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Function study notes

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WBOYOriginal
2016-07-29 08:57:11858browse

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defined()

                                                                                                                                                                                                                                                      Detect Constant  Whether to set up

global application                                                                                                blog/item/df5c960e50ec66e436d12203 .html
@

                                                                                                                                                                                               Error control operator

The above introduces the function learning notes, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.

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