Class luya\web\jsonld\DurationValue

Inheritanceluya\web\jsonld\DurationValue » luya\web\jsonld\BaseValue
Available since version1.0.3

Convert Timestamp or String to duration.

Example usage:

new DurationValue(strtotime("1 hour 30 minutes", 0));

Or as string

new DurationValue("1 hour 30 minutes");

Public Methods

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Method Description Defined By
__construct() Set duration data. luya\web\jsonld\DurationValue
getValue() Get the value to assign from BaseValue. luya\web\jsonld\DurationValue

Protected Methods

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Method Description Defined By
timeToIso8601Duration() Convert time to iso date. luya\web\jsonld\DurationValue

Method Details

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__construct() public method

Set duration data.

public void __construct ( $duration )
$duration string|integer

                public function __construct($duration)
{
    $this->_duration = $duration;
}

            
getValue() public method

Get the value to assign from BaseValue.

public void getValue ( )

                public function getValue()
{
    // if its not a unix timestamp, try to convert "strtotime("1 hour 30 minutes", 0);"
    if (!is_numeric($this->_duration)) {
        $this->_duration = strtotime($this->_duration, 0);
    }
    
    return $this->timeToIso8601Duration($this->_duration);
}

            
timeToIso8601Duration() protected method

Convert time to iso date.

See also https://stackoverflow.com/a/13301472/4611030.

protected string timeToIso8601Duration ( $time )
$time integer

                protected function timeToIso8601Duration($time)
{
    $units = array(
        "Y" => 365*24*3600,
        "D" =>     24*3600,
        "H" =>        3600,
        "M" =>          60,
        "S" =>           1,
    );
    
    $str = "P";
    $istime = false;
    
    foreach ($units as $unitName => &$unit) {
        $quot  = intval($time / $unit);
        $time -= $quot * $unit;
        $unit  = $quot;
        if ($unit > 0) {
            if (!$istime && in_array($unitName, array("H", "M", "S"))) { // There may be a better way to do this
                $str .= "T";
                $istime = true;
            }
            $str .= strval($unit) . $unitName;
        }
    }
    
    return $str;
}