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Drupal function for stripping spaces and unsafe things to make the system machine nameDrupal function for stripping spaces and unsafe things to make the system machine name
Submitted by Benjamin Melançon on March 7, 2009 - 5:30pm
bangpound:
what's a function that does the job of replacing spaces with underscores, lowering case of letters, stripping out non-alphanumerics?
less complex than pathauto. i need to do what the content_type.js file does, but in php
Not what we're looking for (from form.inc):
<?php
$id = str_replace(array('][', '_', ' '), '-', $id);
?>A possibility:
<?php
function zen_id_safe($string) {
if (is_numeric($string{0})) {
// If the first character is numeric, add 'n' in front
$string = 'n'. $string;
}
return strtolower(preg_replace('/[^a-zA-Z0-9-]+/', '-', $string));
}
?>What bangpound is using in the fielderized taxonomy module:
<?php
'field_name' => 'term_'. preg_replace('/[^a-z0-9]+/', '_', strtolower($edit['name'])),
?>Crell: Have a toggle for underscore or hyphen, and option to check for unique.
/**
* Take a user-entered name and make it machine-safe.
*
* Replace spaces and all unknown characters with underscores and lowercase.
*
* @TODO get this into common.inc
*/
function drupal_system_name($string) {
return preg_replace('/[^a-z0-9]+/', '_', strtolower($string));
}
But we need more.
Crell also suggested I use a flag if the string should be unique, but there's no clean way I see for this function to know where its string is going (and so know what is there already). No $unique = FALSE flag.
function drupal_system_string($string, $replacement = '_') {
return preg_replace('/[^a-z0-9]+/', $replacement, strtolower($string));
}
Resolution
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