/**
* Pomůcka pro sestavení adresy s GET parametry.
* @param array $params Asociativní pole [název-parametru] => hodnota-parametru. Null pro odstranění daného parametru, byl-li tam.
* Hodnota může být array, pak se automaticky převede na několik samostatných parametrů ve tvaru název-parametru[]
* @param string $originalUrl Původní adresa
* @param bool $clear True = všechny GET parametry z $original URL vyhodit a pouze přidávat ty z $params
* @param bool $clearArrays Jak se má chovat, když v $originalUrl je nějaký parametr - pole (s [] na konci) a v $params také.
* False = sloučit obě pole. True = smazat to z $originalUrl a nechat jen hodnoty z $params.
* @param array $keepEntities Array entit, které se nemají enkódovat (např. %id%)
* @return string
*/
static function builder($params, $originalUrl, $clear = false, $clearArrays = true, $keepEntities = array())
{
$origParams = array();
if (!$clear) {
$query = parse_url($originalUrl, PHP_URL_QUERY);
if ($query) {
parse_str($query, $origParams);
}
if (!$origParams) {
$origParams = array();
}
}
if ($clearArrays) {
$finalParams = array_merge($origParams, $params);
} else {
$finalParams = array_replace_recursive($origParams, $params);
}
foreach ($finalParams as $i => $r) {
if ($r === null) {
unset($finalParams[$i]);
}
}
$casti = array();
foreach ($finalParams as $i => $p) {
if (is_array($p)) {
foreach ($p as $pi => $pp) {
$casti[] = $i . "[" . urlencode($pi) . "]=" . urlencode($pp);
}
} else {
$casti[] = $i . "=" . urlencode($p);
}
}
if (Strings::strpos($originalUrl, "?") !== false) {
$zaklad = Strings::substr($originalUrl, 0, Strings::strpos($originalUrl, "?"));
} else {
$zaklad = $originalUrl;
}
$vrat = $zaklad;
if ($casti) {
$vrat .= "?" . implode("&", $casti);
}
if ($keepEntities) {
foreach (Arrays::arrayize($keepEntities) as $ent) {
$entEncoded = urlencode($ent);
$vrat = str_replace($entEncoded, $ent, $vrat);
}
}
return $vrat;
}
/**
* Validate and normalize an array with attributes.
*
* This function takes in an associative array with attributes, and parses and validates
* this array. On success, it will return a normalized array, where each attribute name
* is an index to an array of one or more strings. On failure an exception will be thrown.
* This exception will contain an message describing what is wrong.
*
* @param array $attributes The array containing attributes that we should validate and normalize.
*
* @return array The normalized attributes array.
* @throws \InvalidArgumentException If input is not an array, array keys are not strings or attribute values are
* not strings.
*
* @author Olav Morken, UNINETT AS <*****@*****.**>
* @author Jaime Perez, UNINETT AS <*****@*****.**>
*/
public static function normalizeAttributesArray($attributes)
{
if (!is_array($attributes)) {
throw new \InvalidArgumentException('The attributes array is not an array, it is: ' . print_r($attributes, true) . '".');
}
$newAttrs = array();
foreach ($attributes as $name => $values) {
if (!is_string($name)) {
throw new \InvalidArgumentException('Invalid attribute name: "' . print_r($name, true) . '".');
}
$values = Arrays::arrayize($values);
foreach ($values as $value) {
if (!is_string($value)) {
throw new \InvalidArgumentException('Invalid attribute value for attribute ' . $name . ': "' . print_r($value, true) . '".');
}
}
$newAttrs[$name] = $values;
}
return $newAttrs;
}
