function ComponentNodeVisitor::emojiForString
Same name in this branch
- 11.x core/modules/sdc/src/Twig/ComponentNodeVisitor.php \Drupal\sdc\Twig\ComponentNodeVisitor::emojiForString()
Same name in other branches
- 10 core/modules/sdc/src/Twig/ComponentNodeVisitor.php \Drupal\sdc\Twig\ComponentNodeVisitor::emojiForString()
- 10 core/lib/Drupal/Core/Template/ComponentNodeVisitor.php \Drupal\Core\Template\ComponentNodeVisitor::emojiForString()
Chooses an emoji representative for the input string.
Parameters
string $input: The input string.
Return value
string The emoji code.
1 call to ComponentNodeVisitor::emojiForString()
- ComponentNodeVisitor::leaveNode in core/
lib/ Drupal/ Core/ Template/ ComponentNodeVisitor.php
File
-
core/
lib/ Drupal/ Core/ Template/ ComponentNodeVisitor.php, line 186
Class
- ComponentNodeVisitor
- Provides a ComponentNodeVisitor to change the generated parse-tree.
Namespace
Drupal\Core\TemplateCode
protected static function emojiForString(string $input) : string {
// Compute a cheap and reproducible float between 0 and 1 for based on the
// component ID.
$max_length = 40;
$input = strtolower($input);
$input = strtr($input, '-_:', '000');
$input = substr($input, 0, $max_length);
$chars = str_split($input);
$chars = array_pad($chars, 20, '0');
$sum = array_reduce($chars, static fn(int $total, string $char) => $total + ord($char), 0);
$num = $sum / 4880;
// Compute an int between 129338 and 129431, which is the sequential emoji
// range we are interested in. We chose this range because all integers in
// between correspond to an emoji. These emojis depict sports, food, and
// animals.
$html_entity = floor(129338 + $num * (129431 - 129338));
$emoji = mb_convert_encoding("&#{$html_entity};", 'UTF-8', 'HTML-ENTITIES');
return is_string($emoji) ? $emoji : '';
}
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