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Diffstat (limited to 'vendor/sebastian/exporter/src/Exporter.php')
| -rw-r--r-- | vendor/sebastian/exporter/src/Exporter.php | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/vendor/sebastian/exporter/src/Exporter.php b/vendor/sebastian/exporter/src/Exporter.php new file mode 100644 index 0000000..08e6ef1 --- /dev/null +++ b/vendor/sebastian/exporter/src/Exporter.php @@ -0,0 +1,303 @@ +<?php +/* + * This file is part of the Exporter package. + * + * (c) Sebastian Bergmann <sebastian@phpunit.de> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace SebastianBergmann\Exporter; + +use SebastianBergmann\RecursionContext\Context; + +/** + * A nifty utility for visualizing PHP variables. + * + * <code> + * <?php + * use SebastianBergmann\Exporter\Exporter; + * + * $exporter = new Exporter; + * print $exporter->export(new Exception); + * </code> + */ +class Exporter +{ + /** + * Exports a value as a string + * + * The output of this method is similar to the output of print_r(), but + * improved in various aspects: + * + * - NULL is rendered as "null" (instead of "") + * - TRUE is rendered as "true" (instead of "1") + * - FALSE is rendered as "false" (instead of "") + * - Strings are always quoted with single quotes + * - Carriage returns and newlines are normalized to \n + * - Recursion and repeated rendering is treated properly + * + * @param mixed $value + * @param int $indentation The indentation level of the 2nd+ line + * @return string + */ + public function export($value, $indentation = 0) + { + return $this->recursiveExport($value, $indentation); + } + + /** + * @param mixed $data + * @param Context $context + * @return string + */ + public function shortenedRecursiveExport(&$data, Context $context = null) + { + $result = array(); + $exporter = new self(); + + if (!$context) { + $context = new Context; + } + + $array = $data; + $context->add($data); + + foreach ($array as $key => $value) { + if (is_array($value)) { + if ($context->contains($data[$key]) !== false) { + $result[] = '*RECURSION*'; + } + + else { + $result[] = sprintf( + 'array(%s)', + $this->shortenedRecursiveExport($data[$key], $context) + ); + } + } + + else { + $result[] = $exporter->shortenedExport($value); + } + } + + return implode(', ', $result); + } + + /** + * Exports a value into a single-line string + * + * The output of this method is similar to the output of + * SebastianBergmann\Exporter\Exporter::export(). + * + * Newlines are replaced by the visible string '\n'. + * Contents of arrays and objects (if any) are replaced by '...'. + * + * @param mixed $value + * @return string + * @see SebastianBergmann\Exporter\Exporter::export + */ + public function shortenedExport($value) + { + if (is_string($value)) { + $string = $this->export($value); + + if (function_exists('mb_strlen')) { + if (mb_strlen($string) > 40) { + $string = mb_substr($string, 0, 30) . '...' . mb_substr($string, -7); + } + } else { + if (strlen($string) > 40) { + $string = substr($string, 0, 30) . '...' . substr($string, -7); + } + } + + return str_replace("\n", '\n', $string); + } + + if (is_object($value)) { + return sprintf( + '%s Object (%s)', + get_class($value), + count($this->toArray($value)) > 0 ? '...' : '' + ); + } + + if (is_array($value)) { + return sprintf( + 'Array (%s)', + count($value) > 0 ? '...' : '' + ); + } + + return $this->export($value); + } + + /** + * Converts an object to an array containing all of its private, protected + * and public properties. + * + * @param mixed $value + * @return array + */ + public function toArray($value) + { + if (!is_object($value)) { + return (array) $value; + } + + $array = array(); + + foreach ((array) $value as $key => $val) { + // properties are transformed to keys in the following way: + // private $property => "\0Classname\0property" + // protected $property => "\0*\0property" + // public $property => "property" + if (preg_match('/^\0.+\0(.+)$/', $key, $matches)) { + $key = $matches[1]; + } + + // See https://github.com/php/php-src/commit/5721132 + if ($key === "\0gcdata") { + continue; + } + + $array[$key] = $val; + } + + // Some internal classes like SplObjectStorage don't work with the + // above (fast) mechanism nor with reflection in Zend. + // Format the output similarly to print_r() in this case + if ($value instanceof \SplObjectStorage) { + // However, the fast method does work in HHVM, and exposes the + // internal implementation. Hide it again. + if (property_exists('\SplObjectStorage', '__storage')) { + unset($array['__storage']); + } elseif (property_exists('\SplObjectStorage', 'storage')) { + unset($array['storage']); + } + + if (property_exists('\SplObjectStorage', '__key')) { + unset($array['__key']); + } + + foreach ($value as $key => $val) { + $array[spl_object_hash($val)] = array( + 'obj' => $val, + 'inf' => $value->getInfo(), + ); + } + } + + return $array; + } + + /** + * Recursive implementation of export + * + * @param mixed $value The value to export + * @param int $indentation The indentation level of the 2nd+ line + * @param \SebastianBergmann\RecursionContext\Context $processed Previously processed objects + * @return string + * @see SebastianBergmann\Exporter\Exporter::export + */ + protected function recursiveExport(&$value, $indentation, $processed = null) + { + if ($value === null) { + return 'null'; + } + + if ($value === true) { + return 'true'; + } + + if ($value === false) { + return 'false'; + } + + if (is_float($value) && floatval(intval($value)) === $value) { + return "$value.0"; + } + + if (is_resource($value)) { + return sprintf( + 'resource(%d) of type (%s)', + $value, + get_resource_type($value) + ); + } + + if (is_string($value)) { + // Match for most non printable chars somewhat taking multibyte chars into account + if (preg_match('/[^\x09-\x0d\x1b\x20-\xff]/', $value)) { + return 'Binary String: 0x' . bin2hex($value); + } + + return "'" . + str_replace(array("\r\n", "\n\r", "\r"), array("\n", "\n", "\n"), $value) . + "'"; + } + + $whitespace = str_repeat(' ', 4 * $indentation); + + if (!$processed) { + $processed = new Context; + } + + if (is_array($value)) { + if (($key = $processed->contains($value)) !== false) { + return 'Array &' . $key; + } + + $array = $value; + $key = $processed->add($value); + $values = ''; + + if (count($array) > 0) { + foreach ($array as $k => $v) { + $values .= sprintf( + '%s %s => %s' . "\n", + $whitespace, + $this->recursiveExport($k, $indentation), + $this->recursiveExport($value[$k], $indentation + 1, $processed) + ); + } + + $values = "\n" . $values . $whitespace; + } + + return sprintf('Array &%s (%s)', $key, $values); + } + + if (is_object($value)) { + $class = get_class($value); + + if ($hash = $processed->contains($value)) { + return sprintf('%s Object &%s', $class, $hash); + } + + $hash = $processed->add($value); + $values = ''; + $array = $this->toArray($value); + + if (count($array) > 0) { + foreach ($array as $k => $v) { + $values .= sprintf( + '%s %s => %s' . "\n", + $whitespace, + $this->recursiveExport($k, $indentation), + $this->recursiveExport($v, $indentation + 1, $processed) + ); + } + + $values = "\n" . $values . $whitespace; + } + + return sprintf('%s Object &%s (%s)', $class, $hash, $values); + } + + return var_export($value, true); + } +} |