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PEAR_Dependency::checkPackage()

PEAR_Dependency::checkPackage() -- check Package dependency

Synopsis

require_once 'PEAR/Dependency.php';

mixed PEAR_Dependency::checkPackage (mixed &$errmsg, string $name [, string $req = NULL [, string $relation = 'has']])

Description

Package dependencies check method

Parameter

string &$errmsg

this variable will contains an error message, if check fail

string $name

Name of the package to test

string $req

Required extension version to compare with

string $relation

How to compare versions with eachother

Return value

mixed - FALSE if dependency could be resolved successfully(!); or an PEAR_DEPENDENCY_* constant in case of unresolved dependency.

Note

This function can not be called statically.

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PEAR_Dependency::checkOS()起点PEAR_Dependency::checkPHP()