ord

名前:ord

カテゴリ:弦

対応言語:php

一言説明:文字列内の最初の文字のASCII値を返します。

例

「S」のASCII値を返します：

 <span class="token php language-php"><span class="token delimiter important"><？php</span>
<span class="token keyword">echo</span> <span class="token function">ord</span> <span class="token punctuation">（</span> <span class="token string double-quoted-string">"s"</span> <span class="token punctuation">）</span> <span class="token operator">。</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token function">ord</span> <span class="token punctuation">（</span> <span class="token string double-quoted-string">"Shanghai"</span> <span class="token punctuation">）</span> <span class="token operator">。</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">？></span></span>

自分で試してみてください