[Resolved] automatic check of newline in a database field

[helz]

i have some text thats inserted into the db using the textarea and i was wondering how can i count the number of \n in a string so i can use that total to use as the number of rows i want to make the edit textarea, eg:

this is to test something\nthis is the second line\nand the third line\nalso onto the fourth line\nand so on...

so i want the total in the example to be: 4
$totalrows=sumof\n
so the textarea has this in it: rows='$totalrows'

just a little feature i was wondering if possible. also i will make it so that:

if ($totalrows >= 10) {
   $totalrows = 10;
}

that way the textarea wont fill the screen

[drawmack]

it's a lot of overhead but the simplest way would be:

function count_lines(&$text) {
    $ary_text = explode("\n",$text);
    return (count($ary_text));
} //end count_lines

[helz]

it gives the total rows of 1 even when there is more, does it matter what type of wrapping on the textarea i have? currently i have it set to virtual

==edit==

actually there was no wrap setting on the textareas so im not sure

also i found this:

substr_count($haystack,$needle)

which i thought seems to do the job nicely, the count returns 0 but i hope thats just because i didnt set a wrap to the textareas

[drawmack]

the only time you get a \n in a textarea is when you press enter, I assumed you knew that.

For this I would do this

function num_rows($row_length,&$text) {
    return ceil(strlen($text)/$row_length);
} //end num_rows

[helz]

thanks that worked, good thing is that'll work for both when the user presses enter and when they just let the line run on...