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

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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

深蓝 · Answer 1 · 2021-10-23T18:23:25+0000

use

substr_replace()

like

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