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<?php
namespace dokuwiki\plugin\config\core\Setting;
/**
* Class setting_numeric
*/
class SettingNumeric extends SettingString
{
// This allows for many PHP syntax errors...
// var $_pattern = '/^[-+\/*0-9 ]*$/';
// much more restrictive, but should eliminate syntax errors.
protected $pattern = '/^[-+]? *\d+ *(?:[-+*] *\d+ *)*$/';
protected $min;
protected $max;
/** @inheritdoc */
public function update($input)
{
$local = $this->local;
$valid = parent::update($input);
if ($valid && !(is_null($this->min) && is_null($this->max))) {
$numeric_local = (int) eval('return ' . $this->local . ';');
if (
(!is_null($this->min) && $numeric_local < $this->min) ||
(!is_null($this->max) && $numeric_local > $this->max)
) {
$this->error = true;
$this->input = $input;
$this->local = $local;
$valid = false;
}
}
return $valid;
}
/** @inheritdoc */
public function out($var, $fmt = 'php')
{
if ($fmt != 'php') return '';
$local = $this->local === '' ? "''" : $this->local;
$out = '$' . $var . "['" . $this->getArrayKey() . "'] = " . $local . ";\n";
return $out;
}
}
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