PHP implements level three navigation bar effect

1. Data configuration file db.php Return Array ( Array ' One ' = ' About Us ', ' Both ' = Array ( Array ' Three_tit ' = ' Company Introduction ', ' Three_cont ' = Array ( ' Corporate profile ', ' Organizational Structure ', ' Development History ', ' Corporate culture ', ' Service concept ' ) ), Array ' Three_tit ' = ' Enterprise Honors ', ' Three_cont ' = Array ( ' Award Certificate ', ' Industry contribution ', ' Qualification certification ', ' Association activities ', ' Achievements of the company ') ), Array ' Three_tit ' and ' Sales network ', ' Three_cont ' = Array ( ' Northeast ', ' North China ', ' Middle East ', ' South China ', ' Southwest ', Northwest ) ) ) ), Array ' One ' = ' product showcase ', ' Both ' = Array ( Array ' Three_tit ' = ' export trade ', ' Three_cont ' = Array ( ' Digital Products ', ' Latest energy ', ' Fresh fruit ', ' Meat food ', ' Clothes ', ' Gold and silver jewellery ' ) ), Array ' Three_tit ' = ' business Services ', ' Three_cont ' = Array ( ' Accreditation ', ' Talent development ', ' Hot product recommendation ', ' Latest Technology Frontier ' ) ) ) ), Array ' One ' = ' news Center ', ' Both ' = Array ( Array ' Three_tit ' = ' Enterprise Dynamics ', ' Three_cont ' = Array ( ' Company News ', ' New listings ', ' Enterprise News ' ) ), Array ' Three_tit ' = ' industry dynamics ', ' Three_cont ' = Array ( ' Media spotlight ', ' Industry concerns ', ' Domestic market ', ' International quotes ' ) ) ) ), Array ' One ' = ' Contact Us ', ' Both ' = Array ( Array ' Three_tit ' = ' contact ', ' Three_cont ' = Array ( ' Online customer service ', ' Correspondence address ', ' Phone fax ', ' Online message ' ) ), Array ' Three_tit ' and ' talent recruiting ', ' Three_cont ' = Array ( ' Project manager ', ' Assistant Secretary ', ' Channel Agent ', ' Website engineer ' ) ) ) ) ); ?> Copy Code 2.index file Header (' Content-type:text/html;charset=utf-8 '); Loading data $data = include './db.php '; Loading HTML files Include './nav.html '; ?> Copy Code 3.nav.html file Untitled Document Website Home Copy Code

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