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This version fixes a little issue where upon first load of the page, since the form hasn't been used, the $sel variable would be an empty "string" and cause the 'each()' to STB. This one forces it to be an 'array' and therefore doesn't choke. --------------------- snip ------------------------ <HTML><HEAD><title>Using multiple select v2.1</title></HEAD> <BODY> <H2>Using multiple select v2.1</H2> by <A HREF="http://daevid.com" TARGET="daevid">Daevid Vincent</A> <?php function inList($needle, $haystack) { while (list($k, $v) = each($haystack)) if ($needle == $v) return true; return false; } function selectBox($size, $name, $matchArray) { settype($matchArray, "array"); //we have to force this because on the first pass, this is set to string and will STB. echo "<select multiple name='".$name."[]' size='".$size."'>\n"; for ($x = 0; $x < 5; $x++) { echo "\t<option value='key".$x."'"; if (inList("key".$x, $matchArray)) echo " SELECTED"; echo ">Value ".$x."\n"; } echo "</select>"; } //selectBox() //////////////////////////////////////////////////////////////////////// $num_selected = count($sel); print "<P>Number of Values selected: $num_selected<p>\n"; if ($num_selected) { echo "<P>while list version<BR>\n"; while (list($k, $v) = each($sel)) { echo "sel[".$k."] == ".$v."<BR>\n"; } } ?> <form method="post"> <?php selectBox(6,sel,$sel); ?> <br> <input type=submit value="Submit"> </form> </BODY></HTML> | |||||
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