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<?php |
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namespace SakhCom\VarExport; |
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/** |
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* Class VarExport |
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* |
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* @package SakhCom\VarExport |
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*/ |
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class VarExport |
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{ |
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private $variable; |
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/** |
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* VarExport constructor. |
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* |
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* @param mixed $variable |
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*/ |
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public function __construct($variable) |
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{ |
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$this->variable = $variable; |
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} |
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/** |
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* Export the variable |
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* |
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* @param int $maxDepth maximum depth |
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* @return string |
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*/ |
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public function export($maxDepth = -1) |
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{ |
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return $this->exportRef($this->variable, $maxDepth === -1 ? -1 : $maxDepth + 1); |
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} |
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/** |
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* @param mixed $ref |
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* @param int $maxDepth maximum depth |
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* @param int $indent |
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* @return string |
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*/ |
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private function exportRef($ref, $maxDepth, $indent = 0) |
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{ |
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if ($maxDepth !== -1) { |
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$maxDepth--; |
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} |
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switch (gettype($ref)) { |
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case 'boolean': |
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return $ref ? 'true' : 'false'; |
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case 'integer': |
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case 'double': |
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return $ref; |
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case 'string': |
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return "'" . $this->escapeString($ref) . "'"; |
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case 'resource': |
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case 'NULL': |
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return 'NULL'; |
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case 'array': |
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$output = ''; |
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$baseIndentString = str_repeat(' ', $indent * 2); |
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$indentString = str_repeat(' ', ($indent + 1) * 2); |
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if ($indent > 0) { |
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$output .= PHP_EOL . $baseIndentString; |
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} |
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$output .= 'array ('; |
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if ($maxDepth === -1 || $maxDepth > 0) { |
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$output .= PHP_EOL; |
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foreach ($ref as $key => $value) { |
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$output .= $indentString . $this->exportElement($key, $value, $maxDepth, $indent); |
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} |
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$output .= $baseIndentString . ')'; |
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} else { |
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$output .= '...)'; |
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} |
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return $output; |
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case 'object': |
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$output = ''; |
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$baseIndentString = str_repeat(' ', $indent * 2); |
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$indentString = str_repeat(' ', ($indent + 1) * 2 + 1); |
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if ($indent > 0) { |
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$output .= PHP_EOL . $baseIndentString; |
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} |
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$output .= get_class($ref) . '::__set_state(array('; |
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if ($maxDepth === -1 || $maxDepth > 0) { |
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$output .= PHP_EOL; |
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$reflection = new \ReflectionClass($ref); |
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foreach (get_object_vars($ref) as $key => $value) { |
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$output .= $indentString . $this->exportElement($key, $value, $maxDepth, $indent); |
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} |
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foreach ($reflection->getProperties(\ReflectionProperty::IS_PRIVATE | \ReflectionProperty::IS_PROTECTED) as $property) { |
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$key = $property->getName(); |
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$property->setAccessible(true); |
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$value = $property->getValue($ref); |
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$output .= $indentString . $this->exportElement($key, $value, $maxDepth, $indent); |
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$property->setAccessible(false); |
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} |
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$output .= $baseIndentString . '))'; |
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} else { |
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$output .= '...))'; |
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} |
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return $output; |
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default: |
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return '{unknown}'; |
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} |
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} |
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/** |
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* @param $key |
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* @param $value |
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* @param $maxDepth |
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* @param $indent |
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* @return string |
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*/ |
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private function exportElement($key, $value, $maxDepth, $indent) |
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{ |
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return $this->exportRef($key, $maxDepth, $indent + 1) . |
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' => ' . |
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$this->exportRef($value, $maxDepth, $indent + 1) . |
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',' . |
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PHP_EOL; |
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} |
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/** |
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* @param string $string |
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* @return string |
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*/ |
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private function escapeString($string) |
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{ |
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$string = str_replace('\\', '\\\\', $string); |
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$string = preg_replace("#(?!=\\\)'#", '\\\'', $string); |
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return $string; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return (string)$this->export(); |
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} |
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} |
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SakhCom /
var-export
