/**
* Set the default value of the option
* @api
* @alias default
* @param mixed $default The default value for the option
* @param null|string $display The default value shown in help information
* If null given, will show json_encode($default).
* i.e. false will be shown as "false" instead of an empty string
* @return Option $this
*/
public function default_($default, $display = null)
{
if ($this->type == 'flag') {
Helper::throwEx("Default value is not allowed for flag option, use bool option instead.");
}
$this->default = $default;
if ($this->type == 'bool') {
if (is_bool($default)) {
$this->default = $default;
} elseif (Helper::isTrue($default)) {
$this->default = true;
} elseif (Helper::isFalse($default)) {
$this->default = false;
} else {
Helper::throwEx("Invalid bool value: {$default} for option -{$this->name}");
}
}
if ($this->type == 'incr') {
if (!preg_match("/^\\d+\$/", $default)) {
Helper::throwEx("Value for increment option -{$this->name} should be an integer.");
} elseif ($default < 0 or $default > $this->incrMax) {
Helper::throwEx("Value for increment option -{$this->name} should be from 0 to {$this->incrMax}.");
}
}
if (is_null($display)) {
$display = @json_encode($this->default);
}
$this->defaultStr = $display;
return $this;
}
