修改 Wordpress 標籤雲的排序（放到主題的 function.php 檔案最後面即可）

tag_cloud_sort.php

<?php

// 修改顯示標籤的個數
$tags_number = 25;

// 這邊可以修改標籤的順序，數字越大的排在越前面
$tag_order = [
	'2019電商新趨勢' => 101,
	'OMO' => 100,
	'新零售' => 99,
	'線上線下整合' => 98,
	'智能POS' => 97,
	'智慧商店' => 96.5,
	'電商金流' => 96,
	'電商物流' => 95,
	'電商行銷' => 94,
	'IG行銷' => 93,
	'網紅行銷' => 92,
	'內容行銷' => 91,
	'網紅行銷' => 90,
	'口碑行銷' => 89,
	'會員經營' => 88,
	'分潤機制' => 87,
	'定期定額' => 86,
	'CVR' => 85,
	'轉換率' => 84,
	'流量' => 83,
	'客單價' => 82,
	'圖表分析' => 82,
];

function custom_tag_sort($tags) {
	global $tag_order;
	global $tags_number;
	
	
	$tags_sorted = array();
	foreach($tags as $tag) {
		$tags_sorted[] = $tag;
	}
	
	usort($tags_sorted, function ($a, $b) use ($tag_order) {
		$sa = $tag_order[$a->name] ?? 0;
		$sb = $tag_order[$b->name] ?? 0;

		
		// 優先用預先定義的權重排
		if ($sa != 0 || $sb != 0) {
			return $sb <=> $sa;
		}

		// 剩餘的用關聯到的文章數排
		return $b->count <=> $a->count;
	});
	
	return array_slice($tags_sorted, 0, $tags_number);
}
add_filter('tag_cloud_sort', 'custom_tag_sort');

function set_widget_tag_cloud_args($args) {
	return wp_parse_args($args, ['number' => 0]);
}
add_filter('widget_tag_cloud_args','set_widget_tag_cloud_args');