src/core/class-papi-core-conditional-rules.php
public function rule_like( Papi_Core_Conditional_Rule $rule ) {
		$value = $this->get_value( $rule );

		if ( ! is_string( $value ) ) {
			$value = papi_convert_to_string( $value );
		}

		if ( papi_is_empty( $value ) ) {
			return false;
		}

		return strpos(
			strtolower( $value ),
			strtolower( $rule->value )
		) !== false;
	}
public function rule_like( Papi_Core_Conditional_Rule $rule ) {
		$value = $this->get_value( $rule );

		if ( ! is_string( $value ) ) {
			$value = papi_convert_to_string( $value );
		}

		if ( papi_is_empty( $value ) ) {
			return false;
		}

		return strpos(
			strtolower( $value ),
			strtolower( $rule->value )
		) !== false;
	}
Like conditional rule.

@param  Papi_Core_Conditional_Rule $rule

@return bool