85 lines
2.4 KiB
PHP
85 lines
2.4 KiB
PHP
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<?php
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namespace RssLib\Classes;
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use InvalidArgumentException;
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use SimpleXMLElement;
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class Utilities
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{
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/**
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* Attempts to parse a string into a timestamp
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*
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* @param string $input
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* @return int
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*/
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public static function parseTimestamp(string $input): int
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{
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$timestamp = strtotime($input);
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if($timestamp === false)
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{
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throw new InvalidArgumentException(sprintf('Invalid timestamp %s', $input));
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}
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return $timestamp;
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}
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/**
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* Converts a SimpleXMLElement to an array representation
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*
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* @param SimpleXMLElement $element
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* @return array
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* @noinspection UnknownInspectionInspection
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*/
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public static function xmlToArray(SimpleXMLElement $element): array
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{
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$array = [];
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if ($element->attributes())
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{
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foreach ($element->attributes() as $name => $value)
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{
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$array[$element->getName() . '_' . $name] = (string)$value;
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}
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if (trim((string)$element) !== '')
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{
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$array[$element->getName()] = trim((string)$element);
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}
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}
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// Handle child elements
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$items = [];
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foreach ($element->children() as $child)
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{
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$value = ($child->count() > 0 || $child->attributes()) ? self::xmlToArray($child) : (string)$child;
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if ($child->getName() === 'item')
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{
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$items[] = $value;
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}
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else if (isset($array[$child->getName()]))
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{
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if (!is_array($array[$child->getName()]))
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{
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$array[$child->getName()] = [$array[$child->getName()]];
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}
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/** @noinspection UnsupportedStringOffsetOperationsInspection */
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$array[$child->getName()][] = $value;
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}
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else
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{
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$array[$child->getName()] = $value;
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}
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}
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if (!empty($items))
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{
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$array['item'] = $items;
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}
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return $array;
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}
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}
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