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At textarea I always want to make enter(new paragraph to become <br>.

Example:

at form at textarea , I input (bold only for point only not for input result):

Hold

Copy

Paste

After I submit, result for textarea always like this for preview : HoldCopyPaste

So I find this for change enter to <br>

ex :

<form method="post">
<p>
<textarea name="tes"></textarea>
</p>
<p><input type="submit" value="submit" /></p>
</form>

At Submit form proccess, place this :

$tes= ltrim($_POST[tes]);
$tes=eregi_replace("<","&lt;",$tes);
$tes=eregi_replace(">","&gt;",$tes);
$hasil=eregi_replace(chr(13),"<br>",$tes);
echo"$hasil";

At browser, we input at textarea like this :

Hold

Copy

Paste

And result we will get also same like above.