how to trim text php

1/* Removes whitespace from beginning and end of a string if
2* the second parameter is omitted
3* First parameter must be the string
4* Second parameter is optional and can include an alternative character or set of characters.
5*/
6
7// Example 1
8$string = " Hello world ";
9$trimmedString = trim($string);
10// Output = 'Hello world',
11
12// Example 2
13$string = "babcabcHello worldabbaca";
14$trimmedString = trim($string, 'abc');
15// Output = 'Hello world',

1{{ \Illuminate\Support\Str::limit($productVal, 20, $end='...') }}

1$text = "      hello world   ";
2$text = trim($text);
3
4=> "hello world"

1Removes whitespace from beginning and end of a string