function smarty_function_escape_special_chars in Quiz 6.5

Same name and namespace in other branches

1. 6.6 includes/moodle/lib/smarty/plugins/shared.escape_special_chars.php \smarty_function_escape_special_chars()

escape_special_chars common function

Function: smarty_function_escape_special_chars<br> Purpose: used by other smarty functions to escape special chars except for already escaped ones

Parameters

string:

Return value

string

8 calls to smarty_function_escape_special_chars()

smarty_function_html_checkboxes in includes/moodle/lib/smarty/plugins/function.html_checkboxes.php

Smarty {html_checkboxes} function plugin

smarty_function_html_checkboxes_output in includes/moodle/lib/smarty/plugins/function.html_checkboxes.php

smarty_function_html_image in includes/moodle/lib/smarty/plugins/function.html_image.php

Smarty {html_image} function plugin

smarty_function_html_options in includes/moodle/lib/smarty/plugins/function.html_options.php

Smarty {html_options} function plugin

smarty_function_html_options_optgroup in includes/moodle/lib/smarty/plugins/function.html_options.php

... See full list

File

includes/moodle/lib/smarty/plugins/shared.escape_special_chars.php, line 18

Code

function smarty_function_escape_special_chars($string) {
  if (!is_array($string)) {
    $string = preg_replace('!&(#?\\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
    $string = htmlspecialchars($string);
    $string = str_replace(array(
      '%%%SMARTY_START%%%',
      '%%%SMARTY_END%%%',
    ), array(
      '&',
      ';',
    ), $string);
  }
  return $string;
}