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What does the variable $this mean in PHP?

I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it. 10 An...
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK

... The curl is happening in Amazon web services php library. I didn't understand how to fix it without editing the library code. – Josnidhin Jun 19 '11 at 15:51 ...
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Best way to clear a PHP array's values

...o I wrote it that way because of the authors question "Best way to clear a PHP array's values". It sais 'clear', not 'new instance'. Using unset will clear $foo from the symbol table. I we are talking about very large tables I'd probably recommend $foo = null; unset($foo); since that also would clea...
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What's the best way to get the last element of an array without deleting it?

...nce. In this answer I will share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018). The options (<<option code>>s) I will test are: option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja) option .2. $x...
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How to create an array for JSON using PHP?

From PHP code I want to create an json array: 10 Answers 10 ...
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How do I remove the last comma from a string using PHP?

... I like this answer in particular, because one of the issues with a lot of PHP built-in functions, is that some of them are void, and some of them have return types. In this case, I was trying to just write rtrim($string, ','), when I should be writing $string = rtrim($string, ','); ...
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程序员之网络安全系列(四):数据加密之非对称秘钥 - 更多技术 - 清泛网 -...

...加密之对称加密算法 我们对数据进行了加密 但是上面的问题是明明和丽丽必须提前知道秘钥,但是如果双方提前不知道秘钥,那么明明就需要“隔壁的王叔叔” 把秘钥告诉丽丽,这个显然是风险太大了,因为”隔壁王叔叔“...
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SSH免密码登陆教程 - 环境配置 - 清泛IT社区,为创新赋能!

...用户自己有写权限。否则验证无效。(今天就是遇到这个问题,找了好久问题所在),其实仔细想想,这样做是为了不会出现系统漏洞
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MIT官方已升级至2.71版本,几乎就是仅增加一个全新主题 - App Inventor 2 ...

...tBot 组件添加了一个新块 ConverseWithImage 来询问有关图像的问题API 密钥需要为 gpt-4 付费) 3、调色板类别可以独立展开/折叠 4、MIT App Inventor 的主体现在通过 CloudFlare 内容交付网络加载。这应该可以更快地启动 MIT App Inventor。 ...
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How to remove part of a string? [closed]

... If one needs regex matching there is also preg_replace() us2.php.net/manual/en/function.preg-replace.php – Elijah Lynn Jul 11 '13 at 17:34 4 ...