30

readarg

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readarg.php
readarg
SYNOPSIS

readarg($s, $trim=true, $strip=true)

DESCRIPTION

readarg returns the string $s trimmed of leading and trailing whitespace characters if $trim is true and stripped of HTML and PHP tags if $strip is true.

If $s is an array, readarg applies itself recursively to all its elements with the same arguments.

NOTE: readarg is used to filter $_GET and $_POST arguments received in HTTP GET and POST requests.

EXAMPLE
php > require 'library/readarg.php';
php > $arg="  <b>Hello!</b>  ";
php > var_dump(readarg($arg));
string(6) "Hello!"
CODE
  1. function readarg($s, $trim=true, $strip=true) {
  2.     if (is_array($s)) {
  3.         return array_map('readarg', $s, array_fill(0, count($s), $trim), array_fill(0, count($s), $strip));
  4.     }
  5.  
  6.     if ($trim) {
  7.         $s = trim($s);
  8.     }
  9.  
  10.     if ($strip) {
  11.         $s = strip_tags($s);
  12.     }
  13.  
  14.     return $s;
  15. }

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