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                # in\_string() ## in\_string() ``` <pre class="calibre11">``` in_string($s, $str) ``` ``` #### 【功能】 判斷一個字符串是否在另外一個字符串中。 默認分割符為英文半角逗號: , #### 【參數】 ``` <pre class="calibre11">``` $s:小字符串 $str:大字符串 ``` ``` #### 【用例】 ``` <pre class="calibre11">``` <?php include './xiunophp/xiunophp.php'; $r = in_string('ab', 'ab,abc,abcd') // 結果:TRUE/FALSE ?> ``` ```
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