Seems more like a Cruz platform. Trump signed off on it, but considering his past track record he has always backpedaled.
Trump Campaign Supports GOP Platform That Moved Further Right
CLEVELAND, Ohio - Republicans tasked with drafting a policy document that guides and defines the GOP has completed its work, effectively moving the party further to the right on issues of guns, immigration, and traditional marriage.
While the campaign of presumptive Republican nominee Donald Trump largely stayed out of the process, the committee adopted some of his policy positions and ignored others. Delegates and aides to Donald Trump said Trump was comfortable with delegates taking the lead on policy guidelines, especially as the campaign was working to contain opposition to his candidacy at his own nominating convention. After the committee completed its work Tuesday, aides to Trump said they are pleased with the product. It now must be approved by the all delegates on the floor of the Republican National Convention Monday.
Marriage and Family ... (more) ...
Abortion Few major changes were made on the issue of abortion but language was strengthened to condemn all types of abortion....
Immigration and Guns The committee strengthened its language around gun rights. Kansas delegate Kris Kobach, a secretary of state, got an amendment passed opposing any law that would restrict magazine capacity...The committee also supported language that called for the building of a physical wall along the southern border, a campaign position that is central to Trump's candidacy. Forcing Mexico to pay for the wall is not included, however.
Trade, Foreign Policy and Israel The committee moved closer to Trump on Trade, removing language that pushed for the passage of the Trans-Pacific Partnership and adding language invoking some of Trump's language, saying "We need better negotiated trade agreements that put America first." ...
http://www.nbcnews.com/politics/2016-election/trump-campaign-supports-gop-platform-moved-further-right-n608271