00-ideal-path.php

<?php

private function load_dates() {

	$options        = get_option( 'acme_date_options' );
	$event_settings = $options['event'];

	$import    = $event_settings['import'];
	$post_type = $event_settings['post-type'];

	if ( ( 0 === strcmp( 'yes', $import ) ) && ( 0 === strcmp( 'events', $post_type ) ) ) {
		// This is where you take whatever action you want.
	}
}

02-defensive-coding.php

<?php

private function load_dates() {

	$options = get_option( 'acme_date_options' );
  	if ( ! isset( $options['event'] ) ) {
    		return;
  	}
  
	$event_settings = $options['event'];
	if ( ! isset( $event_settings['import'] ) || ! isset( $event_settings['post-type'] ) ) {
		return;
	}
  
	$import    = $event_settings['import'];
	$post_type = $event_settings['post-type'];

	if ( ( 0 === strcmp( 'yes', $import ) ) && ( 0 === strcmp( 'events', $post_type ) ) ) {
		// This is where you take whatever action you want.
	}
}

03-consolidation.php

<?php

private function has_valid_option( $option ) {
  return isset( $option );
}

private function has_valid_values( $value1, $value2 ) {
  return ! ( isset( $value1 ) && isset( $value2 ) );
}

private function can_import_data( $value1, $value2 ) {
	
	return
		( 0 === strcmp( 'yes', $value1 ) ) &&
		( 0 === strcmp( 'events', $value2 ) );
}

04-final-function.php

<?php

private function load_dates() {

	$options = get_option( 'acme_date_options' );
  	if ( ! $this->has_valid_option( $options ) ) {
		return;
  	}
  
	$event_settings = $options['event'];
  	if ( ! $this->has_valid_values( $event_settings['import'], $event_settings['post-type'] ) ) {
		return;
  	}
  
	$import    = $event_settings['import'];
	$post_type = $event_settings['post-type'];

	if ( $this->can_import_data( $import, $post_type ) ) {
		// This is where you take whatever action you want.
	}
}