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enhance simpletoc_sanitize_string function #67

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enhance simpletoc_sanitize_string function #67

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13 changes: 13 additions & 0 deletions plugin.php
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Original file line number Diff line number Diff line change
Expand Up @@ -357,6 +357,19 @@ function simpletoc_sanitize_string($string)
$string_without_accents = remove_accents($html_wo_nbs);
// Sanitizes a title, replacing whitespace and a few other characters with dashes.
$sanitized_string = sanitize_title_with_dashes($string_without_accents);
// Check if sanitized_string begins with a letter
if (preg_match("/^[_a-zA-Z]+$/", $sanitized_string)){
// Yes it begins with a letter
// Encode for use in an url
$urlencoded = urlencode($sanitized_string);
} else {
// No - it does not begin with a letter
$id_prefix = 'simpletoc-header-';
// Append prefix
$sanitized_string = $id_prefix . $sanitized_string;
// Encode for use in an url
$urlencoded = urlencode($sanitized_string);
}
// Encode for use in an url
$urlencoded = urlencode($sanitized_string);
return $urlencoded;
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