sequence; } /** * Gets the sequence sorted from the minimum value to the maximum value. * * @return array as the sorted sequence. */ public function getSortedSequence() { $result = []; for ($i = $this->min; $i <= $this->max; $i++) { $result += [$i => 0]; } foreach ($this->sequence as $value) { if (isset($result[$value])) { $result[$value]++; } } return $result; } /** * Gets the html representation of the histogram. * * @return string as html ul list representing the histogram. */ public function getHtml() { $sortedSequence = $this->getSortedSequence(); $result = '

'; foreach ($sortedSequence as $key => $value) { $result .= '
• ' . $key . '. '; for ($i = 0; $i < $value; $i++) { $result .= '*'; } $result .= '
'; } $result .= '

'; return $result; } /** * Inject the object to use as base for the histogram data. * * @param IHistogram $object The object holding the sequence. * * @return void. */ public function injectData(IHistogram $object) { $this->sequence = $object->getHistogramSequence(); $this->min = $object->getHistogramMin(); $this->max = $object->getHistogramMax(); } }