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# PEAR_Dependency::checkPHP()

PEAR_Dependency::checkPHP() -- Check PHP version

## Synopsis

    require_once 'PEAR/Dependency.php';

``mixed PEAR_Dependency::checkPHP` (mixed &$errmsg, string $req [, string $relation = 'ge'])`

## Description

PHP version check method

## Parameter

mixed `&$errmsg`

  this variable will contains an error message, if check fail

string `$req`

  which version to compare

string `$relation`

  how to compare the version

## 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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