wr_link 8개 더 필드 추가할 경우 ...

// $wr_link1 = '';
// if (isset($_POST['wr_link1'])) {
//     $wr_link1 = substr($_POST['wr_link1'],0,1000);
//     $wr_link1 = trim(strip_tags($wr_link1));
//     $wr_link1 = preg_replace("#[\\\]+$#", "", $wr_link1);
// }
// 
// $wr_link2 = '';
// if (isset($_POST['wr_link2'])) {
//     $wr_link2 = substr($_POST['wr_link2'],0,1000);
//     $wr_link2 = trim(strip_tags($wr_link2));
//     $wr_link2 = preg_replace("#[\\\]+$#", "", $wr_link2);
// }

 

for ($i = 1; $i <= 10; $i++) {
    $varname = 'wr_link' . $i;
    ${$varname} = '';

 

    if (isset($_POST[$varname])) {
        ${$varname} = substr($_POST[$varname],0,1000);
        ${$varname} = trim(strip_tags(${$varname}));
        ${$varname} = preg_replace("#[\\\]+$#", "", ${$varname});
    }

 

    //echo ${$varname} . '<br>' . PHP_EOL;
}