods cp,course_period_var cpv WHERE cp.COURSE_PERIOD_ID=s.COURSE_PERIOD_ID AND s.STUDENT_ID=\'' . $student_id . '\' AND cp.COURSE_PERIOD_ID=cpv.COURSE_PERIOD_ID AND cpv.PERIOD_ID=\'' . $mp_RET[1]['PERIOD_ID'] . '\' AND s.MARKING_PERIOD_ID IN (' . $mps . ') AND (s.END_DATE IS NULL OR \'' . $convdate . '\'<=s.END_DATE)'));
 $ig_scheld = DBGet(DBQuery('SELECT IGNORE_SCHEDULING FROM school_periods WHERE PERIOD_ID=\'' . $mp_RET[1]['PERIOD_ID'] . '\' AND SCHOOL_ID=\'' . UserSchool() . '\''));
 $sql_dupl = 'SELECT COURSE_PERIOD_ID FROM schedule WHERE STUDENT_ID = \'' . $student_id . '\' AND COURSE_PERIOD_ID = \'' . $_SESSION['MassSchedule.php']['course_period_id'] . '\' AND (END_DATE IS NULL OR (\'' . $convdate . '\' BETWEEN START_DATE AND END_DATE)) AND SCHOOL_ID=\'' . UserSchool() . '\'';
 $rit_dupl = DBQuery($sql_dupl);
 $count_entry = mysql_num_rows($rit_dupl);
 $days_conflict = false;
 if ($count_entry < 1 && $ig_scheld[1]['IGNORE_SCHEDULING'] != 'Y') {
     foreach ($period_RET as $existing) {
         if (strlen($mp_RET[1]['DAYS']) + strlen($existing['DAYS']) > 7) {
             $days_conflict = true;
             break;
         } else {
             foreach (_str_split($mp_RET[1]['DAYS']) as $i) {
                 if (strpos($existing['DAYS'], $i) !== false) {
                     $days_conflict = true;
                     break 2;
                 }
             }
         }
     }
 }
 if ($count_entry >= 1) {
     $days_conflict = true;
 }
 if ($days_conflict) {
     $select_stu_RET = DBGet(DBQuery('SELECT FIRST_NAME,LAST_NAME FROM students WHERE STUDENT_ID=\'' . $student_id . '\''));
     $select_stu = $select_stu_RET[1]['FIRST_NAME'] . "&nbsp;" . $select_stu_RET[1]['LAST_NAME'];
     $period_res .= $select_stu . "<br>";

function VerifySchedule(&$schedule)
{
    $conflicts = array();
    $ij = count($schedule);
    for ($i = 1; $i < $ij; $i++) {
        for ($j = $i + 1; $j <= $ij; $j++) {
            if (!$conflicts[$i] || !$conflicts[$j]) {
                // the following two if's are equivalent, the second matches the 'Add a Course' logic, the first is the demorgan equivalent and easier to follow
                // if -not- marking periods don't overlap -or- dates don't overlap (i ends and j starts after i -or- j ends and i starts after j) then check further
                //if(! (strpos(GetAllMP(GetMPTable(GetMP($schedule[$i]['MARKING_PERIOD_ID'],'TABLE')),$schedule[$i]['MARKING_PERIOD_ID']),"'".$schedule[$j]['MARKING_PERIOD_ID']."'")===false
                //|| $schedule[$i]['END_EPOCH'] && $schedule[$j]['START_EPOCH']>$schedule[$i]['END_EPOCH'] || $schedule[$j]['END_EPOCH'] && $schedule[$i]['START_EPOCH']>$schedule[$j]['END_EPOCH']))
                // if marking periods overlap -and- dates overlap (i doesn't end or j starts before i ends -and- j doesn't end or i starts before j ends) check further
                if (strpos(GetAllMP(GetMPTable(GetMP($schedule[$i]['MARKING_PERIOD_ID'], 'TABLE')), $schedule[$i]['MARKING_PERIOD_ID']), "'" . $schedule[$j]['MARKING_PERIOD_ID'] . "'") !== false && (!$schedule[$i]['END_EPOCH'] || $schedule[$j]['START_EPOCH'] <= $schedule[$i]['END_EPOCH']) && (!$schedule[$j]['END_EPOCH'] || $schedule[$i]['START_EPOCH'] <= $schedule[$j]['END_EPOCH'])) {
                    // should not be enrolled in the same course with overlapping marking periods and dates
                    if ($schedule[$i]['COURSE_ID'] == $schedule[$j]['COURSE_ID']) {
                        //&& $schedule[$i]['COURSE_WEIGHT']==$schedule[$j]['COURSE_WEIGHT'])
                        $conflicts[$i] = $conflicts[$j] = true;
                    } else {
                        // if different periods then okay
                        if ($schedule[$i]['PERIOD_ID'] == $schedule[$j]['PERIOD_ID']) {
                            // should not be enrolled in the same period on the same day
                            if (strlen($schedule[$i]['DAYS']) + strlen($schedule[$j]['DAYS']) > 7) {
                                $conflicts[$i] = $conflicts[$j] = true;
                            } else {
                                foreach (_str_split($schedule[$i]['DAYS']) as $k) {
                                    if (strpos($schedule[$j]['DAYS'], $k) !== false) {
                                        $conflicts[$i] = $conflicts[$j] = true;
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    foreach ($conflicts as $i => $true) {
        $schedule[$i]['TITLE'] = '<FONT color=red>' . $schedule[$i]['TITLE'] . '</FONT>';
    }
}

 /**
  * Converts a UTF-8 string to an array
  *
  * This is a UTF8-aware version of [str_split](http://php.net/str_split).
  *
  * Example:
  * ~~~
  * $array = UTF8::str_split($str);
  * ~~~
  *
  * @author  Harry Fuecks <hfuecks@gmail.com>
  *
  * @param   string   $str           Input string
  * @param   integer  $split_length  Maximum length of each chunk [Optional]
  *
  * @return  array
  *
  * @uses    Kohana::find_file
  */
 public static function str_split($str, $split_length = 1)
 {
     UTF8::_load(__FUNCTION__);
     return _str_split($str, $split_length);
 }

 /**
  * Converts a UTF-8 string to an array. This is a UTF8-aware version of
  * [str_split](http://php.net/str_split).
  *
  *     $array = UTF8::str_split($str);
  *
  * @author  Harry Fuecks <hfuecks@gmail.com>
  *
  * @param   string  $str          input string
  * @param   integer $split_length maximum length of each chunk
  *
  * @return  array
  */
 public static function str_split($str, $split_length = 1)
 {
     if (!isset(UTF8::$called[__FUNCTION__])) {
         require Kohana::find_file('utf8', __FUNCTION__);
         // Function has been called
         UTF8::$called[__FUNCTION__] = true;
     }
     return _str_split($str, $split_length);
 }