date_offset_get

实例

返回纽约的冬天和夏天相对于 UTC 的以秒计的时区偏移量：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$winter</span><span class="token operator">=</span><span class="token function">date_create</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"2016-10-15"</span><span class="token punctuation">,</span><span class="token function">timezone_open</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"America/New_York"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token variable">$summer</span><span class="token operator">=</span><span class="token function">date_create</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"2016-01-28"</span><span class="token punctuation">,</span><span class="token function">timezone_open</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"America/New_York"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token keyword">echo</span> <span class="token function"></span><mark><span class="token function">date_offset_get</span><span class="token punctuation">(</span><span class="token variable">$winter</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token operator">.</span> <span class="token string double-quoted-string">" 秒。<br />"</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function"></span><mark><span class="token function">date_offset_get</span><span class="token punctuation">(</span><span class="token variable">$summer</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token operator">.</span> <span class="token string double-quoted-string">" 秒。"</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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