How to replace spaces with newlines in php

How to replace spaces with newlines in php: first create a PHP sample file; then define "$str = 'a b c';"; finally use "str_replace(' ', "\n", $str );" method can replace spaces with newlines.

The operating environment of this tutorial: windows10 system, php5.6. This article is applicable to all brands of computers.

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php replaces spaces with newlines

The code is as follows:

$str = 'a b c';
// 空格替换成换行符(\n)
$str = str_replace(' ', "\n", $str);
// 显示字符
echo $str;

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