How to determine a character in another string

WBOY
Release: 2016-08-08 09:19:35
Original
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Application scenario: When making modification operations, make the check box selected.

<span>//</span><span>字段存的是id值,如 7,8,9  这些id值是需要被选中的</span><span>$checkId</span> = '7,8,9'<span>;

被循环的id值

</span><span>$idAll</span> = <span>array</span>('1','2','3','5','7','8','9'<span>);

 // ',7,8,9,'   ',1,'

</span><span>foreach</span>(<span>$idAll</span><span>as</span><span>$k</span>=><span>$v</span><span>){

  </span><span>if</span>(<span>strpos</span>(','.<span>$checked</span>.',', ' ,  '.<span>$v</span>.','<span>) !== FALSE){

    </span><span>$check</span> = 'checked="checked"'<span>;

  }</span><span>else</span><span>{

    </span><span>$check</span> = ''<span>;

  }

}</span>
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The above introduces how to judge a character in another string, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.

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