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<?php |
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namespace GeminiLabs\BlackBar; |
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/** |
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* @see: https://github.com/jacobstr/dumpling |
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*/ |
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class Dump |
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{ |
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public $depth; |
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public $ignore; |
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protected $level = 0; |
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protected $result = []; |
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protected $stack = []; |
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/** |
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* @param mixed $value |
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*/ |
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public function dump($value, int $depth = 3, array $ignore = []): string |
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{ |
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$this->depth = $depth; |
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$this->ignore = $ignore; |
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$this->reset(); |
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$this->inspect($value); |
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$result = implode('', $this->result); |
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$result = rtrim($result, "\n"); |
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$this->reset(); |
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return $result; |
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} |
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protected function formatKey(string $key): string |
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{ |
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$result = []; |
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$result[] = str_repeat(' ', $this->level * 4).'['; |
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if (is_string($key) && "\0" === $key[0]) { |
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$keyParts = explode("\0", $key); |
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$result[] = $keyParts[2].(('*' === $keyParts[1]) ? ':protected' : ':private'); |
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} else { |
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$result[] = $key; |
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} |
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$result[] = '] => '; |
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return implode('', $result); |
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} |
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/** |
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* @param mixed $subject |
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*/ |
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protected function inspect($subject): void |
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{ |
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++$this->level; |
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if ($subject instanceof \Closure) { |
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$this->inspectClosure($subject); |
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} elseif (is_object($subject)) { |
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$this->inspectObject($subject); |
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} elseif (is_array($subject)) { |
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$this->inspectArray($subject); |
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} else { |
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$this->inspectPrimitive($subject); |
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} |
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--$this->level; |
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} |
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protected function inspectArray(array $subject): void |
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{ |
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if ($this->level > $this->depth) { |
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$this->result[] = "Nested Array\n"; |
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return; |
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} |
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if (empty($subject)) { |
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$this->result[] = "Array ()\n"; |
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return; |
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} |
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$this->result[] = "Array (\n"; |
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foreach ($subject as $key => $val) { |
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if (false === $this->isIgnoredKey($key)) { |
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$this->result[] = str_repeat(' ', $this->level * 4).'['.$key.'] => '; |
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$this->inspect($val); |
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} |
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} |
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$this->result[] = str_repeat(' ', ($this->level - 1) * 4).")\n"; |
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} |
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protected function inspectClosure(\Closure $subject): void |
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{ |
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$reflection = new \ReflectionFunction($subject); |
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$params = array_map(function ($param) { |
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return ($param->isPassedByReference() ? '&$' : '$').$param->name; |
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}, $reflection->getParameters()); |
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$this->result[] = 'Closure ('.implode(', ', $params).') { ... }'."\n"; |
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} |
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/** |
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* @param object $subject |
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*/ |
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protected function inspectObject($subject): void |
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{ |
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$classname = get_class($subject); |
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if ($this->level > $this->depth) { |
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$this->result[] = 'Nested '.$classname." Object\n"; |
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return; |
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} |
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if ($subject instanceof \ArrayObject) { |
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$this->result[] = $classname." ArrayObject (\n"; |
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} else { |
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$this->result[] = $classname." Object (\n"; |
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$subject = (array) $subject; |
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} |
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foreach ($subject as $key => $val) { |
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if (false === $this->isIgnoredKey($key)) { |
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$this->result[] = $this->formatKey($key); |
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$this->inspect($val); |
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} |
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} |
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$this->result[] = str_repeat(' ', ($this->level - 1) * 4).")\n"; |
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} |
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/** |
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* @param mixed $subject |
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*/ |
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protected function inspectPrimitive($subject): void |
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{ |
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if (true === $subject) { |
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$subject = '(bool) true'; |
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} elseif (false === $subject) { |
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$subject = '(bool) false'; |
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} elseif (null === $subject) { |
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$subject = '(null)'; |
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} |
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$this->result[] = $subject."\n"; |
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} |
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/** |
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* @param string $key |
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*/ |
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protected function isIgnoredKey($key): bool |
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{ |
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return in_array($key, $this->ignore); |
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} |
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protected function reset(): void |
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{ |
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$this->level = 0; |
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$this->result = []; |
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$this->stack = []; |
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} |
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} |
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pryley /
blackbar
