자바스크립트 변수를 php 에서 사용할려고 하는데요 방법좀 부탁드립니다.

</span></p><p><span style="font-size: 11pt; line-height: 1.5;">// 예문</span></p><p><span style="font-size: 11pt; line-height: 1.5;"></span><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;">  function Select_branch (msg) </span><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;">{</span></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">$.ajax({</span></font></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">        type : 'JSON',</span></font></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">        url : "getResult.php", //쿼리실행 페이지</span></font></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">        data : {"msg" : msg},</span></font></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">        success : function (data) {</span></font></p><p style="word-break: break-all; margin-left: 120px;"><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;">return data;</span><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;">​</span><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;">        </span></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">        }</span></font></p><p style="word-break: break-all; margin-left: 40px;"><font color="#484848" face="돋움, Dotum, sans-serif"><span style="font-size: 14.003999710083px; line-height: 25.2071990966797px;">});</span></font><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;"> </span></p><p><span style="color: rgb(72, 72, 72); font-family: 돋움, Dotum, sans-serif; font-size: 14.003999710083px; line-height: 25.2071990966797px;"> }</span><span style="font-size: 11pt; line-height: 1.5;"> </span></p><p><span style="font-size: 11pt; line-height: 1.5;">