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best practice to generate random token for forgot password

...d reminder token, and, if it is a one-time login credentials, then you actually have a data to protect (which is - whole user account) So, the code will be as follows: //$length = 78 etc $token = bin2hex(random_bytes($length)); Update: previous versions of this answer was referring to uniqid()...
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Find files containing a given text

... find them and grep for the string: This will find all files of your 3 types in /starting/path and grep for the regular expression '(document\.cookie|setcookie)'. Split over 2 lines with the backslash just for readability... find /starting/path -type f -name "*.php" -o -nam...
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Is there a PHP Sandbox, something like JSFiddle is to JS? [closed]

... most sophisticated is: http://3v4l.org/ It lets you test your code in all PHP versions starting from PHP4. If you want something for your local environment, the Runkit extension aims to provide a PHP Sandbox: Instantiating the Runkit_Sandbox class creates a new thread with its own scope an...
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Iterate over each line in a string in PHP

I have a form that allows the user to either upload a text file or copy/paste the contents of the file into a textarea. I can easily differentiate between the two and put whichever one they entered into a string variable, but where do I go from there? ...
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How to check that a string is an int, but not a double, etc.?

... (ctype_digit($testcase)) { echo "The string $testcase consists of all digits.\n"; } else { echo "The string $testcase does not consist of all digits.\n"; } } ?> The above example will output: The string 1820.20 does not consist of all digits. The string 10002 consists...
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What does the Reflect object do in JavaScript?

...ble: ES6 spec, Reflection MDN Reflect (including details and examples to all of its methods) Original answer (for (historic) understanding and extra examples): The Reflection proposal seems to have progressed to the Draft ECMAScript 6 Specification. This document currently outlines the Reflect...
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What is the difference between self::$bar and static::$bar in PHP?

...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class. Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...
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How to check if a string starts with a specified string? [duplicate]

...-thread cache of compiled regular expressions (up to 4096). http://www.php.net/manual/en/intro.pcre.php share | improve this answer | follow | ...
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PHP Regex to check date is in YYYY-MM-DD format

...ing to be more fuss -- and February 29 cannot be validated with a regex at all. The drawback of this approach is that you have to be very careful to reject all possible "bad" inputs while not emitting a notice under any circumstances. Here's how: explode is limited to return 3 tokens (so that if ...
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【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术

...界面优化方案。 3、淘宝过程中经常存在用户信息泄露的问题,而快递公司必须知道买家的联系方式,淘宝商家利用这个联系方式向用户发送营销信息。 请设计一个流程来改善这个问题,必须包括: 1)分析淘宝卖家、买家和...