rpmvercmp
(PECL rpminfo >= 0.1.0)
rpmvercmp — RPM version comparison
說明
   rpmvercmp(string 
  $evr1, string $evr2): intCompare 2 RPM versions.
參數
- 
evr1
- 
     First epoch:version-release string 
- 
evr2
- 
     Second epoch:version-release string 
返回值
Returns < 0 if evr1 is less than evr2, > 0 if evr1 is greater than evr2, and 0 if they are equal.