strrchr

名稱:strrchr

分類:字符串

所屬語言:php

一句話介紹:查找字符串在另一個字符串中最後一次出現。

實例

例子1

搜索"Shanghai" 在字符串中的位置，並返回從該位置到字符串結尾的所有字符：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">strrchr</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"I love Shanghai!"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Shanghai"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試

例子2

搜索"What" 在字符串中的位置，並返回從該位置到字符串結尾的所有字符：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">strrchr</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello world! What a beautiful day!"</span> <span class="token punctuation">,</span> What <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試

例子3

以"o" 的ASCII 值搜索"o" 在字符串中的位置，並返回從該位置到字符串結尾的所有字符：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">strrchr</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">,</span> <span class="token number">101</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試