用星号替换整个字符串 [英] Replace whole string with stars

问题描述

我需要一种在PHP中用星号替换整个字符串的解决方案，例如，像这样的字符串:

I need a solution to replace whole string with stars in PHP, for example there are strings like:

测试

test123

test1234

并且取决于字符串的长度，它将用如下的星号替换字符串:

And depends on string length, it will replace string with the stars like:

test的长度为4个字符，因此将被4个星标****代替.

test has 4 characters in length so it will be replaced with 4 stars ****.

test123的长​​度为7个字符，因此将被7个星标*******代替.等等...

test123 has 7 characters in length so it will be replaced with 7 stars *******. And so on...

有什么好的解决方案吗?

Is there any good solution for that?

推荐答案

$string = str_repeat('*', strlen($string));

简单地制作一个新的字符串，该字符串由所有星星组成，长度等于原始的长度.

Simply make a new string, consisting of all stars, with length equal to the original.

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