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best practice to generate random token for forgot password

... In PHP, use random_bytes(). Reason: your are seeking the way to get a password 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 wi...
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isset() and empty() - what to use

... $var; (a variable declared, but without a value in a class) From http://php.net/manual/en/function.empty.php As mentioned in the comments the lack of warning is also important with empty() PHP Manual says empty() is the opposite of (boolean) var, except that no warning is generated when...
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How do I implement basic “Long Polling”?

...rror 404 (to show error handling in the coming Javascript example) msgsrv.php <?php if(rand(1,3) == 1){ /* Fake an error */ header("HTTP/1.0 404 Not Found"); die(); } /* Send a string after a random number of seconds (2-10) */ sleep(rand(2,10)); echo("Hi! Have a random number: " . ...
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HTTP authentication logout via PHP

...lso works (a "disconnect" link to this URL) instead of an http redirect in PHP... any downside to that? – moala Mar 21 '12 at 13:40 4 ...
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Convert PHP closing tag into comment

One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line. ...
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How to call a function from a string stored in a variable?

... Thank you guys, for the replies, it indeed throws an error, even in php 5.4, so that syntax only works with object methods. Edited the post. – Lajos Meszaros Feb 3 '14 at 10:10 ...
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Get random item from array [duplicate]

...y pick youtube video from playlist on page load and is working great: <?php $videos = Array(0,1,2,3); echo $videos[array_rand($videos)]; ?> – ioTus Jul 3 '14 at 6:07 64 ...
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PHP reindex array? [duplicate]

...lues does the job : $myArray = array_values($myArray); Also some other php function do not preserve the keys, i.e. reset the index. share | improve this answer | follow ...
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date(): It is not safe to rely on the system\'s timezone settings.解决...

...成的,本文提供了3种方法来解决这个问题。 实际上,从PHP 5.1.0开始当对使用date()等函数时,如果timezone设置不正确,在每一次调用时间函数时,都会产生E_NOTICE 或者 E_WARNING 信息,而又在php中,date.timezone这个选项,默认情况下是...
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php中三个等于号是什么意思?=== - 更多技术 - 清泛网 - 专注C/C++及内核技术

php中三个等于号是什么意思?===1、=:赋值,在逻辑运算时也有效;2、==:等于运算,但是不比较值的类型;3、===:完全等于运算,不仅比较值,而且还比较值的类型,只有两...1、=:赋值,在逻辑运算时也有效; 2、==:等于...