PHP: How to convert escaped characters to plain text without str_replace

Question

Convert escaped characters/ whitespaces to plain text

I received data from another database and want to data as plain text.

For now it is using \n, \v,\e, \t, etc as escaped characters. But I want to use it as a text. I don't want to use str_replace, preg_replace. So how to achieve the solution for this

Output should be like below

Example:

echo $abc;

Output:

Abc\n\tasd

Most APIs return JSON, and json_decode() will convert the escaped characters. What API returns these literally and requires you to parse them? — Barmar
– Barmar, Commented Aug 31, 2022 at 6:40
Is there a way to assign php variable in single quote as single quote ignore escaped characters? — Arun Kumar
– Arun Kumar, Commented Aug 31, 2022 at 6:46
I apparently misunderstood the question. You don't want to parse the escape sequences, you want to see the escape sequences. So the returned data doesn't contain the escape sequences, it contains the actual control characters. — Barmar
– Barmar, Commented Aug 31, 2022 at 6:51
Yes, you are right I want the same text as it is getting. Not want \n \t etc to work as escaped chars — Arun Kumar
– Arun Kumar, Commented Aug 31, 2022 at 6:53

Barmar · Accepted Answer · 2022-08-31 15:01:25Z

2

Use addcslashes()

$abc = "foo\nbar\txyz";
 
echo addcslashes($abc, "\n\t\e\v\r");

DEMO

edited Aug 31, 2022 at 15:01

answered Aug 31, 2022 at 7:04

Barmar

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4 Comments

Arun Kumar Over a year ago

Its not working for \e

jspit Over a year ago

try addcslashes($string,"\x00..\x1f");

jspit Over a year ago

\e is represented as "\033", which is the same.

Barmar Over a year ago

@AkJosh Did you add it to the second argument? That tells the function which characters it should replace (I linked to the documentation so you would understand how to use it).

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