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I saw some online qr code generators such as https://dashboard.unitag.io/ and I was wondering how they do it.
Is it possible to do that in PHP? If so, how would I manage to do that? (I know there are some APIs to create colored QR codes and insert images into it, but I never found any that could change the 'shape' of the QR code...)
I would look into a library called PHP QR Code. It's open source and is pretty simple to use,
QRcode::png('code data text', 'filename.png'); // creates file
QRcode::png('some othertext 1234'); // creates code image and outputs it directly into browser
If you're looking for a library with a little more functionality, check out Advanced Custom QR Code Generator. It costs $35 but gives you the ability to work with shapes, colors, and even embed logos.
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I work on one project, I used html2pdf by spipu but unfortunately I encountered problems at the end, such as problems with pictures and also rendering. My question is what would you recommend if I want to convert the automatically generated html into a php file to pdf on my own domain and site. My idea is something like this that my given html generated code, which already shows me a browser as it would convert to pdf (using html5 ...). Also, and this is probably the biggest problem I need to get rid of before and after element. I was looking at different kinds but some require api key and registering and then converting this html somewhere else, and I would like to avoid it.
I've used tcpdf in the past it works great and it's open source.
Take a look at their website they have plenty of examples that might get you going.
Wanted to mention this answer as a comment since the question is vague but my SO reputation prevents me from that still..
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I have website and I need to build fast search engine for it. I have to search text in database or files (word, pdf) . I want too when I search a text the result the exact word or a text which have close writing, for example, I type "exemple" the result show "example" or "examples" even if this text is in database or in files(word, pdf). My website is in PHP and I don't work with any framework.
Can someone tell me a solution or give me a link tutorial about this.
Thanks
There are a bunch of solutions (e.g. do you want to index your files periodically of do you prefer ad hoc searches?).
Look up XML parsing and PDF parsing.
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I am looking for a library through which I can read my pdf file (which contain both images & text), and read the speicific information (customer information).
I have created the pdf file though html2pdf class. Now since I have not keep track of all the changes, I need to read the pdf file for some information.
My pdf structure is
Header
customer information
Order details.
footer
I want to read the Order details which are in a table with products & their prices.
Any help will be really appreciated.
Thanks in advance.
:)
You can start from reading php pdf functions:
http://www.php.net/manual/en/ref.pdf.php#53628
Or use some external library available out there:
http://www.pdfparser.org
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I am working on creating a website which will allow users to update a table using Javascript.
What I am looking for is a way to allow the user to export the table as an image (jpg, png etc.) or a PDF once it has been modified.
If there is a similar thread or topic please let me know, I don't really know where to start here. If you can recommend background reading that would be great too.
This is not something that can really be done client side (without installing software on the clients, of course). You will need to generate this PDF server-side.
How you do that depends on the language and platform you are using.
There are a couple open source PDF librarys you can use;
SharPDF, PDFClown, iTextSharp just to name a few...
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Basically i want a library for PHP that i can use to generate vector based graphic files like svg or pdf. it need to be able to output path and not pixel based results.
for example i want it to use like
generate_circle($radius)
etc
PHP bindings for cairo
It's not that hard to generate svg from php, here are some examples.
If you really want a library, there are probably many different options, SVGGraph and the ones pointed out here for example.
Google will help you find others I'm sure :)