我正在使用下面的代碼來執行以下任務:
如果頁面 ID 為 22834,則使用“Purchased”跟蹤事件加載特定的 facebook 像素腳本,否則(所有其他頁面)使用“PageView”跟蹤事件加載 facebook 像素腳本。
當前代碼:
function wpb_hook_javascript() {
if (is_page ('22834')) {
?>
<script>!function(f,b,e,v,n,t,s)
{if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};
if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t,s)}(window, document,'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init', 'XXXXXXXXXX');
fbq('track', 'Purchase');</script><noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=XXXXXXXXXX&ev=Purchase&noscript=1"></noscript>
<?php else ?>
<script>!function(f,b,e,v,n,t,s)
{if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};
if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t,s)}(window, document,'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init', 'XXXXXXXXXX');
fbq('track', 'PageView');</script><noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=XXXXXXXXXX&ev=PageView&noscript=1"></noscript>
<?php
}
}
add_action('wp_head', 'wpb_hook_javascript');
該腳本正在作業并在我的網站中正確應用代碼,但是在我的functions.php wp-admin區域中使用此代碼時顯示此錯誤:
您的網站出現嚴重錯誤。請檢查您的站點管理員電子郵件收件箱以獲取說明。
如果我洗掉代碼 wp-admin 再次作業!
uj5u.com熱心網友回復:
建議使用
wp_enqueue_scripts而不是使用wp_head鉤子來輸出js和css。您可能還需要
!is_admin()在函式中使用條件。您在陳述之前和之后缺少結束
}和開始。{else
function wpb_hook_javascript(){
if (!is_admin() && is_page('22834')) {
?>
<script>
! function(f, b, e, v, n, t, s) {
if (f.fbq) return;
n = f.fbq = function() {
n.callMethod ?
n.callMethod.apply(n, arguments) : n.queue.push(arguments)
};
if (!f._fbq) f._fbq = n;
n.push = n;
n.loaded = !0;
n.version = '2.0';
n.queue = [];
t = b.createElement(e);
t.async = !0;
t.src = v;
s = b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t, s)
}(window, document, 'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init', 'XXXXXXXXXX');
fbq('track', 'Purchase');
</script><noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=XXXXXXXXXX&ev=Purchase&noscript=1"></noscript>
<?php } else { ?>
<script>
! function(f, b, e, v, n, t, s) {
if (f.fbq) return;
n = f.fbq = function() {
n.callMethod ?
n.callMethod.apply(n, arguments) : n.queue.push(arguments)
};
if (!f._fbq) f._fbq = n;
n.push = n;
n.loaded = !0;
n.version = '2.0';
n.queue = [];
t = b.createElement(e);
t.async = !0;
t.src = v;
s = b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t, s)
}(window, document, 'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init', 'XXXXXXXXXX');
fbq('track', 'PageView');
</script><noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=XXXXXXXXXX&ev=PageView&noscript=1"></noscript>
<?php
}
}
add_action('wp_head', 'wpb_hook_javascript');
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