timezone_version_get
获取timezonedb的版本
返回时区数据库的版本:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">echo</span> <span class="token function"></span><mark><span class="token function">timezone_version_get</span><span class="token punctuation">(</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span><span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>