Merge branch 'PHP-7.0' into PHP-7.1

diff --cc NEWS
index 22fa5086e8195d73a084e4095e66aec70ac513f1,e3d92454df91e1ebf84fa29b6c794cbdc7a550c0..238bf3e175cc80f8ce862913a085319ed847b785
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -22,7 -13,11 +22,8 @@@ PH
    . Fixed bug #73213 (Integer overflow in imageline() with antialiasing). (cmb)
    . Fixed bug #73272 (imagescale() is not affected by, but affects
      imagesetinterpolation()). (cmb)
+   . Fixed bug #73279 (Integer overflow in gdImageScaleBilinearPalette()). (cmb)
  
 -- phpdbg:
 -  . Properly allow for stdin input from a file. (Bob)
 -
  - Standard:
    . Fixed bug #73203 (passing additional_parameters causes mail to fail). (cmb)