<?php $closure1 = function(integer $param1) { return $param1 * 2; }; $closure2 = function(string $param1) { return mb_strlen($param1); }; foreach (['preg_replace', $closure1, $closure2] as &$func) { $reflection = new ReflectionFunction($func); if (version_compare(PHP_VERSION, '7.0.0') >= 0) { echo $reflection->getReturnType()." "; } echo $reflection->getName()." ["; foreach($reflection->getParameters() as &$param) { if ((version_compare(PHP_VERSION, '7.0.0') >= 0) and $param->hasType()) { echo $param->getType().($param->allowsNull() ? '|null' : '')." "; } echo ($param->isOptional() ? '[' : '').$param->getName().($param->isOptional() ? ']' : ''); echo "; "; } echo "]"; echo "\n\n\n"; } ?>
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