(PHP 5 >= 5.3.0, PHP 7, PECL enchant >= 0.1.0 )
enchant_broker_dict_exists — Whether a dictionary exists or not. Using non-empty tag
enchant_broker_dict_exists ( EnchantBroker $broker , string $tag ) : bool
Tells if a dictionary exists or not, using a non-empty tags
broker
An Enchant broker returned by enchant_broker_init().
tag
non-empty tag in the LOCALE format, ex: us_US, ch_DE, etc.
 Returns true when the tag exist or false when not. 
| Version | Description | 
|---|---|
| 8.0.0 |  broker expects an EnchantBroker instance now; previoulsy, a resource was expected.  |  
Example #1 A enchant_broker_dict_exists() example
<?php
$tag = 'en_US';
$r = enchant_broker_init();
if (enchant_broker_dict_exists($r,$tag)) {
    echo $tag . " dictionary found.\n";
}
?> 
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    https://www.php.net/manual/en/function.enchant-broker-dict-exists.php