# rpmvercmp

(PECL rpminfo >= 0.1.0)

rpmvercmp — RPM version comparison

### 说明

rpmvercmp(string `$evr1`, string `$evr2`, ?string `$operator` = `null`): int|bool

Compare two RPM package versions.

### 参数

`evr1`
  First `epoch:version-release` string.
`evr2`
  Second `epoch:version-release` string.
`operator`

  An optional operator. The possible operators are: `<`, `lt`, `<=`, `le`, `>`, `gt`, `>=`, `ge`, `==`, `=`, `eq`, `!=`, `<>`, `ne`.

  This parameter is case-sensitive, values should be lowercase.

### 返回值

Returns `-1` if `evr1` is less than `evr2`, `1` if `evr1` is greater than `evr2`, and `0` if they are equal.

When using the optional `operator` argument, the function will return `true` if the relationship is the one specified by the operator, `false` otherwise.

### 更新日志

版本 | 说明
--- | ---
PECL rpminfo 0.7.0 | Optional `operator` was added.

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