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preg_match_all()小疑点不明白求解决
- WBOYOriginal
- 2016-06-13 11:34:251112browse
preg_match_all()小问题不明白求解决！
preg_match_all("/\d*/","5555", $images);
输出$images数组为：Array ( [0] => Array ( [0] => 5555 [1] => ) )
为什么二维数组中会有一个空的索引！
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