Found a total of 3 related content
What is the difference between js global variables and php global variables?
Article Introduction:The difference between js global variables and php global variables: PHP needs to use the global keyword when calling global variables in a function. This keyword is used to import global variables, while calling global variables in js does not require the use of keywords.
2022-02-21
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What is the difference between global variables and local variables in php
Article Introduction:Difference: 1. Local variables are variables defined inside a function and can only be used within the function in which they are defined; global variables are variables defined outside all functions, and their scope is anywhere in the current source code, but within the function is unavailable. 2. Local variables will be automatically destroyed when the function call ends, and global variables will not be destroyed until the program ends.
2021-09-17
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2581
What are the differences between php variable and constant naming?
Article Introduction:The differences in naming PHP variables and constants: 1. The variable name needs to be modified with the dollar sign "$"; there is no dollar sign before the constant name. 2. Variable names are generally lowercase. When they consist of multiple words, the first letter of the first word is lowercase, and the first letter of the remaining words is uppercase; while constant names are generally all uppercase.
2022-02-18
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2444