| 内容 | 代码如下:
 Method 1:
 function hidtel($phone){
 $IsWhat = preg_match('/(0[0-9]{2,3}[-]?[2-9][0-9]{6,7}[-]?[0-9]?)/i',$phone); //固定电话
 if($IsWhat == 1){
 return preg_replace('/(0[0-9]{2,3}[-]?[2-9])[0-9]{3,4}([0-9]{3}[-]?[0-9]?)/i','$1****$2',$phone);
 }else{
 return preg_replace('/(1[358]{1}[0-9])[0-9]{4}([0-9]{4})/i','$1****$2',$phone);
 }
 }
 Method 2:
 $num = "13966778888"
 $str = substr_replace($num,'****',3,4);
 示例:
 代码如下:
 $phonenum = "13966778888";
 echo hidtel($phonenum);
 最后输出:139****8888
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