form_clean_id

Versions
4.7 – 5
form_clean_id($id = NULL)
6
form_clean_id($id = NULL, $flush = FALSE)

Remove invalid characters from an HTML ID attribute string.

Parameters

$id The ID to clean

Return value

The cleaned ID

Related topics

▾ 2 functions call form_clean_id()

theme_file in includes/form.inc
Format a file upload field.
theme_form_element in includes/theme.inc
Return a themed form element.

Code

includes/form.inc, line 1190

<?php
function form_clean_id($id = NULL) {
  $id = str_replace('][', '-', $id);
  return $id;
}
?>
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