437d7d1d97917cd627a34a6a0fb41136

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File name : CronExpression_AbstractField.php

Content :

<?php

/**
 * Abstract CRON expression field
 *
 * @author Michael Dowling <mtdowling@gmail.com>
 */
abstract class CronExpression_AbstractField implements CronExpression_FieldInterface
{
    /**
     * Check to see if a field is satisfied by a value
     *
     * @param string $dateValue Date value to check
     * @param string $value     Value to test
     *
     * @return bool
     */
    public function isSatisfied($dateValue, $value)
    {
        if ($this->isIncrementsOfRanges($value)) {
            return $this->isInIncrementsOfRanges($dateValue, $value);
        } elseif ($this->isRange($value)) {
            return $this->isInRange($dateValue, $value);
        }

return $value == '*' || $dateValue == $value;
    }

/**
     * Check if a value is a range
     *
     * @param string $value Value to test
     *
     * @return bool
     */
    public function isRange($value)
    {
        return strpos($value, '-') !== false;
    }

/**
     * Check if a value is an increments of ranges
     *
     * @param string $value Value to test
     *
     * @return bool
     */
    public function isIncrementsOfRanges($value)
    {
        return strpos($value, '/') !== false;
    }

/**
     * Test if a value is within a range
     *
     * @param string $dateValue Set date value
     * @param string $value     Value to test
     *
     * @return bool
     */
    public function isInRange($dateValue, $value)
    {
        $parts = array_map('trim', explode('-', $value, 2));

return $dateValue >= $parts[0] && $dateValue <= $parts[1];
    }

/**
     * Test if a value is within an increments of ranges (offset[-to]/step size)
     *
     * @param string $dateValue Set date value
     * @param string $value     Value to test
     *
     * @return bool
     */
    public function isInIncrementsOfRanges($dateValue, $value)
    {
        $parts = array_map('trim', explode('/', $value, 2));
        $stepSize = isset($parts[1]) ? $parts[1] : 0;
        if ($parts[0] == '*' || $parts[0] === '0') {
            return (int) $dateValue % $stepSize == 0;
        }

$range = explode('-', $parts[0], 2);
        $offset = $range[0];
        $to = isset($range[1]) ? $range[1] : $dateValue;
        // Ensure that the date value is within the range
        if ($dateValue < $offset || $dateValue > $to) {
            return false;
        }

for ($i = $offset; $i <= $to; $i+= $stepSize) {
            if ($i == $dateValue) {
                return true;
            }
        }

return false;
    }
}

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