wpdk-crypt.php

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<?php
class WPDKCrypt extends WPDKObject {

  public $__version = '0.9.1';

  public static function uniqcode( $prefix = '', $posfix = '', $max_length = 64 )
  {
    $uniqcode = uniqid( $prefix ) . $posfix;
    if ( ( $uniqcode_len = strlen( $uniqcode ) ) > $max_length ) {
      /* Catch from end */
      return substr( $uniqcode, -$max_length );
    }
    return $uniqcode;
  }

  static function randomAlphaNumber( $len = 8, $extra = '#,!,.' )
  {
    $alfa = 'a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z';
    $num  = '0,1,2,3,4,5,6,7,8,9';
    if ( $extra != '' ) {
      $num .= ',' . $extra;
    }
    $alfa = explode( ',', $alfa );
    $num  = explode( ',', $num );
    shuffle( $alfa );
    shuffle( $num );
    $misc = array_merge( $alfa, $num );
    shuffle( $misc );
    $result = substr( implode( '', $misc ), 0, $len );

    return $result;
  }
}