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string - How to replace the characters in fixed positions in PHP?

I want to replace with the 4~8 characters of a string with *,how to do it?

HelloWorld

=>

Hell****ld
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1 Answer

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by (71.8m points)

use

substr_replace()

like

substr_replace($string, '****', 4 , 4);

read more :

http://php.net/manual/en/function.substr-replace.php


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