php array as string code example

Example 1: php implode

$colors = array("red","blue","green");
$colorsCSV= "'".implode("','",$colors)."'";
//$colorsCSV: 'red','blue','green'

Example 2: php array to string

// for one-dimentional arrays
$str = implode('|', $arr);	// "v1|v2|v3"...

// for multi-dimensional/structured arrays, or to keep hierarchy
$str = json_encode($arr);
// or
$str = var_export($arr);