/**
* @param string string
*
* @return string
*/
public function replaceNamedWithUnicode($string)
{
$index = $this->getIndex();
return preg_replace_callback($index->getEmojiNameRegex(), function ($matches) use($index) {
$emoji = $index->findByName($matches[1]);
return UnicodeUtil::convertUnicodeToString($emoji['unicode']);
}, $string);
}
$emojiUnicodes = [];
$emojiUnicodeRegexParts = [];
foreach ($emojis as $index => $emoji) {
if (isset($emoji['name'])) {
// Create a map of emoji names to the hash index
$emojiNames[$emoji['name']] = $index;
}
if (isset($emoji['aliases'])) {
foreach ($emoji['aliases'] as $alias) {
// Create a map of emoji names to the hash index
$emojiNames[$alias] = $index;
}
}
if (isset($emoji['unicode'])) {
$string = '';
foreach (explode('-', $emoji['unicode']) as $unicode) {
// Get string from unicode parts
$string .= UnicodeUtil::convertUnicodeToString($unicode);
}
// Create a map of unicode emoji characters to the hash index
$emojiUnicodes[$string] = $index;
$emojiUnicodeRegexParts[] = UnicodeUtil::formatRegexString($string);
}
}
// Build the unicode regex
$emojiUnicodeRegex = sprintf('/%s/', implode('|', $emojiUnicodeRegexParts));
// Build the name regex
$emojiNameRegex = sprintf('/:(%s):/', implode('|', array_map(function ($name) {
return preg_quote($name, '/');
}, array_keys($emojiNames))));
echo str_replace(['{{emojis}}', '{{emojiNames}}', '{{emojiUnicodes}}', '{{emojiNameRegex}}', '{{emojiUnicodeRegex}}'], [var_export($emojis, true), var_export($emojiNames, true), var_export($emojiUnicodes, true), var_export($emojiNameRegex, true), var_export($emojiUnicodeRegex, true)], $template);