如何在html中回显字符串中的php变量
$body = \'<p style="font-size: 18px; line-height: 1.2; text-align:; word-break: break-word; mso-line-height-alt: 22px; margin: 0;"><span style="color: #2b303a; font-size: 18px;"><strong>Name: </strong><span style="font-size: 16px;">\'echo $student_name\'</span></span></p>\'