To add to my message, you could:
$buttons = array('sample_a_x', 'sample_b', 'sample_c_x');
$button_pressed = array_intersect($buttons, array_keys($_REQUEST));
If you have everything perfect, i.e. all available buttons are held in the
array, and there are no other input fields in your form that might
name-collide (which wouldn't be good anyway ;->), this will give you an
array with exactly one entry if any of the buttons are clicked, be it an
image (sample_a, sample_c) or a regular (sample_b) button.
--
>O Ernest E. Vogelsinger
(\) ICQ #13394035
^ http://www.vogelsinger.at/
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