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trim()

trim - Strip whitespace (or other characters) from the beginning and end of a string

Syntax

string trim (string $str, string $charlist)

Arguments

  • str - The string that will be trimmed.
  • charlist - Optionally, the stripped characters can also be specified using the charlist parameter. Simply list all characters that you want to be stripped. With..you can specify a range of characters.

Description

This function returns a string with whitespace stripped from the beginning and end of str. Without the second parameter, trim() will strip these characters: " " ( 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.

Version

PHP 4, 5

Return value

The trimmed string.