Php trim
From w3cyberlearnings
Contents |
PHP function trim
This function strips white-space from the beginning and end of a string.
Syntax trim
- string: string input to strip whitespace.
charlist
- " " (ASCII 32 (0x20)), an ordinary space.
- "\t" (ASCII 9 (0x09)), a tab.
- "\n" (ASCII 10 (0x0A)), a new line (line feed).
- "\r" (ASCII 13 (0x0D)), a carriage return.
- "\0" (ASCII 0 (0x00)), the NUL-byte.
- "\x0B" (ASCII 11 (0x0B)), a vertical tab.
trim(string, charlist);
Example 1
<?php $str = "\t\tgood old day"; echo $str; echo '<br/>'; echo trim($str); ?>
Output
good old day good old day
Output:HTML view source
space in view source <--------------------->good old day<br/>good old day
Example 2
<?php $str ="\n\nGone now"; echo $str; echo '<br/>'; echo trim($str); ?>
Output
Gone now Gone now
Output:HTML view source
| |space in view source | Gone now<br/>Gone now
Example 3
<?php
echo trim('Hello World','Hello');
?>
Output
World
Example 4
<?php
echo trim('You are done now, boss','Yso');//u are done now, b
echo trim('You are done now, boss','Y'); //ou are done now, boss
echo trim('You are done now, boss','Yo'); //u are done now, boss
?>
Example 5
<?php
$name = array('bob maat ', ' janny ', ' paul david ', ' jeson');
$all_nam = array_map("trim", $name);
var_dump($name);
var_dump($all_nam);
?>
Output
array(4) {
[0]=> string(9) "bob maat "
[1]=> string(7) " janny "
[2]=> string(12) " paul david "
[3]=> string(6) " jeson" }
array(4) {
[0]=> string(8) "bob maat"
[1]=> string(5) "janny"
[2]=> string(10) "paul david"
[3]=> string(5) "jeson" }
Example 6
<?php $binary = "\x09Example string\x0A"; echo $binary; echo trim($binary); ?>
Output
Example string Example string
Output:HTML View Source
whitespace <---------->Example string Example string
