wp-includes/rest-api.php:2134Get all valid JSON schema properties.
string[]function rest_get_allowed_schema_keywords() { return array( 'title', 'description', 'default', 'type', 'format', 'enum', 'items', 'properties', 'additionalProperties', 'patternProperties', 'minProperties', 'maxProperties', 'minimum', 'maximum', 'exclusiveMinimum', 'exclusiveMaximum', 'multipleOf', 'minLength', 'maxLength', 'pattern', 'minItems', 'maxItems', 'uniqueItems', 'anyOf', 'oneOf', );}Introduced in 5.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.