src/Utils/BreakingChangesFinder.php
public static function findBreakingChanges(Schema $oldSchema, Schema $newSchema)
    {
        return array_merge(
            self::findRemovedTypes($oldSchema, $newSchema),
            self::findTypesThatChangedKind($oldSchema, $newSchema),
            self::findFieldsThatChangedTypeOnObjectOrInterfaceTypes($oldSchema, $newSchema),
            self::findFieldsThatChangedTypeOnInputObjectTypes($oldSchema, $newSchema)['breakingChanges'],
            self::findTypesRemovedFromUnions($oldSchema, $newSchema),
            self::findValuesRemovedFromEnums($oldSchema, $newSchema),
            self::findArgChanges($oldSchema, $newSchema)['breakingChanges'],
            self::findInterfacesRemovedFromObjectTypes($oldSchema, $newSchema),
            self::findRemovedDirectives($oldSchema, $newSchema),
            self::findRemovedDirectiveArgs($oldSchema, $newSchema),
            self::findAddedNonNullDirectiveArgs($oldSchema, $newSchema),
            self::findRemovedDirectiveLocations($oldSchema, $newSchema)
        );
    }
public static function findBreakingChanges(Schema $oldSchema, Schema $newSchema)
    {
        return array_merge(
            self::findRemovedTypes($oldSchema, $newSchema),
            self::findTypesThatChangedKind($oldSchema, $newSchema),
            self::findFieldsThatChangedTypeOnObjectOrInterfaceTypes($oldSchema, $newSchema),
            self::findFieldsThatChangedTypeOnInputObjectTypes($oldSchema, $newSchema)['breakingChanges'],
            self::findTypesRemovedFromUnions($oldSchema, $newSchema),
            self::findValuesRemovedFromEnums($oldSchema, $newSchema),
            self::findArgChanges($oldSchema, $newSchema)['breakingChanges'],
            self::findInterfacesRemovedFromObjectTypes($oldSchema, $newSchema),
            self::findRemovedDirectives($oldSchema, $newSchema),
            self::findRemovedDirectiveArgs($oldSchema, $newSchema),
            self::findAddedNonNullDirectiveArgs($oldSchema, $newSchema),
            self::findRemovedDirectiveLocations($oldSchema, $newSchema)
        );
    }
public static function findBreakingChanges ( Schema $ oldSchema , Schema $ newSchema ) { return array_merge ( self :: findRemovedTypes ( $ oldSchema , $ newSchema ) , self :: findTypesThatChangedKind ( $ oldSchema , $ newSchema ) , self :: findFieldsThatChangedTypeOnObjectOrInterfaceTypes ( $ oldSchema , $ newSchema ) , self :: findFieldsThatChangedTypeOnInputObjectTypes ( $ oldSchema , $ newSchema ) [ 'breakingChanges' ] , self :: findTypesRemovedFromUnions ( $ oldSchema , $ newSchema ) , self :: findValuesRemovedFromEnums ( $ oldSchema , $ newSchema ) , self :: findArgChanges ( $ oldSchema , $ newSchema ) [ 'breakingChanges' ] , self :: findInterfacesRemovedFromObjectTypes ( $ oldSchema , $ newSchema ) , self :: findRemovedDirectives ( $ oldSchema , $ newSchema ) , self :: findRemovedDirectiveArgs ( $ oldSchema , $ newSchema ) , self :: findAddedNonNullDirectiveArgs ( $ oldSchema , $ newSchema ) , self :: findRemovedDirectiveLocations ( $ oldSchema , $ newSchema ) ) ; }
Given two schemas, returns an Array containing descriptions of all the types
of breaking changes covered by the other functions down below.

@return string[][]
Given two schemas returns an Array containing descriptions of all the types of breaking changes covered by the other functions down below .