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<?php function foo($arg){ var_dump($arg); $path = '../dir/'.$arg; echo $arg; $results = scandir($arg); } preg_replace('/a/', foo("$1"), 'a');
Output for git.master, git.master_jit, rfc.property-hooks
string(2) "$1" $1 Warning: scandir(): open_basedir restriction in effect. File($1) is not within the allowed path(s): (/tmp:/in:/etc) in /in/kASOi on line 6 Warning: scandir($1): Failed to open directory: Operation not permitted in /in/kASOi on line 6 Warning: scandir(): (errno 1): Operation not permitted in /in/kASOi on line 6 Deprecated: preg_replace(): Passing null to parameter #2 ($replacement) of type array|string is deprecated in /in/kASOi on line 8

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