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<?php $refFunc = new ReflectionFunction('preg_replace'); foreach( $refFunc->getParameters() as $param ){ print $param; } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Parameter #0 [ <required> array|string $pattern ]Parameter #1 [ <required> array|string $replacement ]Parameter #2 [ <required> array|string $subject ]Parameter #3 [ <optional> int $limit = -1 ]Parameter #4 [ <optional> &$count = null ]

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