How is the php escape length calculated? For example, 12 is a space of 1, a space of 2, why is it 5 with strlen... no. C: \ & gt; php-r & quot; echostrlen ('12'); & quot; 3. if your 1 and 2 are full-width characters, isn't it 5 ?, There must be a problem with your string, or how is the full php character escape length calculated on the second floor?
For example
1 2
It is a space of 1, a space of 2, why is strlen 5 ....
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No.
C: \> php-r "echo strlen ('1 2 ');"
3
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If your 1 and 2 are full-width characters, isn't that 5?
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There must be a problem with your string, either as the second floor says there are full-angle numbers or full-angle spaces, or there are invisible special characters contained in it.
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It should be a problem with the full width ~~~~ '
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