function remove_exterior_spaces($string)
{
if (preg_does_match("/^\\s*\$/", $string)) {
return "";
}
return preg_replace("/^\\s*(\\S(.*\\S)?)\\s*\$/", "\$1", $string);
}
function validate_input($required_parameters, $optional_parameters = array(), $method = "get")
{
switch ($method) {
case "get":
$input_parameters = $_GET;
break;
case "post":
$input_parameters = $_POST;
break;
case "session":
$input_parameters = $_SESSION;
break;
}
$valid = true;
foreach ($required_parameters as $parameter) {
$valid = $valid && isset($input_parameters[$parameter]);
}
if ($valid) {
foreach ($input_parameters as $parameter => $value) {
if (in_array($parameter, array_merge($required_parameters, $optional_parameters))) {
switch ($parameter) {
case "action":
$valid = $valid && preg_does_match("/^[a-z_]+|[0-9]+\$/", $value);
break;
case "controller":
$valid = $valid && preg_does_match("/^[a-z_]+\$/", $value);
break;
case "prefix":
$valid = $valid && in_array($value, array("binet"));
break;
case "tags":
$tags = explode(" ", $value);
foreach ($tags as $tag) {
$valid = $valid && $tag == preg_does_match("/^([" . allowed_clean_string_characters() . "])+\$/", $tag);
}
break;
case "binet":
$valid = $valid && preg_does_match("/^([" . allowed_clean_string_characters() . "])+\$/", $value);
break;
case "term":
$valid = $valid && is_numeric($value);
break;
case "budget":
$valid = $valid && is_numeric($value);
break;
case "operation":
$valid = $valid && is_numeric($value);
break;
case "tag":
$valid = $valid && is_numeric($value);
break;
case "wave":
$valid = $valid && is_numeric($value);
break;
case "member":
$valid = $valid && is_numeric($value);
break;
case "student":
$valid = $valid && is_numeric($value);
break;
}
}
}
return $valid;
} else {
return false;
}
}
function form_group_date($label, $field, $prefill_value, $form_name)
{
$regex = "/^([0-9]{4})-([0-9]{2})-([0-9]{2})\$/";
if (preg_does_match($regex, $prefill_value)) {
$prefill_value = preg_replace($regex, "\$3/\$2/\$1", $prefill_value);
}
return form_group($label, $field, "<input type=\"text\" class=\"form-control\" id=\"" . $field . "\" name=\"" . $field . "\" value=\"" . $prefill_value . "\">\n <script type=\"text/javascript\">\n \$(function () {\n \$('#" . $field . "').datetimepicker({\n format: 'DD/MM/YYYY'\n });\n });\n </script>", $form_name);
}