com doc/ja: Update methodsynopsis: getenv() may return false: reference/info/functions/getenv.xml

Commit:    0f52735c99e25bc1d5f11ed006b86da3847103be=0AAuthor:    Yoshinari =
Takaoka <[email protected]>         Thu, 18 Feb 2021 17:52:44 +0900=0AParen=
ts:   dd1b901cf2bc3c9bd6273cbc93b350ba6de40bee=0ABranches:  master=0A=0ALin=
k:       http://git.php.net/?p=3Ddoc/ja.git;a=3Dcommitdiff;h=3D0f52735c99e2=
5bc1d5f11ed006b86da3847103be=0A=0ALog:=0AUpdate methodsynopsis: getenv() ma=
y return false=0A=0ACloses GH-452.=0A=0AChanged paths:=0A  M  reference/inf=
o/functions/getenv.xml=0A=0A=0ADiff:=0Adiff --git a/reference/info/function=
s/getenv.xml b/reference/info/functions/getenv.xml=0Aindex cbd7810190..f28d=
3f63d1 100644=0A--- a/reference/info/functions/getenv.xml=0A+++ b/reference=
/info/functions/getenv.xml=0A@@ -1,6 +1,6 @@=0A <?xml version=3D"1.0" encod=
ing=3D"utf-8"?>=0A <!-- $Revision$ -->=0A-<!-- EN-Revision: 4fa631348e0ed69=
ffefe7481ca7591ce98d6c498 Maintainer: hirokawa Status: ready -->=0A+<!-- EN=
-Revision: be008069ebffcdc7ac4c290becc4d455093fb218 Maintainer: hirokawa St=
atus: ready -->=0A <!-- CREDITS: takagi -->=0A <refentry xml:id=3D"function=
.getenv" xmlns=3D"http://docbook.org/ns/docbook" xmlns:xlink=3D"http://www.=
w3.org/1999/xlink">=0A  <refnamediv>=0A@@ -11,7 +11,7 @@=0A  <refsect1 role=
=3D"description">=0A   &reftitle.description;=0A   <methodsynopsis>=0A-   <=
type>string</type><methodname>getenv</methodname>=0A+   <type class=3D"unio=
n"><type>string</type><type>false</type></type><methodname>getenv</methodna=
me>=0A    <methodparam><type>string</type><parameter>varname</parameter></m=
ethodparam>=0A    <methodparam choice=3D"opt"><type>bool</type><parameter>l=
ocal_only</parameter><initializer>&false;</initializer></methodparam>=0A   =
</methodsynopsis>=0A