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(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)
IntlDateFormatter::setPattern -- datefmt_set_pattern — Set the pattern used for the IntlDateFormatter
面向对象风格
$pattern): bool
过程化风格
Set the pattern used for the IntlDateFormatter.
formatter
The formatter resource.
pattern
New pattern string to use. Possible patterns are documented at » https://unicode-org.github.io/icu/userguide/format_parse/datetime/.
成功时返回 true， 或者在失败时返回 false。
Bad formatstrings are usually the cause of the failure.
示例 #1 datefmt_set_pattern() example
<?php
$fmt = datefmt_create(
'en_US',
IntlDateFormatter::FULL,IntlDateFormatter::FULL,
'America/Los_Angeles',
IntlDateFormatter::GREGORIAN,
'MM/dd/yyyy'
);
echo 'Pattern of the formatter is : ', datefmt_get_pattern($fmt), PHP_EOL;
echo 'First Formatted output with pattern is ', datefmt_format($fmt, 0), PHP_EOL;
datefmt_set_pattern($fmt, 'yyyyMMdd hh:mm:ss z');
echo 'Now pattern of the formatter is : ', datefmt_get_pattern($fmt), PHP_EOL;
echo 'Second Formatted output with pattern is ', datefmt_format($fmt, 0), PHP_EOL;
?>
示例 #2 OO example
<?php
$fmt = new IntlDateFormatter(
'en_US',
IntlDateFormatter::FULL,IntlDateFormatter::FULL,
'America/Los_Angeles',
IntlDateFormatter::GREGORIAN,
'MM/dd/yyyy'
);
echo 'Pattern of the formatter is : ', $fmt->getPattern(), PHP_EOL;
echo 'First Formatted output is ', $fmt->format(0), PHP_EOL;
$fmt->setPattern('yyyyMMdd hh:mm:ss z');
echo 'Now pattern of the formatter is : ', $fmt->getPattern(), PHP_EOL;
echo 'Second Formatted output is ', $fmt->format(0), PHP_EOL;
?>
以上例程会输出：
Pattern of the formatter is : MM/dd/yyyy First Formatted output is 12/31/1969 Now pattern of the formatter is : yyyyMMdd hh:mm:ss z Second Formatted output is 19691231 04:00:00 PST
