<p>通过strpos计算出指定字符位置，然后通过substr截取字符串。实现代码如下：</p><pre style="background-color:#262e37;color:#ffffff;font-family:'Consolas';font-size:11.3pt;">$str<span style="color:#f92672;">=</span><span style="color:#e6db74;">'/uploads/words/img/zymurgy1.jpg,/uploads/words/img/zymurgy2.jpg,/uploads/words/img/zymurgy3.jpg,/uploads/words/img/zymurgy4.jpg,/uploads/words/img/zymurgy5.jpg'</span>;<br/><span style="color:#f92672;">echo </span><span style="color:#66d9ef;font-style:italic;">strpos</span>($str,<span style="color:#e6db74;">','</span>)<span style="color:#f92672;">.</span><span style="color:#e6db74;">"</span><span style="color:#ae81ff;">\r\n</span><span style="color:#e6db74;">"</span>;<br/><span style="color:#f92672;">echo </span><span style="color:#66d9ef;font-style:italic;">substr</span>($str,<span style="color:#ae81ff;">0</span>,<span style="color:#66d9ef;font-style:italic;">strpos</span>($str,<span style="color:#e6db74;">','</span>));</pre><p>运行效果如下<br/></p><p><img src="http://img.80zx.com/ueditor/image/202003/15835012469ba627.png" title="image" alt="image"/></p>
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