string ltrim (string $str [, string $charlist ])
ltrim() strips a white space (or other characters) from the beginning of a string
※ available F/W version : all
Returns the modified string, PHP error on error
<?php
hexdump(ltrim("\x0b\x00\x0d\x0a\x09\x20ABCDEFG\x0b\x00\x0d\x0a\x09\x20"));
// OUTPUT: 0000 41 42 43 44 45 46 47 0b 00 0d 0a 09 20 |ABCDEFG..... |
echo ltrim(".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.", "0123.45678"), "\r\n";
// OUTPUT: 9ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.
echo ltrim(".0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.", "0..3....4..8"), "\r\n";
// OUTPUT: 9ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.
?>
This function is identical to the PHP group’s ltrim() function.