Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > php trim definition and syntax introduction to remove null characters_PHP tutorial

php trim definition and syntax introduction to remove null characters_PHP tutorial

WBOY
Release： 2016-07-21 15:37:06
Original
897 people have browsed it

Definition and Usage
trim() function removes whitespace characters and other predefined characters from both ends of a string.

Syntax
trim(string,charlist) Parameter Description

string Required. Specifies the string to check.

charlist optional. Specifies the string to be converted. If this parameter is omitted, all the following characters are deleted:

Copy code The code is as follows:

"



http://www.bkjia.com/PHPjc/322032.html

www.bkjia.com

truehttp: //www.bkjia.com/PHPjc/322032.html
TechArticleDefinition and Usage The trim() function removes whitespace characters and other predefined characters from both ends of a string. Syntax trim(string,charlist) Parameter Description string Required. Specifies the string to check. ...


Related labels：
php trim and introduce function delete remove character string definition usage of grammar
source：php.cn
Previous article：PHP var_dump function and application code for traversing object attributes_PHP tutorial Next article：Practical methods of php Static keyword_PHP tutorial
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Where should I place CustomLog directive in apache I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
0
1
990
What is the format of the variables in the return value? I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
0
1
778
Problems encountered when using opentbs to generate odt files: values ​​of the same key are displayed in the same row instead of separate columns. I'm using a library called OpenTbs to create odt using PHP, I'm using it because columns a...
From 2024-04-06 20:18:18
0
1
483
Group MySQL results by ID for looping over I have a table with flight data in mysql. I'm writing a php code that will group and displ...
From 2024-04-06 17:27:56
0
1
406
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template