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PHP cURL HTTP CODE return 0

..., there is nobody to send a code back. Tested using the code below. <?php $html_brand = "www.google.com"; $ch = curl_init(); $options = array( CURLOPT_URL => $html_brand, CURLOPT_RETURNTRANSFER => true, CURLOPT_HEADER => true, CURLOPT_FOLLOWLOCATION...
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Creating anonymous objects in php

... some years, but I think I need to keep the information up to date! Since PHP 7 it has been possible to create anonymous classes, so you're able to do things like this: <?php class Foo {} $child = new class extends Foo {}; var_dump($child instanceof Foo); // true ?> You can ...
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What's better at freeing memory with PHP: unset() or $var = null

... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first. If you are doing $whatever ...
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Why can't I overload constructors in PHP?

... have abandoned all hope of ever being able to overload my constructors in PHP, so what I'd really like to know is why . 1...
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PHP function to generate v4 UUID

...been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID should b...
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PHP 5.4 Call-time pass-by-reference - Easy fix available?

... call by reference in the function definition, not the actual call. Since PHP started showing the deprecation errors in version 5.3, I would say it would be a good idea to rewrite the code. From the documentation: There is no reference sign on a function call - only on function definitions. F...
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What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?

...torials, I couldn't understand the difference between those two commands; php artisan dump-autoload and composer dump-autoload What's the difference between them? ...
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[解决]MySql提示:The server quit without updating PID file(…)失败 - 数...

...系统默认,不知道为什么不能自动扩容!以后在处理这个问题!如图所示: [root@rekfan ~]# df 文件系统 1K-块 已用 可用 已用% 挂载点 /dev/mapper/vg_rekfan-lv_root 51606140 47734848 1249852 100% / tmpfs ...
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如何诊断CDN故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,所以诊断起来有点麻烦,必须想想招儿。 首当其冲的问题是如何确认CDN有哪些节点? 幸运的是通过阿里测提供的服务,我们能拿到这个IP列表,当然这个IP列表不可能百分百完整,不过应该包含了大部分的节点,有兴趣的可...
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xunsearch主键重复、搜索结果重复 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...te提交会忽略(验证的结果)。 至于想彻底解决重复的问题,还是得从xunsearch后端c/c++源码研究起,也许是未考虑到的bug,官方论坛有人反馈但无结果。 清泛网追记: xunsearch 1.4.14 版本存在此问题,从 1.4.15 版本起已解决该...