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Classe per messaggi colorati per php-cli

Semplice classe per gestire in modo semplice ma abbastanza variegato l'output e i messaggi all'utente in uno script php-cli

<?php

class CliColors

  {

  var $error = "";

  var $warning = "";

  var $ok = "";

  var $reset = "\033[0m";

  var $str = "\033[%s%s\033[37m\n";

  var $white = "1;37m";

  var $red = "1;31m";

  var $yellow = "1;33m";

  var $green = "1;32m";

  var $blu = "1;34m";

  var $cyan = "1;36m";

  var $purple = "1;35m";

  var $gray = "1;30m";

  var $orange = "0;33m";

  var $errc = "";

  var $warc = "";

  var $okc = "";

  function CliColors($error = "red", $warning = "yellow", $ok = "green")

    {

    $this->check_color($error);

    $this->check_color($warning);

    $this->check_color($ok);

    $this->errc = $this->$error;

    $this->warc = $this->$warning;

    $this->okc = $this->$ok;

    }

  function check_color($color)

    {

    if(empty($this->$color))

      {

      $ret = $this->white;

      trigger_error("Color '$color' not found", E_USER_NOTICE);

      }

    else

      $ret = $this->$color;

    return $ret;

    }

  function color($color, $txt)

    {

    echo sprintf($this->str, $this->check_color($color), $txt);

    echo $this->reset;

    }

  function error($txt, $die = false)

    {

    echo sprintf($this->str, $this->errc, $txt);

    echo $this->reset;

    if($die)

      die();

    }

  function warning($txt)

    {

    echo sprintf($this->str, $this->warc, $txt);

    echo $this->reset;

    }

  function ok($txt)

    {

    echo sprintf($this->str, $this->okc, $txt);

    echo $this->reset;

    }

  }

?>