0
sprintf(__("You must have a <a target='_new' href='%s'>PayPal Sandbox</a> account setup before using this feature.", APP_TD), 'http://developer.paypal.com/'),
sprintf(__("You must have a <a target='_new' href='%s'>PayPal Sandbox</a> account setup before using this feature.", APP_TD), 'http://developer.paypal.com/'),
sprintf(__('You must have a <a target="_new" href="%s">PayPal Sandbox</a> account setup before using this feature.', APP_TD), 'http://developer.paypal.com/'),
可能是你的单/双引号的使用就行了。
这看起来不正确。请张贴整条线。 –
您需要调试Wordpress的__()函数返回的内容。 –