A few days ago, an email "Application for Aid to Ukraine" appeared on the PHP community email discussion list. The email was initiated by non-PHP developers and was intended to call on the PHP community to quickly participate in the Russia-Ukraine conflict...
Interestingly, non-PHP contributors were very positive about this idea:
There was even a "Ukrainian crowd" who proposed a compromise The method in: Change PHP's LOGO to Ukrainian colors (??)
But real PHP contributors think this suggestion is very dangerous, and PHP as a far-reaching influence Open source projects should adhere to their neutral stance and not participate in any form of siding.
Both sides had a heated discussion in subsequent emails. Let me summarize some of the arguments of PHP community contributors:
Paul Dragoonis: Please let the open source community maintain technology and neutrality
PHP, like many other OSS projects, has many contributors from countries on both sides of the war.
Please let an OSS project focus on the technology being built, completely free of the influence of politics. For many people, OSS is a safe haven, an outlet to relieve stress, a place without outside problems
PHP internals The forum is a place to discuss technology. If you want to participate in the Russia-Ukraine team, you can go to other platforms, such as Twitter, FB, and LinkedIn. Can you go to these platforms for dialogue, discussion, and moral debate on the Russia-Ukraine situation? ?
George P. Banyard makes two very important arguments:
PHP is not owned by anyone, no one can make statements on behalf of PHP, and PHP decides everything The only way was to propose it through the RFC process, but obviously, no one wanted to do that.
In addition, in this Russo-Ukrainian war, other programming language communities did not speak out, such as C, C#, Python, Go...
Why should the PHP community participate?
Some people also quoted the negative teaching materials about React’s Issue being flushed after joining the team:
Look at what happened to React’s issue tracker: https ://github .com/facebook/react/issues
Once any siding happens on the PHP project, it will attract a lot of criticism and undermine the work of maintainers and contributors.
In short, this proposal has not been affirmed by PHP contributors. PHPer’s position is simple: As a programming language with many contributors and huge influence, PHP should not participate in any country or world event.
Today PHP took part in taking sides in the Russia-Ukraine conflict. Will it speak out for LGBT tomorrow? Political correctness should not penetrate every corner of the world, and every OSS community should maintain absolute neutrality.

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

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