! \wp_next_scheduled( Cleanup_Integration::START_HOOK ) ) {
// This just schedules the cleanup routine cron again.
\wp_schedule_single_event( ( \time() + ( \MINUTE_IN_SECONDS * 5 ) ), Cleanup_Integration::START_HOOK );
}
return;
}
}
}
}
from the database, and otherwise considers
* whether the old words need to have their weights updated.
*
* @param int $indexable_id The id of the indexable which needs to have its
* old words updated.
* @param Prominent_Words[] $old_words An array with prominent words that were already
* present in the database for a given indexable.
* @param array $words The new prominent words for a given indexable.
*
* @return array The words that need to be created.
*/
protected function handle_old_words( $indexable_id, $old_words, $words ) {
// Return early if the indexable didn't already have any prominent words associated with it.
if ( empty( $old_words ) ) {
return $words;
}
$outdated_stems = [];
foreach ( $old_words as $old_word ) {
// If an old prominent word is no longer associated with an indexable,
// add it to the array with outdated stems, so that at a later step
// it can be deleted from the database.
if ( ! \array_key_exists( $old_word->stem, $words ) ) {
$outdated_stems[] = $old_word->stem;
continue;
}
// If the old word should still be associated with the indexable,
// update its weight if that has changed.
$this->update_weight_if_changed( $old_word, $words[ $old_word->stem ] );
// Remove the key from the array with the new prominent words.
unset( $words[ $old_word->stem ] );
}
// Delete all the outdated prominent words in one query.
try {
$this->prominent_words_repository->delete_by_indexable_id_and_stems( $indexable_id, $outdated_stems );
// phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch -- There is nothing to do.
} catch ( Exception $exception ) {
// Do nothing.
}
return $words;
}
/**
* Updates the weight of the given prominent word, if the weight has changed significantly.
*
* @param Prominent_Words $word The prominent word of which to update the weight.
* @param float $new_weight The new weight.
*
* @return void
*/
protected function update_weight_if_changed( $word, $new_weight ) {
if ( \abs( $word->weight - $new_weight ) > 0.1 ) {
$word->weight = $new_weight;
$word->save();
}
}
/**
* Creates the given words in the database and links them to the indexable with the given id.
*
* @param int $indexable_id The ID of the indexable.
* @param array $words The prominent words to create, as a `'stem'` => weight` map.
*
* @return void
*/
protected function create_words( $indexable_id, $words ) {
// Return early if there are no new words to add to the database.
if ( empty( $words ) ) {
return;
}
$new_models = [];
foreach ( $words as $stem => $weight ) {
$new_model = $this->prominent_words_repository->query()->create(
[
'indexable_id' => $indexable_id,
'stem' => $stem,
'weight' => $weight,
]
);
$new_models[] = $new_model;
}
try {
$this->prominent_words_repository->query()->insert_many( $new_models );
// phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch -- There is nothing to do.
} catch ( Exception $exception ) {
// Do nothing.
}
}
}
JL Audio MX5004 | CarTronics
4-Channel Class D Full-Range Amplifier, 125 W x 4 @ 2 Ω / 70 W x 4 @ 4 Ω – 14.4V
Engineered specifically for powersports applications, the 4-channel MX500/4 amplifier employs our high-speed NexD™ switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum chassis is highly resistant to corrosion, with an IPX7 water-resistance rating, making it perfect for motorcycles, ATV’s or other utility vehicles.
Generating a solid 70W x 4 into 4 ohms (14.4V, 1% THD), the MX500/4 is fully bridgeable, so it can be used as a 3-channel amplifier, or as a 2-channel amplifier producing a potent 250W x 2 into 4 ohms.
Other features include independent front and rear crossovers with selectable full-range, high-pass or low-pass filter controls and a dual-range input section that accepts a wide range of input voltage levels, from line-level all the way to high-power speaker level signals.
This amplifier features a rugged powder-coated finish, a gasketed cover for the controls and stainless steel hardware for durability.
Additional information
Weight
5.00 lbs
Dimensions
5.00 × 5.00 × 5.00 in
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