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<?php |
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namespace hiqdev\composerextensionplugin; |
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use Closure; |
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use ReflectionFunction; |
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/** |
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* Helper class. |
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* |
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* @author Andrii Vasyliev <[email protected]> |
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*/ |
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class Helper |
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{ |
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/** |
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* Merges two or more arrays into one recursively. |
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* Based on Yii2 yii\helpers\BaseArrayHelper::merge. |
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* @param array $a array to be merged to |
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* @param array $b array to be merged from |
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* @return array the merged array |
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*/ |
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public static function mergeConfig($a, $b) |
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{ |
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$args = func_get_args(); |
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$res = array_shift($args); |
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foreach ($args as $items) { |
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if (!is_array($items)) { |
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continue; |
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} |
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foreach ($items as $k => $v) { |
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if (is_int($k)) { |
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if (isset($res[$k])) { |
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$res[] = $v; |
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} else { |
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$res[$k] = $v; |
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} |
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} elseif (is_array($v) && isset($res[$k]) && is_array($res[$k])) { |
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$res[$k] = self::mergeConfig($res[$k], $v); |
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} else { |
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$res[$k] = $v; |
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} |
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} |
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} |
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return $res; |
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} |
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/** |
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* Dumps closure object to string. |
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* Based on http://www.metashock.de/2013/05/dump-source-code-of-closure-in-php/ |
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* @param Closure $c |
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* @return string |
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*/ |
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public static function dumpClosure(Closure $c) { |
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$res = 'function ('; |
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$fun = new ReflectionFunction($c); |
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$args = []; |
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foreach($fun->getParameters() as $arg) { |
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$str = ''; |
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if($arg->isArray()) { |
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$str .= 'array '; |
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} else if($arg->getClass()) { |
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$str .= $arg->getClass()->name . ' '; |
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} |
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if($arg->isPassedByReference()){ |
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$str .= '&'; |
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} |
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$str .= '$' . $arg->name; |
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if ($arg->isOptional()) { |
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$str .= ' = ' . var_export($arg->getDefaultValue(), true); |
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} |
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$args[] = $str; |
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} |
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$res .= implode(', ', $args); |
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$res .= ') {' . PHP_EOL; |
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$lines = file($fun->getFileName()); |
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for ($i = $fun->getStartLine(); $i < $fun->getEndLine(); $i++) { |
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$res .= $lines[$i]; |
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} |
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return rtrim($res, "\n ,"); |
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} |
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/** |
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* Returns a parsable string representation of given value. |
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* In contrast to var_dump outputs Closures as PHP code. |
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* @param mixed $value |
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* @return string |
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*/ |
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public static function exportVar($value) |
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{ |
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$closures = self::collectClosures($value); |
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$res = var_export($value, true); |
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if (!empty($closures)) { |
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$subs = []; |
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foreach ($closures as $key => $closure) { |
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$subs["'" . $key . "'"] = self::dumpClosure($closure); |
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} |
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$res = strtr($res, $subs); |
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} |
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return $res; |
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} |
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/** |
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* Collects closures from given input. |
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* Substitutes closures with a tag. |
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* @param mixed $input will be changed |
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* @return array array of found closures |
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*/ |
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private static function collectClosures(&$input) { |
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static $closureNo = 1; |
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$closures = []; |
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if (is_array($input)) { |
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foreach ($input as &$value) { |
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if (is_array($value) || $value instanceof Closure) { |
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$closures = array_merge($closures, self::collectClosures($value)); |
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} |
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} |
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} elseif ($input instanceof Closure) { |
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$closureNo++; |
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$key = "--==<<[[((Closure#$closureNo))]]>>==--"; |
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$closures[$key] = $input; |
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$input = $key; |
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} |
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return $closures; |
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} |
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} |
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hiqdev /
composer-extension-plugin
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.