PHP method to convert array values ​​into keys, PHP array into keys_PHP tutorial

How PHP converts array values ​​into keys, PHP arrays into keys

The example in this article describes how PHP converts array values ​​into keys. Share it with everyone for your reference. The details are as follows:

function values2keys($arr, $value=1){
  $new = array();
  while (list($k,$v) = each($arr)){
    $v = trim($v);
    if ($v != ''){ 
      $new[$v] = $value;
    }
  }
  return $new;
}

I hope this article will be helpful to everyone’s PHP programming design.

http://www.bkjia.com/PHPjc/1031486.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1031486.htmlTechArticleHow to convert array values ​​into keys in php, Convert arrays into keys in php This article explains how to convert array values ​​in php Keying method. Share it with everyone for your reference. The details are as follows: function v...