chunk_split() 函数把字符串分割为一连串更小的部分。
chunk_split(string,length,end)
| string |
Required. Specifies the string to be split. |
| length |
Optional. Numeric value that defines the length of the string block. The default is 76. |
| end |
Optional. String value, which defines what is placed at the end of each string block. The default is \r\n. |
<?php
echo chunk_split("Shanghai",2,".");
Sh.an.gh.ai.
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