104 lines
2.5 KiB
PHP
104 lines
2.5 KiB
PHP
<?php
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/**
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* hold the ListAbstract base class
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use ArrayObject;
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use function htmlspecialchars;
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use function in_array;
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/**
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* Generic list class
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*
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* @todo add caching
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* @abstract
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*/
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abstract class ListAbstract extends ArrayObject
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{
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/** @var mixed empty item */
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protected $item_empty = '';
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/**
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* defines what is an empty item (0, '', false or null)
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*
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* @return mixed an empty item
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*/
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public function getEmpty()
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{
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return $this->item_empty;
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}
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/**
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* checks if the given db names exists in the current list, if there is
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* missing at least one item it returns false otherwise true
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*
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* @param mixed[] ...$params params
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*
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* @return bool true if all items exists, otherwise false
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*/
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public function exists(...$params)
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{
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$this_elements = $this->getArrayCopy();
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foreach ($params as $result) {
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if (! in_array($result, $this_elements)) {
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return false;
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}
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}
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return true;
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}
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/**
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* returns HTML <option>-tags to be used inside <select></select>
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*
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* @param string|true $selected the selected db or true for
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* selecting current db
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* @param bool $include_information_schema whether include information schema
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*
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* @return string HTML option tags
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*/
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public function getHtmlOptions(
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$selected = '',
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$include_information_schema = true
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) {
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if ($selected === true) {
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$selected = $this->getDefault();
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}
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$options = '';
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foreach ($this as $each_item) {
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if ($include_information_schema === false
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&& $GLOBALS['dbi']->isSystemSchema($each_item)
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) {
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continue;
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}
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$options .= '<option value="' . htmlspecialchars($each_item) . '"';
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if ($selected === $each_item) {
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$options .= ' selected="selected"';
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}
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$options .= '>' . htmlspecialchars($each_item) . '</option>' . "\n";
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}
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return $options;
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}
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/**
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* returns default item
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*
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* @return string default item
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*/
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public function getDefault()
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{
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return $this->getEmpty();
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}
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/**
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* builds up the list
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*
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* @return void
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*/
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abstract public function build();
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}
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