技术问答php preg_replace_callback 濡備綍鎹曡幏缁? - 扬州沐宇科技

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涓嬮潰鏄竴涓ず渚嬩唬鐮侊紝婕旂ず濡備綍鎹曡幏缁勭殑鍐呭锛?/p>

$text = 'Hello, my name is John Doe.';
$pattern = '/(\w+)\s(\w+)/';

$result = preg_replace_callback($pattern, function($matches) {
    // $matches[0] 鍖归厤鍒扮殑鏁翠釜瀛楃涓?/span>
    // $matches[1] 鍖归厤鍒扮殑绗竴涓粍
    // $matches[2] 鍖归厤鍒扮殑绗簩涓粍
    $name = $matches[1] . ' ' . $matches[2];
    
    return strtoupper($name);
}, $text);

echo $result;

鍦ㄤ笂闈㈢殑浠ｇ爜涓紝鎴戜滑浣跨敤姝ｅ垯琛ㄨ揪寮?/(\w+)\s(\w+)/ 鍖归厤鏂囨湰涓殑绗竴涓拰绗簩涓崟璇嶏紝骞跺湪鍥炶皟鍑芥暟涓皢瀹冧滑鍚堝苟涓轰竴涓ぇ鍐欏瓧绗︿覆銆傚彲浠ラ€氳繃 $matches 鏁扮粍鏉ヨ闂崟鑾峰埌鐨勭粍鐨勫唴瀹广€?/p>