src/core/class-papi-core-property.php
public function set_setting( $key, $value ) {
		if ( isset( $this->options->settings, $this->options->settings->$key ) ) {
			$this->options->settings->$key = $value;
		}
	}
public function set_setting( $key, $value ) {
		if ( isset( $this->options->settings, $this->options->settings->$key ) ) {
			$this->options->settings->$key = $value;
		}
	}
Set property setting value.

@param string $key
@param mixed  $value