function _image_captcha_check_fonts in CAPTCHA 8

Same name and namespace in other branches

1. 6.2 image_captcha/image_captcha.module \_image_captcha_check_fonts()
2. 7 image_captcha/image_captcha.module \_image_captcha_check_fonts()

Helper function for checking if the specified fonts are available.

Parameters

array $fonts: Paths of fonts to check.

Return value

array List($readable_fonts, $problem_fonts).

2 calls to _image_captcha_check_fonts()

ImageCaptchaSettingsForm::validateForm in image_captcha/src/Form/ImageCaptchaSettingsForm.php

Form validation handler.

_image_captcha_check_setup in image_captcha/image_captcha.module

Helper function for checking the setup of the Image CAPTCHA.

File

image_captcha/image_captcha.module, line 115

Implements image CAPTCHA for use with the CAPTCHA module.

Code

function _image_captcha_check_fonts(array $fonts) {
  $readable_fonts = [];
  $problem_fonts = [];
  foreach ($fonts as $font) {
    if ($font != 'BUILTIN' && (!is_file($font) || !is_readable($font))) {
      $problem_fonts[] = $font;
    }
    else {
      $readable_fonts[] = $font;
    }
  }
  return [
    $readable_fonts,
    $problem_fonts,
  ];
}