Remove imported alt text from Oxygen builder images in all posts/templates

remove-oxygen-imported-alt-text.php

<?php

/* WARNING: Advanced SQL table modifications, USE AT YOUR OWN RISKS */
/* IMPORTANT: You need to RESIGN SHORTCODES after executing this script */

global $wpdb;

$sql = 'SELECT meta_id, meta_value
        FROM ' . $wpdb->postmeta . '
        WHERE meta_key = "ct_builder_shortcodes"';

if ($results = $wpdb->get_results($sql)) {
	foreach ($results as $result) {
		$new_shortcode = preg_replace( '@,"alt":"[^\"]*"@', '', $result->meta_value);
		$sql = 'UPDATE ' . $wpdb->postmeta . ' 
                SET meta_value = "' . esc_sql( $new_shortcode ) . '" 
                WHERE meta_id = ' . $result->meta_id;
		$wpdb->query($sql);
	}
}
?>