PHP iterates over array multidimensional numbers with recursion

PHP traversal recursion

Array
(
[dir]/= Array
(
[f:\ Development Test \test\9.14 chanel 1-10] = = Array
(
[dir]/= Array
(
[f:\ Development Test \test\9.14 chanel 1-10\2362_g_1338059108234.jpg] = = Array
(
[File] = Array
(
[0] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261903496506-1.jpg
[1] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261903556506-2.jpg
[2] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904006506-3.jpg
[3] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904076506-4.jpg
[4] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904136506-5.jpg
[5] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904196506-6.jpg
[6] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904256506-7.jpg
[7] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904316506-8.jpg
[8] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\201205261904386506-9.jpg
[9] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\2362_g_1338059108234.jpg
[Ten] = f:\ development test \test\9.14 Chanel 1-10\2362_g_1338059108234.jpg\2362_g_1338059108234.jpg.txt
)

                            ) [f:\ Development test \test\9.14 chanel 1-10\2559_g_1353138243950.jpg] = = Array                                        ([file] = = Array (                                        [0] = f:\ development test \test\9.14 Chanel 1-10\2559_g_1353138243950.jpg\201211171543306517 blue (crocodile skin) -1.jpg [1] = f:\ development test \test\9.14 Chanel 1-10\2559_g_1353138243950.jpg\201211171543306517 blue (crocodile skin)-2 . jpg [2] = f:\ development test \test\9.14 Chanel 1-10\2559_g_1353138243950.jpg\201211171543306517 Blue (crocodile skin) -3.jpg [3] = f:\ development test \test\9.14 Chanel 1-10\2559_g_1353138243950.jpg\2012111715 43316517 Blue (crocodile skin) -4.jpg [4] = f:\ development test \test\9.14 Chanel 1-10\2559_g_1353138243950.jpg\20 1211171543316517 Blue (crocodile skin) -5.jpg [5] = f:\ development test \test\9.14 Chanel 1-10\2559_g_135313824395 0.jpg\2559_g_1353138243950.jpg) [f:\ development test \test\9.14 Chanel 1-10\                                    New Folder] = = Array ([dir] = = Array                                            ([f:\ dev test \test\9.14 chanel 1-10\ new folder \2558_g_1349878776638.jpg] + = Array                                                    ([File] = Array ([0] = = f:\ Development Test \test\9.1                                                        4 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\201210102219156516 crocodile pattern (Guban) -1.jpg                                                        [1] = = f:\ Development Test \test\9.14 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\201210102219156516 crocodile pattern (Guban) -2.jpg [2] = f:\ development test \test\9.14 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\2012101022191665       16 g crocodile pattern (Guban) -3.jpg                                                 [3] = f:\ development test \test\9.14 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\2012101 02219176516 G crocodile pattern (Guban) -4.jpg [4] = f:\ dev test \test\9.14 chanel 1-10\ new folder \2558_g_1349878776638.jpg\201210102219176516 crocodile pattern (Guban) -5.jpg [5] =&G T                                                        f:\ Development Test \test\9.14 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\201210102219186516 crocodile pattern (Guban) -6.jpg                                                         [6] = = f:\ Development Test \test\9.14 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\201210102219186516 crocodile pattern (Guban) -7.jpg [7] = f:\ development test \test\9.14 Chanel 1-10\ new folder \2558_g_1349878776638.jpg\                                         2558_g_1349878776638.jpg))                                            [f:\ Development Test \test\9.14 Chanel 1-10\ new folder \shiasd] = = Array       (                                     )                                    )                            ) )            )    )

)
Please help to return all the key values in the above array recursively to a one-dimensional array

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