For compatibility and reusability of your code, PSR1 recommends that a file should introduce either new symbols (like classes, functions, etc.) or have side-effects (like outputting something, or including other files), but not both at the same time. The first symbol is defined on line 7 and the first side effect is on line 5.
The PSR-1: Basic Coding Standard recommends that a file should either introduce
new symbols, that is classes, functions, constants or similar, or have side effects.
Side effects are anything that executes logic, like for example printing output,
changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state
of an application. It also promotes a cleaner style of programming and makes your code
less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the
PSR-1.
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namespace Freyo\Flysystem\QcloudCOSv4\Client;
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date_default_timezone_set('PRC');
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class Cosapi
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{
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//计算sign签名的时间参数
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const EXPIRED_SECONDS = 180;
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//1M
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const SLICE_SIZE_1M = 1048576;
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//20M 大于20M的文件需要进行分片传输
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const MAX_UNSLICE_FILE_SIZE = 20971520;
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//失败尝试次数
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const MAX_RETRY_TIMES = 3;
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//HTTP请求超时时间
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private static $timeout = 60;
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private static $region = 'gz'; // default region is guangzou
freyo /
flysystem-qcloud-cos-v4
freyo
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.