trim()

string trim (string $str [, string $charlist ])

Description

trim() strips a white space (or other characters) from the beginning and end of a string

※ available F/W version : 1.3.1 ~

Parameters

$str - the input string
$charlist
You can also specify the characters you want to strip by means of the charlist parameter. Simply list all characters that you want to be stripped. With .. you can specify a range of characters. Default value is "\x20\x09\x0a\x0d\x00\x0b" if this parameter is omitted

Return values

Returns the modified string, PHP error on error

Example

<?php
hexdump(trim("\x0b\x00\x0d\x0a\x09\x20ABCDEFG\x0b\x00\x0d\x0a\x09\x20"));
// OUTPUT: 0000  41 42 43 44 45 46 47                          |ABCDEFG         |

echo trim(".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ012345678.", "0123.45678"), "\r\n";
// OUTPUT: 9ABCDEFGHIJKLMNOPQRSTUVWXYZ

echo trim(".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ012345678.", "0..3....4..8"), "\r\n";
// OUTPUT: 9ABCDEFGHIJKLMNOPQRSTUVWXYZ
?>

Remarks

This function is identical to the PHP group's trim() function.

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