23 lines
1.1 KiB
HTML
23 lines
1.1 KiB
HTML
<p>
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Once the Date API is installed, all functions in the API are available to be used
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anywhere by any module. If the Date Timezone module is installed, the system site
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timezone selector and the user timezone selectors are overwritten to allow the
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selection of timezone names instead of offsets. Proper timezone conversion
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requires knowledge of those timezone names, something that is not currently
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available in Drupal core, and the change in selectors makes it possible to track it.
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</p>
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<p>
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In most cases, you should enable the Date Timezone module any time you use the
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Date API to be able to set the site and user timezone names. It is not enabled by
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default in case another module is setting timezone names in the database.
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</p>
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<p>
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The API uses the PHP 5.2 date functions to create and manipulate dates, and
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contains an option module that will emulate those functions in earlier versions
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of PHP.
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</p>
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<p>
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If you are using PHP 4 or PHP 5.0 or 5.1, native date handling won't work right.
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Install the Date_PHP4 module to enable wrapper functions so this code will work
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in old PHP versions.
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</p>
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