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php rtrim() function

Chinese translationRecent Updates：2019-01-24 09:48:10

英[trɪm] 美[trɪm]

vt. Decorate; trim; organize

adj. Neat, tidy; slender; slender

n .Trim; tidy; healthy state; attire

vi.cut

Third person singular: trims Present participle: trimming Past tense: trimmed Past participle: trimmed Comparative: trimmer Superlative: trimmest

php rtrim() function Video explanation

php rtrim() function syntax

How to use the rtrim() function?

php rtrim() function is used to delete spaces or other predefined characters on the right side of a string. The syntax is rtrim(string,charlist) and returns the string processed by charlist rules

Function:Delete spaces or other predefined characters on the right side of the string

Syntax: rtrim(string,charlist)

Parameters:

Parameter	Description
string	Needs to be processed String
charlist	is optional and specifies which characters to delete from the string. If it is empty, all the following characters "\0" -- NULL, "\t" -- tab character, "\n" -- line feed, "\x0B" -- vertical tab character, "\r" -- carriage return, " " -- space

Description: Returns the string processed by charlist rules

php rtrim() function example

<?php
$i = "hello world    ";
echo "未经过处理的".$i."右边是有空格的！";
$j = rtrim($i);
echo "经过处理的".$j."右边是没有空格的！";
?>

Click the "Run instance" button to view the online instance

Output:

未经过处理的hello world 右边是有空格的！经过处理的hello world右边是没有空格的！

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