str_word_count

實例

例子1

計算字符串"I love Shanghai!" 中的單詞數：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token function">str_word_count</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 punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試

例子2

返回包含字符串中的單詞的數組：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token function">str_word_count</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 number">1</span> <span class="token punctuation">)</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3

返回一個數組，其中的鍵名是單詞在字符串中的位置，鍵值是實際的單詞：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token function">str_word_count</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 number">2</span> <span class="token punctuation">)</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4

設置及不設置char 參數：

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token function">str_word_count</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"I love Shanghai & good morning!"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token function">str_word_count</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"I love Shanghai & good morning!"</span> <span class="token punctuation">,</span> <span class="token number">1</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"&"</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試