- implode: documentation ( source)
<?php
$matrix = array();
$matrix[1] = array( 0 => 65.70, 1 => 'Coles', 2 => '34 days', 3 => 14 );
$matstring=implode("','",$matrix[1]);
$matstring="'".$matstring."'";
print "INSERT INTO Australia (`Price`, `Company`, `Days`, `Weight`) VALUES ($matstring)";
?>