PHP function trim()
Availability in PHP 4.0
Deletes whitespace (or other characters) from the beginning and end of a string.
Alternatively, use ltrim() (deletes from the left), or rtrim() (deletes from the right).
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$str |
string |
not | String to be truncated. |
$charlist |
string |
" | Optionally, trimmed characters can also be specified using the $charlist parameter. Simply specify all the characters you want to get rid of. Use the .. construct to specify a range of characters. |
Return values
string
Modified string
php
echo trim(' Hi, how are you? '); // "Hi, how are you?"