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2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article will explain in detail how to configure the system constant file constants.php in the CI framework. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.
Configure system constant
1. Check and configure these preferences when the file system is working
These default values appropriately increase system security when the file system is running, but it is always correct to use octal values when the underlying php or apache opens a separate process for each user.
The mode in which FILE_READ_MODE reads files
The mode in which FILE_WRITE_MODE writes to the file
The mode in which DIR_READ_MODE reads directories
The mode in which DIR_WRITE_MODE writes to the directory
2. File stream mode
We need these patterns when we use fopen () / popen ()
Define ('FOPEN_READ',' rb')
Define ('FOPEN_READ_WRITE', 'rystb')
Define ('FOPEN_WRITE_CREATE_DESTRUCTIVE',' wb')
Define ('FOPEN_READ_WRITE_CREATE_DESTRUCTIVE',' wreckb')
Define ('FOPEN_WRITE_CREATE',' ab')
Define ('FOPEN_READ_WRITE_CREATE',' a roomb')
Define ('FOPEN_WRITE_CREATE_STRICT',' xb')
Define ('FOPEN_READ_WRITE_CREATE_STRICT',' xroomb')
File source code:
The copy code is as follows:
[php]
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