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функция не описана

Bulk_Upgrader_Skin::before() public WP 1.0

Это метод класса: Bulk_Upgrader_Skin{}

Хуков нет.

Возвращает

Null. Ничего.

Использование

$Bulk_Upgrader_Skin = new Bulk_Upgrader_Skin();
$Bulk_Upgrader_Skin->before( $title );
$title(строка)

По умолчанию: ''

Код Bulk_Upgrader_Skin::before() WP 5.5.1

wp-admin/includes/class-bulk-upgrader-skin.php
<?php
public function before( $title = '' ) {
	$this->in_loop = true;
	printf( '<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count );
	echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').css("display", "inline-block");</script>';
	// This progress messages div gets moved via JavaScript when clicking on "Show details.".
	echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr( $this->upgrader->update_current ) . '"><p>';
	$this->flush_output();
}