34 lines
1.1 KiB
PHP
34 lines
1.1 KiB
PHP
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<?PHP
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class shiftCycle {
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public $timestamp;
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public $daysSince;
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public $cyclesSince;
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public $cyclePart;
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public $currentShift;
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function __construct($conf){
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$dtz = new DateTimeZone($conf['timeZone']);
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$dt = new DateTime('now', $dtz); //DateTime object set to defined TZ
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$this->timestamp = $dt->format('U');
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$adj = ($this->timestamp - ($this->timeToSeconds($conf['startTime']))); //align shift start change to midnight.
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$this->daysSince = floor($adj / 86400); //Whole days since EPOCH
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$this->cyclesSince = floor(($this->daysSince / 3)*10)/10; //Cycles since EPOCH
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$this->cyclePart = floor(((($this->cyclesSince - floor($this->cyclesSince)) * 10) / count($conf['shifts']))); //Day in cycle
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$this->currentShift = $conf['shifts'][$this->cyclePart]; //Current Shift
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}
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private function timeToSeconds($time){ // returns 24-hour time into seconds since midnight
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$hm1 = explode(':', $time); // split hours and minutes
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$hm2 = $hm1[0] + round($hm1[1] / 60, 2); // determine number of hours since midnight
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$hm3 = $hm2 * 3600; // convert hours to seconds
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return $hm3;
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}
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}
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?>
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