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<?php |
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/* |
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* (c) Jean-François Lépine <https://twitter.com/Halleck45> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Hal\Component\Output; |
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/** |
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* Class CliOutput |
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* @package Hal\Component\Output |
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*/ |
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/** |
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* Class CliOutput |
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* @package Hal\Component\Issue |
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*/ |
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/** |
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* Class ProgressBar |
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* @package Hal\Component\Output |
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*/ |
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class ProgressBar |
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{ |
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/** |
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* @var Output |
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*/ |
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private $output; |
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/** |
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* @var int |
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*/ |
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private $max; |
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/** |
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* @var int |
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*/ |
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private $current = 0; |
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/** |
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* ProgressBar constructor. |
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* @param Output $output |
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* @param int $max |
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*/ |
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public function __construct(Output $output, $max) |
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{ |
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$this->output = $output; |
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$this->max = $max; |
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} |
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/** |
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* Start progress bar |
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*/ |
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public function start() |
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{ |
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$this->current = 0; |
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} |
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/** |
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* Advance progress bar |
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*/ |
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public function advance() |
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{ |
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$this->current++; |
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if ($this->hasAnsi()) { |
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$percent = round($this->current / $this->max * 100); |
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$this->output->write("\x0D"); |
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$this->output->write("\x1B[2K"); |
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$this->output->write(sprintf('... %s%% ...', $percent)); |
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} else { |
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$this->output->write('.'); |
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} |
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} |
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/** |
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* Clear console |
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*/ |
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public function clear() |
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{ |
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if ($this->hasAnsi()) { |
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$this->output->write("\x0D"); |
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$this->output->write("\x1B[2K"); |
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$this->output->clearln(); |
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} |
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} |
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/** |
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* Detects ANSI support |
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* |
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* @return bool |
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*/ |
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protected function hasAnsi() |
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{ |
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if (DIRECTORY_SEPARATOR === '\\') { |
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return |
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0 >= version_compare('10.0.10586', |
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PHP_WINDOWS_VERSION_MAJOR . '.' . PHP_WINDOWS_VERSION_MINOR . '.' . PHP_WINDOWS_VERSION_BUILD) |
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|| false !== getenv('ANSICON') |
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|| 'ON' === getenv('ConEmuANSI') |
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|| 'xterm' === getenv('TERM'); |
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} |
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return function_exists('posix_isatty') && @posix_isatty($this->stream); |
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} |
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} |
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phpmetrics /
PhpMetrics
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: