Created
February 3, 2016 16:27
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Gets the PHP _POST (or _GET) data with correct handling of nested brackets
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/** | |
* Gets the _POST data with correct handling of nested brackets: | |
* "path[to][data[nested]]=value" | |
* "path" | |
* -> "to" | |
* -> "data[nested]" = value | |
* @return array | |
*/ | |
function get_real_post() { | |
function set_nested_value(&$arr, &$keys, &$value) { | |
$key = array_shift($keys); | |
if (count($keys)) { | |
// Got deeper to go | |
if (!array_key_exists($key, $arr)) { | |
// Make sure we can get deeper if we've not hit this key before | |
$arr[$key] = array(); | |
} elseif (!is_array($arr[$key])) { | |
// This should never be relevant for well formed input data | |
throw new Exception("Setting a value and an array with the same key: $key"); | |
} | |
set_nested_value($arr[$key], $keys, $value); | |
} elseif (empty($key)) { | |
// Setting an Array | |
$arr[] = $value; | |
} else { | |
// Setting an Object | |
$arr[$key] = $value; | |
} | |
} | |
$input = array(); | |
$parts = array(); | |
$pairs = explode("&", file_get_contents("php://input")); | |
foreach ($pairs as $pair) { | |
$key_value = explode("=", $pair, 2); | |
preg_match_all("/([a-zA-Z0-9]*)(?:\[([^\[\]]*(?:(?R)[^\[\]]*)*)\])?/", urldecode($key_value[0]), $parts); | |
$keys = array($parts[1][0]); | |
if (!empty($parts[2][0])) { | |
array_pop($parts[2]); // Remove the blank one on the end | |
$keys = array_merge($keys, $parts[2]); | |
} | |
$value = urldecode($key_value[1]); | |
if ($value == "true") { | |
$value = true; | |
} else if ($value == "false") { | |
$value = false; | |
} else if (is_numeric($value)) { | |
if (strpos($value, ".") !== false) { | |
$num = floatval($value); | |
} else { | |
$num = intval($value); | |
} | |
if (strval($num) === $value) { | |
$value = $num; | |
} | |
} | |
set_nested_value($input, $keys, $value); | |
} | |
return $input; | |
} |
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