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11 lines
236 B
11 lines
236 B
<?php
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//截取字符串agcdef中的cde
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$str='agcdef';
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$ret=substr($str,2,3);
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echo $ret.'<br>';
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//截取中文字符
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$str='一二三四五六七八九十';
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$ret=mb_substr($str, 2, 4);
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echo $ret.'<br>';
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?>
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