/**
* Get the dates corresponding to one week, month and year from the start date
*
* @return array ('week'=>$week,'month'=>$month,'year'=>$year)
*
* @todo When support is dropped for php 5.1, switch to simpler code
*/
public function calculate_dates_out()
{
list($year, $month, $day) = explode('-', $this->start_date);
$year_out = carl_mktime(0, 0, 0, $month, $day, $year + 1);
$month_out = carl_mktime(0, 0, 0, $month + 1, $day, $year);
$week_out = carl_mktime(0, 0, 0, $month, $day + 7, $year);
/*
// Note: this is simpler code, but it won't support dates outside
// the Unix era until support for 5.1- is dropped.
$u_start = prettify_mysql_datetime($this->start_date,'U');
$year_out = strtotime('+1 year',$u_start);
$month_out = strtotime('+1 month',$u_start);
$week_out = strtotime('+1 week',$u_start); */
$week = carl_date('Y-m-d', $week_out);
$month = carl_date('Y-m-d', $month_out);
$year = carl_date('Y-m-d', $year_out);
return array('week' => $week, 'month' => $month, 'year' => $year);
}
function mysql_date_to_unix($md)
{
preg_match('/^([0-9]{4})-([0-9]{1,2})-([0-9][0-9]{1,2})$/', $md, $matches);
return carl_mktime(0, 0, 0, $matches[2], $matches[3], $matches[1]);
}
/**
* Convert a MySQL DATETIME field to a UNIX timestamp.
* @param string
* @return int or false if conversion fails
* @see carl_mktime
* @author Eric Naeseth
*/
function mysql_datetime_to_unix($dt)
{
$year = $month = $day = $hour = $minute = $second = '';
// y/m/d: if zero, subsequent values must be empty
if ($year = substr($dt, 0, 4)) {
if ($month = substr($dt, 5, 2)) {
if ($day = substr($dt, 8, 2)) {
// h/m/s: can be zero with subsequent items being nonzero integers
$hour = substr($dt, 11, 2);
$minute = substr($dt, 14, 2);
$second = substr($dt, 17, 2);
}
}
}
// check for all 0s (an empty date)
return (int) $year && (int) $month && (int) $day ? carl_mktime($hour, $minute, $second, $month, $day, $year) : false;
}
function get()
{
$all_fields_empty = true;
foreach ($this->use_fields as $field_name) {
if (!empty($this->{$field_name}) && $field_name != 'ampm') {
$all_fields_empty = false;
break;
}
}
if ($all_fields_empty) {
$date = false;
//used to be 0; changed so that disco notices if this has no value.
} else {
if (in_array('hour', $this->use_fields)) {
if ($this->hour == 12) {
if ($this->ampm == 'am') {
$this->hour = 0;
} else {
$this->hour = 12;
}
} else {
// if PM is chosen, make sure to add 12 hours
if ($this->ampm == 'pm' and $this->hour < 12) {
$this->hour = $this->hour + 12;
}
}
}
$date_format = $this->date_format;
//if the day isn't set, give it a value while making the timestamp so that carl_maketime() doesn't increment back.
//just make sure that it's not part of the date format when we're formatting the date from the timestamp.
if (empty($this->day)) {
$this->day = 1;
$date_format = str_replace('-d', '', $date_format);
}
//if the month isn't set, give it a value while making the timestamp so that carl_maketime() doesn't increment back.
//just make sure that it's not part of the date format when we're formatting the date from the timestamp.
if (empty($this->month)) {
$this->month = 1;
$date_format = str_replace('-m', '', $date_format);
}
$timestamp = carl_mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year);
$date = carl_date($date_format, $timestamp);
}
return $date;
}
