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<?php
/** Select foreign key in edit form
* @link https://www.adminer.org/plugins/#use
* @author Jakub Vrana, https://www.vrana.cz/
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
*/
class AdminerEditForeign {
var $_limit;
function __construct($limit = 0) {
$this->_limit = $limit;
}
function editInput($table, $field, $attrs, $value) {
static $foreignTables = array();
static $values = array();
$foreignKeys = &$foreignTables[$table];
if ($foreignKeys === null) {
$foreignKeys = column_foreign_keys($table);
}
foreach ((array) $foreignKeys[$field["field"]] as $foreignKey) {
if (count($foreignKey["source"]) == 1) {
$target = $foreignKey["table"];
$id = $foreignKey["target"][0];
$options = &$values[$target][$id];
if (!$options) {
$column = idf_escape($id);
if (preg_match('~binary~', $field["type"])) {
$column = "HEX($column)";
}
$options = array("" => "") + get_vals("SELECT $column FROM " . table($target) . " ORDER BY 1" . ($this->_limit ? " LIMIT " . ($this->_limit + 1) : ""));
if ($this->_limit && count($options) - 1 > $this->_limit) {
return;
}
}
return "<select$attrs>" . optionlist($options, $value) . "</select>";
}
}
}
}