mirror of
https://github.com/pierre42100/ComunicAPI
synced 2024-11-27 15:59:29 +00:00
122 lines
2.6 KiB
PHP
122 lines
2.6 KiB
PHP
<?php
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/**
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* Requests functions
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*
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* @author Pierre HUBERT
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*/
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/**
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* Check $_POST parametres associated to a request
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*
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* @param Array $varList The list of variables to check
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* @return Boolean True or false depending of the success of the operation
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*/
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function check_post_parametres(array $varList){
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//Check each fields
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foreach($varList as $process){
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//Check variable existence
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if(!isset($_POST[$process]))
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return false; //The variable does not exists
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//Check variable content
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if($_POST[$process] == "")
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return false; //The variable is empty
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}
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//If we arrive there, it is a success
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return true;
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}
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/**
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* Convert a list of numbers (anything with IDs) comma-separated to an array
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*
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* @param String $list The input list
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* @return Array The list of user / an empty list in case of errors
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*/
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function numbers_list_to_array($list) : array{
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//Split the list into an array
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$array = explode(",", $list);
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$usersList = array();
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foreach($array as $process){
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//Check the entry is valid
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if(toInt($process) < 1)
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//return array();
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continue; //Ignore entry
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//Add the entry to the list
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$usersList[toInt($process)] = toInt($process);
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}
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//Return the result
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return $usersList;
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}
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/**
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* Securely transform user given number (mixed) to integer (int)
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*
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* @param Mixed $input The input variable (mixed)
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* @return Integer $output The output (safe integer)
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*/
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function toInt($input){
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return floor($input*1);
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}
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/**
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* Remove HTML markup codes (<, >)
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*
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* @param String $input The string to change
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* @return String The updated string
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*/
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function removeHTMLnodes($input){
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$output = str_replace("<", "<", $input);
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return str_replace(">", ">", $output);
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}
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/**
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* Check a string before inserting it
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*
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* @param String $string The string to check
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* @return Boolean True if the string is valid / false else
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*/
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function check_string_before_insert($string){
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//First, empty string are invalid
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if($string == "")
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return false;
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//Remove HTML tags before continuing
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$string = str_replace(array("<", ">"), "", $string);
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//Check string size
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if(strlen($string)<3)
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return false;
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//Check if the string has at least three different characters
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if(strlen(count_chars($string,3)) < 3)
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return false;
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//Success
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return true;
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}
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/**
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* Make a string safe to be used to perform a query on a database
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*
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* @param string $input The string to process
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* @return string The result string
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*/
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function safe_for_sql(string $input) : string {
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//Perform safe adapation
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$input = str_ireplace("\\", "\\\\", $input);
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$input = str_ireplace("'", "\\'", $input);
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$input = str_ireplace('"', "\\\"", $input);
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return $input;
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} |