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Simplest way to detect a mobile device in PHP

...est way to tell if a user is using a mobile device to browse my site using PHP? 15 Answers ...
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Regex Email validation

...ht, fail to catch at least two invalid formats: "Abc.@example.com" , "Abc..123@example.com" – sean717 Aug 22 '12 at 5:22 ...
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Determining Referer in PHP

...nd(), TRUE); $_SESSION['token'] = $token; $url = "http://example.com/index.php?token={$token}"; Then the index.php will look like this: if(empty($_GET['token']) || $_GET['token'] !== $_SESSION['token']) { show_404(); } //Continue with the rest of code I do know of secure sites that do the...
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json_encode sparse PHP array as JSON array, not JSON object

I have the following array in PHP: 4 Answers 4 ...
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PHP - find entry by object property from an array of objects

...tion and subsequent answers for more information on the latter - Reference PHP array by multiple indexes share | improve this answer | follow | ...
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PHP 后端示例的 Node.js 与 Python 对应源码 · App Inventor 2 中文网

... 搜索 PHP 后端示例的 Node.js 与 Python 对应源码 每个 HTTP 示例都可以单独启动,默认监听 0.0.0.0:3000;同时运行多个服务时,通过 PORT 设置不同端口。...
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How do I compare version numbers in Python?

...3.a4"), version.Version) True >>> isinstance(version.parse("1.3.xy123"), version.LegacyVersion) True >>> version.Version("1.3.xy123") Traceback (most recent call last): ... packaging.version.InvalidVersion: Invalid version: '1.3.xy123' packaging.version.parse is a third-party uti...
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Are “elseif” and “else if” completely synonymous?

... From the PHP manual: In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this i...
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PHP json_decode() returns NULL with valid JSON?

... On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0. – Joel A. Villarreal Bertoldi Mar 9 '10 at 15:54 1 ...
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Parsing domain from a URL

... Or simply: print parse_url($url, PHP_URL_HOST)) if you don't need the $parse array for anything else. – rybo111 Aug 24 '16 at 12:03 ...