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風(fēng)豆丁（Student ID：17460）

PHP developer integral4

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Published Q&A Q&A for replies Follow Q&A

From PHP

Fatal error: Call to undefined function imagespeg() in D:\phpStudy\WWW\image\water.php on line 85

2017-08-241 answers

From PHP

I don’t know much about callbacks. How does the second 1 come from the beginning, and the parameters after 3. I drew a picture, but I still can’t imagine how it works.

2017-08-212 answers

From PHP

Help me figure out what's wrong with this bubble sort.

2017-08-222 answers

From PHP

Why is the picture not displayed when using the GD2 function to generate a 4-digit verification code?

2017-08-211 answers

From PHP

Why is the picture not displayed when using the GD2 function to generate a 4-digit verification code?

2017-08-211 answers