セレクトボックスの内容を、２次元配列で指定

<?php

$array = array(
    array( "選択肢１", "選択肢１の値" ),
    array( "選択肢２", "選択肢２の値" ),
    array( "選択肢３", "選択肢３の値", "selected" ),
    array( "選択肢４", "選択肢４の値" ),
    array( "選択肢５", "選択肢５の値" ),
);
$sampleSelectBox = "<select name=\"selectBoxName\">\n";
for ( $indexA = 0; $indexA < count( $array ); $indexA++ ) {
    $sampleSelectBox .= "\t<option value=\"{$array[$indexA][1]}\"";
    if ( $array[$indexA][2] ) {
        $sampleSelectBox .= " selected=\"selected\"";
    }
    $sampleSelectBox .= ">";
    $sampleSelectBox .= "{$array[$indexA][0]}";
    $sampleSelectBox .= "</option>\n";
}
$sampleSelectBox .= "</select>\n";
echo "{$sampleSelectBox}";

?>