Laravel 5.6 updates

Travis config update

Removed HHVM script as Laravel no longer support HHVM after releasing 5.3

vendor/dragonmantank/cron-expression/src/Cron/DayOfWeekField.php

@@ -0,0 +1,170 @@
+<?php
+
+namespace Cron;
+
+use DateTime;
+use InvalidArgumentException;
+
+
+/**
+ * Day of week field.  Allows: * / , - ? L #
+ *
+ * Days of the week can be represented as a number 0-7 (0|7 = Sunday)
+ * or as a three letter string: SUN, MON, TUE, WED, THU, FRI, SAT.
+ *
+ * 'L' stands for "last". It allows you to specify constructs such as
+ * "the last Friday" of a given month.
+ *
+ * '#' is allowed for the day-of-week field, and must be followed by a
+ * number between one and five. It allows you to specify constructs such as
+ * "the second Friday" of a given month.
+ */
+class DayOfWeekField extends AbstractField
+{
+    protected $rangeStart = 0;
+    protected $rangeEnd = 7;
+
+    protected $nthRange;
+
+    protected $literals = [1 => 'MON', 2 => 'TUE', 3 => 'WED', 4 => 'THU', 5 => 'FRI', 6 => 'SAT', 7 => 'SUN'];
+
+    public function __construct()
+    {
+        $this->nthRange = range(1, 5);
+        parent::__construct();
+    }
+
+    public function isSatisfiedBy(DateTime $date, $value)
+    {
+        if ($value == '?') {
+            return true;
+        }
+
+        // Convert text day of the week values to integers
+        $value = $this->convertLiterals($value);
+
+        $currentYear = $date->format('Y');
+        $currentMonth = $date->format('m');
+        $lastDayOfMonth = $date->format('t');
+
+        // Find out if this is the last specific weekday of the month
+        if (strpos($value, 'L')) {
+            $weekday = str_replace('7', '0', substr($value, 0, strpos($value, 'L')));
+            $tdate = clone $date;
+            $tdate->setDate($currentYear, $currentMonth, $lastDayOfMonth);
+            while ($tdate->format('w') != $weekday) {
+                $tdateClone = new DateTime();
+                $tdate = $tdateClone
+                    ->setTimezone($tdate->getTimezone())
+                    ->setDate($currentYear, $currentMonth, --$lastDayOfMonth);
+            }
+
+            return $date->format('j') == $lastDayOfMonth;
+        }
+
+        // Handle # hash tokens
+        if (strpos($value, '#')) {
+            list($weekday, $nth) = explode('#', $value);
+
+            if (!is_numeric($nth)) {
+                throw new InvalidArgumentException("Hashed weekdays must be numeric, {$nth} given");
+            } else {
+                $nth = (int) $nth;
+            }
+
+            // 0 and 7 are both Sunday, however 7 matches date('N') format ISO-8601
+            if ($weekday === '0') {
+                $weekday = 7;
+            }
+
+            $weekday = $this->convertLiterals($weekday);
+
+            // Validate the hash fields
+            if ($weekday < 0 || $weekday > 7) {
+                throw new InvalidArgumentException("Weekday must be a value between 0 and 7. {$weekday} given");
+            }
+
+            if (!in_array($nth, $this->nthRange)) {
+                throw new InvalidArgumentException("There are never more than 5 or less than 1 of a given weekday in a month, {$nth} given");
+            }
+
+            // The current weekday must match the targeted weekday to proceed
+            if ($date->format('N') != $weekday) {
+                return false;
+            }
+
+            $tdate = clone $date;
+            $tdate->setDate($currentYear, $currentMonth, 1);
+            $dayCount = 0;
+            $currentDay = 1;
+            while ($currentDay < $lastDayOfMonth + 1) {
+                if ($tdate->format('N') == $weekday) {
+                    if (++$dayCount >= $nth) {
+                        break;
+                    }
+                }
+                $tdate->setDate($currentYear, $currentMonth, ++$currentDay);
+            }
+
+            return $date->format('j') == $currentDay;
+        }
+
+        // Handle day of the week values
+        if (strpos($value, '-')) {
+            $parts = explode('-', $value);
+            if ($parts[0] == '7') {
+                $parts[0] = '0';
+            } elseif ($parts[1] == '0') {
+                $parts[1] = '7';
+            }
+            $value = implode('-', $parts);
+        }
+
+        // Test to see which Sunday to use -- 0 == 7 == Sunday
+        $format = in_array(7, str_split($value)) ? 'N' : 'w';
+        $fieldValue = $date->format($format);
+
+        return $this->isSatisfied($fieldValue, $value);
+    }
+
+    public function increment(DateTime $date, $invert = false)
+    {
+        if ($invert) {
+            $date->modify('-1 day');
+            $date->setTime(23, 59, 0);
+        } else {
+            $date->modify('+1 day');
+            $date->setTime(0, 0, 0);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function validate($value)
+    {
+        $basicChecks = parent::validate($value);
+
+        if (!$basicChecks) {
+            // Handle the # value
+            if (strpos($value, '#') !== false) {
+                $chunks = explode('#', $value);
+                $chunks[0] = $this->convertLiterals($chunks[0]);
+
+                if (parent::validate($chunks[0]) && is_numeric($chunks[1]) && in_array($chunks[1], $this->nthRange)) {
+                    return true;
+                }
+            }
+
+            if (preg_match('/^(.*)L$/', $value, $matches)) {
+                return $this->validate($matches[1]);
+            }
+
+            return false;
+        }
+
+        return $basicChecks;
+    }
+}