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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
I'm running a PHP script and continue to receive errors like:
28 Answers
28
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Regular expression for letters, numbers and - _
I'm having trouble checking in PHP if a value is is any of the following combinations
6 Answers
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Reference assignment operator in PHP, =&
What does the =& (equals-ampersand) assignment operator do in PHP?
4 Answers
4
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Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
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Fastest Way to Serve a File Using PHP
...t's actually the best way. The basis is that you do your access control in php and then instead of sending the file yourself you tell the web server to do it.
The basic php code is :
header("X-Sendfile: $file_name");
header("Content-type: application/octet-stream");
header('Content-Disposition: at...
(Built-in) way in JavaScript to check if a string is a valid number
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This is what I was looking for, the equivalent to php ctype_digit
– Miguel Pynto
Sep 20 '19 at 11:17
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Format a number as 2.5K if a thousand or more, otherwise 900
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How do I inset a php variable inside here and use it? i.e. if my number variable is $mynumber_output where do I insert this to use it? For example, say $mynumber_output = 12846, I would like 12846 converted to 12.8k
– us...
What's the difference between isset() and array_key_exists()? [duplicate]
...t will return false when the array value is set to null.
See isset on the PHP documentation site.
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How can I get the current page's full URL on a Windows/IIS server?
...to a new folder on a Windows/ IIS server. I'm setting up 301 redirects in PHP, but it doesn't seem to be working. My post URLs have the following format:
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App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...我们的请求：Transfer-Encoding can’t be trunked.
而采用python或php自己写一个简单服务端是可以接受上传的文件的。
采用图片base64方案，也只能自己写服务端，然后解码，恢复文件，百度网盘也无法采用这种方案。
直接用python或curl...