<?php
/** @author ibarland
 * @version 2017-Feb-10
 * @License: CC-BY 4.0 -- you are free to share and adapt this material
 *  for any purpose, provided you include appropriate attribution.
 *      https://creativecommons.org/licenses/by/4.0/ 
 *      https://creativecommons.org/licenses/by/4.0/legalcode 
 *  Including the source material's URL satisifies "appropriate attribution".
 *
 * @see ./stripslashes_deep-test.php
 */
error_reporting(E_ALL);


/** Like array_map, except map $key_fn over each key, and $val_fn over each value. */
function array_map_keys_vals( $key_fn, $val_fn, $arr ) {
    $result=array();
    foreach ($arr AS $key=>$val) {
        $result[ $key_fn($key) ] = $val_fn($val);
        }
    return $result;
    }

/** strip slashes from any strings, deeply checking arrays. */
function stripslashes_deep( $val ) {
    return (is_string($val) ? stripslashes($val)
         : (is_array($val)  ? array_map_keys_vals( "stripslashes_deep", "stripslashes_deep", $val )
         : (true            ? $val 
         : (die("stripslashes_deep: Shouldn't have reached this line!\n")  // should be: `threw new Exception(...)`
    ))));   // parens are required, for nested conditional-operator :-( 
    }

?>