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2025-01-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly shows you "what are the rules for the use of php array", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "what are the rules for the use of php array" this article.
The specific analysis is as follows:
Arrays play a very important role in php. String, picture, digital, video and so on all exist in the form of an array, so it is necessary to understand the rules of the array.
1. Key, value.
The basic form of the array:
Array ([key = >] value,...)
Key= > value, in which key can only be two, integer and string. The value can be in various forms, and all values except numbers must be enclosed in''or "" around the string. The following example illustrates the rule:
Output result: Array ([- 1] = > 2 [- 2] = > 3 [01] = > 99.jpg [0] = > 8 [1] = > 0.5 = > 1 [2] = > [3] = >)
These are all the contents of the article "what are the rules for the use of php arrays?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!
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