migrations/2017_05_29_031333_add_identifier_index_to_content_table.php
/**
     * Reverse the migrations.
     *
     * @return void
     */
Reverse the migrations.
@return void
Reverse the migrations . @return void
public function down()
    {
        Schema::table('content', function (Blueprint $table) {
            $table->string('identifier', 50)->nullable()->change();
            $table->dropIndex(['identifier']);
        });
    }
public function down ( ) { Schema :: table ( 'content' , function ( Blueprint $ table ) { $ table -> string ( 'identifier' , 50 ) -> nullable ( ) -> change ( ) ; $ table -> dropIndex ( [ 'identifier' ] ) ; } ) ; }
Reverse the migrations.
Reverse the migrations .