Code for adding associated links to PHP

/** * PHP Associated Links */ Header ("Content-type:text/html;charset=utf-8"); Set encoding $linkdatas =array ( Array (' Front-end development ', ' http://http://bbs.it-home.org '), Array (' Front-end design ', ' http://bbs.it-home.org '), Array (' Web Front end ', ' http://bbs.it-home.org '), Array (' Front-end blog ', ' http://bbs.it-home.org '), ); echo "before replacing "; echo $str = ' web front-end development-focus on website front-end design and Web user experience. Front-end development, focus on web front-end development, focus on Web user experience, focus on the latest and best front-end design resources and front-end development technology professional front-end blog '; echo " After replacement "; echo $str =keylinks ($STR, 2); /** * Associated keyword substitution * @param txt $string original string * @param replacenum $int Number of replacements * @return String returns strings */ function Keylinks ($txt, $replacenum = ") { Global $linkdatas; if ($linkdatas) { $word = $replacement = Array (); foreach ($linkdatas as $v) { $word 1[] = '/(?! ()/s '; $word 2[] = $v [0]; $replacement [] = '. $v [0]. ''; } if ($replacenum! = ") { $txt = Preg_replace ($word 1, $replacement, $txt, $replacenum); } else { $txt = Str_replace ($word 2, $replacement, $txt); } } return $txt; } ?> Copy Code

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