$invalidKeys = array_diff( $keys, $validKeys );
if ( $invalidKeys ) {
throw new InvalidArgumentException(
- 'Array contains invalid keys: ' . join( ', ', $invalidKeys )
+ 'Array contains invalid keys: ' . implode( ', ', $invalidKeys )
);
}
$missingKeys = array_diff( $neededKeys, $keys );
if ( $missingKeys ) {
throw new InvalidArgumentException(
- 'Array is missing required keys: ' . join( ', ', $missingKeys )
+ 'Array is missing required keys: ' . implode( ', ', $missingKeys )
);
}