timezone_offset_get

实例

返回相对于 GMT 的时区偏移：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$tz</span><span class="token operator">=</span><span class="token function">timezone_open</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Asia/Taipei"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token variable">$dateTimeNY</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">"now"</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">timezone_offset_get</span><span class="token punctuation">(</span><span class="token variable">$tz</span><span class="token punctuation">,</span><span class="token variable">$dateTimeNY</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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