96 lines
2.5 KiB
PHP
96 lines
2.5 KiB
PHP
<?PHP
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/**
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* Gathers wrappers for handling inputs.
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*/
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declare(strict_types = 1);
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/**
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* Standard class providing overrides of default PHP functions as static
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* functions.
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*/
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class MD_STD_IN {
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/**
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* Generic sanitization function for input strings.
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*
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* @param mixed $input Input string.
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*
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* @return integer
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*/
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final public static function sanitize_id($input):int {
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$input = filter_var($input, FILTER_VALIDATE_INT, [
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'options' => [
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'min_range' => 1, // Minimum number of an ID generated.
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'max_range' => 4294967295 // Max value for MySQL's int data type
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],
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]
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);
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if (!($input)) {
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throw new MDpageParameterNotNumericException("Value is not numeric.");
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}
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return $input;
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}
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/**
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* General string sanitization for all purposes. For use of inputs with MySQL's
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* MATCH AGAINST, use the dedicated sanitization function.
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*
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* @param mixed $input Input string.
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*
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* @return string
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*/
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final public static function sanitize_text($input):string {
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$output = \filter_var($input,
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FILTER_SANITIZE_STRING,
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FILTER_FLAG_NO_ENCODE_QUOTES) ?: "";
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return trim($output);
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}
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/**
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* Retrieves HTTP input texts from GET or POST variables, whatever is provided.
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* If neither is given, returns a provided default.
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*
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* @param string $var_name Variable name.
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* @param string $default Default value for the output.
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*
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* @return string
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*/
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final public static function get_http_input_text(string $var_name, string $default = ""):string {
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if (isset($_GET[$var_name])) {
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return self::sanitize_text($_GET[$var_name]);
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}
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else if (isset($_POST[$var_name])) {
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return self::sanitize_text($_POST[$var_name]);
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}
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else return self::sanitize_text($default);
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}
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/**
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* Retrieves HTTP input texts from POST variables.
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* If none is given, returns a provided default.
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*
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* @param string $var_name Variable name.
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* @param string $default Default value for the output.
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*
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* @return string
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*/
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final public static function get_http_post_text(string $var_name, string $default = ""):string {
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if (isset($_POST[$var_name])) {
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return self::sanitize_text($_POST[$var_name]);
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}
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else return self::sanitize_text($default);
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}
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}
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