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rest_validate_value_from_schema ›

Since4.7.0
Deprecatedn/a
rest_validate_value_from_schema ( $value, $args, $param = '' )
Parameters: (3)
  • (mixed) $value The value to validate.
    Required: Yes
  • (array) $args Schema array to use for validation.
    Required: Yes
  • (string) $param The parameter name, used in error messages.
    Required: No
    Default: (empty)
Returns:
  • (bool|WP_Error)
Defined at:
Codex:
Change Log:
  • 4.9.0
  • 5.2.0
  • 5.3.0
  • 5.4.0
  • 5.5.0

Validate a value based on a schema.



Source

function rest_validate_value_from_schema( $value, $args, $param = '' ) {
	if ( is_array( $args['type'] ) ) {
		foreach ( $args['type'] as $type ) {
			$type_args         = $args;
			$type_args['type'] = $type;

			if ( true === rest_validate_value_from_schema( $value, $type_args, $param ) ) {
				return true;
			}
		}

		/* translators: 1: Parameter, 2: List of types. */
		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, implode( ',', $args['type'] ) ) );
	}

	if ( 'array' === $args['type'] ) {
		if ( ! is_null( $value ) ) {
			$value = wp_parse_list( $value );
		}

		if ( ! wp_is_numeric_array( $value ) ) {
			/* translators: 1: Parameter, 2: Type name. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'array' ) );
		}

		foreach ( $value as $index => $v ) {
			$is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' );
			if ( is_wp_error( $is_valid ) ) {
				return $is_valid;
			}
		}

		if ( isset( $args['minItems'] ) && count( $value ) < $args['minItems'] ) {
			/* translators: 1: Parameter, 2: Number. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must contain at least %2$s items.' ), $param, number_format_i18n( $args['minItems'] ) ) );
		}

		if ( isset( $args['maxItems'] ) && count( $value ) > $args['maxItems'] ) {
			/* translators: 1: Parameter, 2: Number. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must contain at most %2$s items.' ), $param, number_format_i18n( $args['maxItems'] ) ) );
		}
	}

	if ( 'object' === $args['type'] ) {
		if ( '' === $value ) {
			$value = array();
		}

		if ( $value instanceof stdClass ) {
			$value = (array) $value;
		}

		if ( $value instanceof JsonSerializable ) {
			$value = $value->jsonSerialize();
		}

		if ( ! is_array( $value ) ) {
			/* translators: 1: Parameter, 2: Type name. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'object' ) );
		}

		if ( isset( $args['required'] ) && is_array( $args['required'] ) ) { // schema version 4
			foreach ( $args['required'] as $name ) {
				if ( ! array_key_exists( $name, $value ) ) {
					/* translators: 1: Property of an object, 2: Parameter. */
					return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) );
				}
			}
		} elseif ( isset( $args['properties'] ) ) { // schema version 3
			foreach ( $args['properties'] as $name => $property ) {
				if ( isset( $property['required'] ) && true === $property['required'] && ! array_key_exists( $name, $value ) ) {
					/* translators: 1: Property of an object, 2: Parameter. */
					return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) );
				}
			}
		}

		foreach ( $value as $property => $v ) {
			if ( isset( $args['properties'][ $property ] ) ) {
				$is_valid = rest_validate_value_from_schema( $v, $args['properties'][ $property ], $param . '[' . $property . ']' );
				if ( is_wp_error( $is_valid ) ) {
					return $is_valid;
				}
			} elseif ( isset( $args['additionalProperties'] ) ) {
				if ( false === $args['additionalProperties'] ) {
					/* translators: %s: Property of an object. */
					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
				}

				if ( is_array( $args['additionalProperties'] ) ) {
					$is_valid = rest_validate_value_from_schema( $v, $args['additionalProperties'], $param . '[' . $property . ']' );
					if ( is_wp_error( $is_valid ) ) {
						return $is_valid;
					}
				}
			}
		}
	}

	if ( 'null' === $args['type'] ) {
		if ( null !== $value ) {
			/* translators: 1: Parameter, 2: Type name. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'null' ) );
		}

		return true;
	}

	if ( ! empty( $args['enum'] ) ) {
		if ( ! in_array( $value, $args['enum'], true ) ) {
			/* translators: 1: Parameter, 2: List of valid values. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not one of %2$s.' ), $param, implode( ', ', $args['enum'] ) ) );
		}
	}

	if ( in_array( $args['type'], array( 'integer', 'number' ), true ) && ! is_numeric( $value ) ) {
		/* translators: 1: Parameter, 2: Type name. */
		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, $args['type'] ) );
	}

	if ( 'integer' === $args['type'] && round( floatval( $value ) ) !== floatval( $value ) ) {
		/* translators: 1: Parameter, 2: Type name. */
		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'integer' ) );
	}

	if ( 'boolean' === $args['type'] && ! rest_is_boolean( $value ) ) {
		/* translators: 1: Parameter, 2: Type name. */
		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'boolean' ) );
	}

	if ( 'string' === $args['type'] ) {
		if ( ! is_string( $value ) ) {
			/* translators: 1: Parameter, 2: Type name. */
			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'string' ) );
		}

		if ( isset( $args['minLength'] ) && mb_strlen( $value ) < $args['minLength'] ) {
			return new WP_Error(
				'rest_invalid_param',
				sprintf(
					/* translators: 1: Parameter, 2: Number of characters. */
					_n( '%1$s must be at least %2$s character long.', '%1$s must be at least %2$s characters long.', $args['minLength'] ),
					$param,
					number_format_i18n( $args['minLength'] )
				)
			);
		}

		if ( isset( $args['maxLength'] ) && mb_strlen( $value ) > $args['maxLength'] ) {
			return new WP_Error(
				'rest_invalid_param',
				sprintf(
					/* translators: 1: Parameter, 2: Number of characters. */
					_n( '%1$s must be at most %2$s character long.', '%1$s must be at most %2$s characters long.', $args['maxLength'] ),
					$param,
					number_format_i18n( $args['maxLength'] )
				)
			);
		}

		if ( isset( $args['pattern'] ) ) {
			$pattern = str_replace( '#', '\\#', $args['pattern'] );
			if ( ! preg_match( '#' . $pattern . '#u', $value ) ) {
				/* translators: 1: Parameter, 2: Pattern. */
				return new WP_Error( 'rest_invalid_pattern', sprintf( __( '%1$s does not match pattern %2$s.' ), $param, $args['pattern'] ) );
			}
		}
	}

	if ( isset( $args['format'] ) ) {
		switch ( $args['format'] ) {
			case 'hex-color':
				if ( ! rest_parse_hex_color( $value ) ) {
					return new WP_Error( 'rest_invalid_hex_color', __( 'Invalid hex color.' ) );
				}
				break;

			case 'date-time':
				if ( ! rest_parse_date( $value ) ) {
					return new WP_Error( 'rest_invalid_date', __( 'Invalid date.' ) );
				}
				break;

			case 'email':
				if ( ! is_email( $value ) ) {
					return new WP_Error( 'rest_invalid_email', __( 'Invalid email address.' ) );
				}
				break;
			case 'ip':
				if ( ! rest_is_ip_address( $value ) ) {
					/* translators: %s: IP address. */
					return new WP_Error( 'rest_invalid_param', sprintf( __( '%s is not a valid IP address.' ), $param ) );
				}
				break;
			case 'uuid':
				if ( ! wp_is_uuid( $value ) ) {
					/* translators: %s is the name of a JSON field expecting a valid uuid. */
					return new WP_Error( 'rest_invalid_uuid', sprintf( __( '%s is not a valid UUID.' ), $param ) );
				}
				break;
		}
	}

	if ( in_array( $args['type'], array( 'number', 'integer' ), true ) && ( isset( $args['minimum'] ) || isset( $args['maximum'] ) ) ) {
		if ( isset( $args['minimum'] ) && ! isset( $args['maximum'] ) ) {
			if ( ! empty( $args['exclusiveMinimum'] ) && $value <= $args['minimum'] ) {
				/* translators: 1: Parameter, 2: Minimum number. */
				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than %2$d' ), $param, $args['minimum'] ) );
			} elseif ( empty( $args['exclusiveMinimum'] ) && $value < $args['minimum'] ) {
				/* translators: 1: Parameter, 2: Minimum number. */
				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than or equal to %2$d' ), $param, $args['minimum'] ) );
			}
		} elseif ( isset( $args['maximum'] ) && ! isset( $args['minimum'] ) ) {
			if ( ! empty( $args['exclusiveMaximum'] ) && $value >= $args['maximum'] ) {
				/* translators: 1: Parameter, 2: Maximum number. */
				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than %2$d' ), $param, $args['maximum'] ) );
			} elseif ( empty( $args['exclusiveMaximum'] ) && $value > $args['maximum'] ) {
				/* translators: 1: Parameter, 2: Maximum number. */
				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than or equal to %2$d' ), $param, $args['maximum'] ) );
			}
		} elseif ( isset( $args['maximum'] ) && isset( $args['minimum'] ) ) {
			if ( ! empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
				if ( $value >= $args['maximum'] || $value <= $args['minimum'] ) {
					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
				}
			} elseif ( empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
				if ( $value >= $args['maximum'] || $value < $args['minimum'] ) {
					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
				}
			} elseif ( ! empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
				if ( $value > $args['maximum'] || $value <= $args['minimum'] ) {
					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
				}
			} elseif ( empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
				if ( $value > $args['maximum'] || $value < $args['minimum'] ) {
					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
				}
			}
		}
	}

	return true;
}