string rtrim (string $str [, string $charlist ])
rtrim() strips a white space (or other characters) from the end of a string
※ available F/W version : all
Returns the modified string, PHP error on error
<?php
hexdump(rtrim("\x0b\x00\x0d\x0a\x09\x20ABCDEFG\x0b\x00\x0d\x0a\x09\x20"));
//OUTPUT: 0000 0b 00 0d 0a 09 20 41 42 43 44 45 46 47 |..... ABCDEFG |
echo rtrim(".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ9876543210.", "012.34567"), "\r\n";
//OUTPUT: .0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ98
echo rtrim(".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ9876543210.", "0..2....3..7"), "\r\n";
//OUTPUT: .0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ98
?>
This function is identical to the PHP group’s rtrim() function.