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Can't use method return value in write context
... functions.
However, the real problem you have is that you use empty() at all, mistakenly believing that "empty" value is any different from "false".
Empty is just an alias for !isset($thing) || !$thing. When the thing you're checking always exists (in PHP results of function calls always exist), ...
为何谷歌不可复制？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...可使用并从中受益，那么糟糕的广告(即信息)就自然是个问题了。因此，即使牺牲周末时间，他们也决定解决这个问题。”
谷歌之所以成为后德鲁克时代最具代表性的公司，除了两位创始人的学院派的作风外，谷歌公司也延续...
社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...果能把账号和IP的访问策略控制好了，基本可以解决这个问题了。当然对方网站也会有运维会调整策略，说到底这是一个战争，躲在电脑屏幕后的敌我双方，爬虫必须要能感知到对方的反监控策略进行了调整，通知管理员及时处...
What generates the “text file busy” message in Unix?
...table while it was running.
For example, I was building a make workalike called rmk, and after a while it was self-maintaining. I would run the development version and have it build a new version. To get it to work, it was necessary to use the workaround:
gcc -g -Wall -o rmk1 main.o -L. -lrmk -L...
How to call function of one php file from another php file and pass parameters to it?
I want to call a function in one PHP file from a second PHP file and also pass two parameters to that function. How can I do this?
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Wrong syntax highlighting for PHP file in PHPStorm
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You sir... are a saint... this has been driving me up a wall.. For anyone wondering, just look under text files, sure enough at the end, i had like 10 files that had driven me nuts.... WOOT! YOU ROCK!
– Destreyf
Apr 29 '14 at 1:41
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Why do some scripts omit the closing PHP tag, '?>'? [duplicate]
...other characters at the end of file. For example any char which is accidentally added behind the closing tag would trigger an error when trying to modify header info later.
Removing the closing tag is kind of "good practice" referring to many coding guidelines.
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PHP function to generate v4 UUID
... PHP docs explicitly caution that mt_rand() does not generate cryptographically secure values. In other words, values generated by this function may be predictable. If you need to ensure that the UUIDs are not predictable, you should rather use Jack's solution below, which makes use of the openssl_r...
Nginx serves .php files as downloads, instead of executing them
...ebsite in a droplet (Digital Ocean). I have a issue for install NGINX with PHP properly. I did a tutorial https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-14-04 but when I try to run some .php file it's just downloading it...
for example......
How to get an array of specific “key” in multidimensional array without looping
...s = array_map(function ($ar) {return $ar['id'];}, $users);
Before(Technically php 4.0.6+), you must create an anonymous function with create_function instead:
$ids = array_map(create_function('$ar', 'return $ar["id"];'), $users);
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