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Correctly determine if date string is a valid date in that format

...t;format($format) === $date; } [Function taken from this answer. Also on php.net. Originally written by Glavić.] Test cases: var_dump(validateDate('2013-13-01')); // false var_dump(validateDate('20132-13-01')); // false var_dump(validateDate('2013-11-32')); // false var_dump(validateDate('2...
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php var_dump() vs print_r()

What is the difference between var_dump() and print_r() in terms of spitting out an array as string? 12 Answers ...
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How would you make a comma-separated string from a list of strings?

...gIO import StringIO import csv l = ['list','of','["""crazy"quotes"and\'',123,'other things'] line = StringIO.StringIO() writer = csv.writer(line) writer.writerow(l) csvcontent = line.getvalue() # 'list,of,"[""""""crazy""quotes""and\'",123,other things\r\n' ...
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App Inventor 2 串口调试 App 全方案技术调研 - App应用开发 - 清泛IT社区,为创新赋能!

...发 方案4:Web Serial API(WebView 方案)— 不可行 关键问题:Android System WebView 不支持 Web Serial API。Google出于安全考虑在WebView中禁用了navigator.serial接口。只有Chrome浏览器本身支持,WebView不支持也没计划支持。 结论:不可行,...
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How to remove non-alphanumeric characters?

...'hello-world'); // helloworld preg_replace('/[^\p{L}\p{N} ]+/', '', 'abc@~#123-+=öäå'); // abc123öäå preg_replace('/[^\p{L}\p{N} ]+/', '', '你好世界!@£$%^&*()'); // 你好世界 Note: This is a very old, but still relevant question. I am answering purely to provide supplementary i...
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PHP code to remove everything but numbers

....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f6604455%2fphp-code-to-remove-everything-but-numbers%23new-answer', 'question_page'); } ); Post as a guest ...
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Single Sign On across multiple domains [closed]

... There is a master domain, login.mydomain.com with the script master_login.php that manages the logins. Each client domain has the script client_login.php All the domains have a shared user session database. When the client domain requires the user to be logged in, it redirects to the master domain ...
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1

...won't be allowed. So, here's a post to help you do just that, along with a PHP class to make your life easier. 1. Create a developer account: Set yourself up a developer account on Twitter You need to visit the official Twitter developer site and register for a developer account. This is a free an...
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Replace multiple characters in one replace call

... double click/cscript/wscript: var chars = {a:'1', b:'2', c:'3'}; var s = '123abc123'; var u = s.replace(/[abc]/g, function(m) { return chars[m]; }); WScript.echo(u); – Dmitry Jun 15 '18 at 20:52 ...
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Passing $_POST values with cURL

... Should work fine. $data = array('name' => 'Ross', 'php_master' => true); // You can POST a file by prefixing with an @ (for <input type="file"> fields) $data['file'] = '@/home/user/world.jpg'; $handle = curl_init($url); curl_setopt($handle, CURLOPT_POST, true); cur...