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How to save a PNG image server-side, from a base64 data string
...rings that this tool generates, into actual PNG files on the server, using PHP.
15 Answers
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What does $$ (dollar dollar or double dollar) mean in PHP?
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It's a variable's variable.
<?php
$a = 'hello';
$$a = 'world'; // now makes $hello a variable that holds 'world'
echo "$a ${$a}"; // "hello world"
echo "$a $hello"; // "hello world"
?>
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Convert DateTime to String PHP
I have already researched a lot of site on how can I convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String"
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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...
How do I remove  from the beginning of a file?
...S file that looks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it: 
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Are “elseif” and “else if” completely synonymous?
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From the PHP manual:
In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this i...
Is it possible to delete an object's property in PHP?
...ght mind, convert an array into an object? It just makes no sense (even if PHP allows it). I will not encorage and spread bad programming habits by commenting on this :) No offense.
– Yanick Rochon
Mar 21 '14 at 2:54
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关于我们 · App Inventor 2 中文网，少儿编程陪伴者
... 关于我们(fun123.cn) 您更好的编程陪伴者！ 开始编程 ...
Simplest way to detect a mobile device in PHP
...est way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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App Inventor 2 AI伴侣有电脑版的吗? - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
...，但是不好用，不建议使用。参考中文文档：https://www.fun123.cn/reference/creative/connect.html各种连接方式的特点：连接方式测试介质特点AI伴侣Android手机特别适合小朋友...有，但是不好用，不建议使用。参考中文文档：https://www.fun123....