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How do I match any character across multiple lines in a regular expression?

..., but there should be a modifier that you can add to the regex pattern. In PHP it is: /(.*)<FooBar>/s The s at the end causes the dot to match all characters including newlines. share | imp...
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Uppercase Booleans vs. Lowercase in PHP

When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and FALSE , because the "normal" lowercase versions, true and false , weren't "safe" to use. ...
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How to define an empty object in PHP

...(); A comment in the manual sums it up best: stdClass is the default PHP object. stdClass has no properties, methods or parent. It does not support magic methods, and implements no interfaces. When you cast a scalar or array as Object, you get an instance of stdClass. You can us...
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O2O江湖:2015大洗牌 2016 BAT等巨头将“肉搏” - 资讯 - 清泛网 - 专注C/C++及内核技术

...。新政一出,不禁让人质疑,这岂不是让本想解决出租车问题的专车沦为跟出租车一样的“二出租”? 移动会议专家创始人余德认为:“拥堵、安全等不是管理专车的遮羞布,牌照制才是出租领域的恶根。放弃既得利益、寻租...
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How to allow to accept only image files?

...ttp://www.w3schools.com/tags/att_input_accept.asp http://www.w3schools.com/php/php_file_upload.asp share | improve this answer | follow | ...
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getting date format m-d-Y H:i:s.u from milliseconds

... php.net says: Microseconds (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microsec...
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Why does PHP consider 0 to be equal to a string?

... This is due to how PHP does the comparison operation that the == comparison operator denotes: If you compare a number with a string or the comparison involves numerical strings, then each string is converted to a number and the comparison p...
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php is null or empty?

I have a question regarding NULL in PHP: 9 Answers 9 ...
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Running Composer returns: “Could not open input file: composer.phar”

...l you to do the following: $ curl -sS https://getcomposer.org/installer | php $ mv composer.phar /usr/local/bin/composer Then it's likely that you, like me, ran those commands and didn't read the next part of the page telling you to stop referring to composer.phar by its full name and abbreviate ...
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What Are the Differences Between PSR-0 and PSR-4?

...rc/, with PSR-0 it means it will look for Acme\Foo\Bar in src/Acme/Foo/Bar.php while in PSR-4 it will look for it in src/Bar.php, allowing for shorter directory structures. On the other hand some prefer to have the full directory structure to clearly see what is in which namespace, so you can also s...