PHP: is there a way to see "invisible" characters like \n

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PHP - print string with control characters,Is there a way to see invisible characters like whitespace, newlines, and other non-printing characters in a manner like print_r() ?,Reason is there is some sort of character in my array that I can't see and breaking things., Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers

To see all the invisible characters not only \r, \n etc... It's good to see json_encodeed version and everything is clear:

$str = "...";
echo json_encode($str);
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88%

Is there a way to see invisible characters like whitespace, newlines, and other non-printing characters in a manner like print_r() ?,See the weird whitespace between [0] and [1]? When printing out [0] a newline gets printed as well. But no where do I assign a newline to [0] so I'm quite confused. ,To see all the invisible characters not only \r, \n etc... It's good to see json_encodeed version and everything is clear:,PHP - print string with control characters

Reason is there is some sort of character in my array that I can't see and breaking things.

Object Object
   (
      [name] => name[numbers] => Array(
         [0] => 123

         [1] => 456[2] => 789
      )[action] => nothing
   )
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72%

Printing Unwanted Characters with PHP “preg_match”?,Is there a way to change the date format in php?,Is there something available in Python like PHP autoloader?,Is there any way to see the MongoDB results in a better format?

The addcslashes function can be used. Below is the syntax of the function −

string addcslashes(string $str, string $charlist)
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65%

Is there a way to see invisible characters like whitespace, newlines, and other non-printing characters in a manner like print_r() ?,Reason is there is some sort of character in my array that I can't see and breaking things.,See the weird whitespace between [0] and [1]? When printing out [0] a newline gets printed as well. But no where do I assign a newline to [0] so I'm quite confused. ,Adjust source encoding to preference. The //TRANSLIT//IGNORE part tells iconv to transliterate (replace with "similar" characters) whatever it can and ignore (leave out or replace with "?", can't remember) what it can't.

Reason is there is some sort of character in my array that I can't see and breaking things.

Object Object
   (
      [name] => name[numbers] => Array(
         [0] => 123

         [1] => 456[2] => 789
      )[action] => nothing
   )
load more v
75%

Is there a way to see invisible characters like whitespace, newlines, and other non-printing characters in a manner like print_r() ?,Reason is there is some sort of character in my array that I can't see and breaking things.,See the weird whitespace between [0] and [1]? When printing out [0] a newline gets printed as well. But no where do I assign a newline to [0] so I'm quite confused. , Sql injection and updateall cakephp issue I'm running into a problem in cakephp when I use this query it works but when I give some characters like ' in the field #code# it shows an error, so how I can... streich.evalyn · saved on 5 months ago

Reason is there is some sort of character in my array that I can't see and breaking things.

Object Object
   (
      [name] => name[numbers] => Array(
         [0] => 123

         [1] => 456[2] => 789
      )[action] => nothing
   )
< ? php
echo addcslashes('foo[ ]', 'A..z');
// output:  foo[ ]
// All upper and lower-case letters will be escaped
// ... but so will the []^_`
?
>
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40%

Search Answer Titles

myprompt > php - a
Interactive shell

php > $string = "‘Hello,’ she said.";
php > $result = preg_replace('/[\x00-\x1F\x80-\xFF]/', '', $string);
php > echo $result;
Hello, she said.
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22%

The string or array being searched and replaced on, otherwise known as the haystack. , The value being searched for, otherwise known as the needle. An array may be used to designate multiple needles. , This function returns a string or an array with the replaced values. , This function returns a string or an array with all occurrences of search in subject replaced with the given replace value.

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