Questions tagged as 'php'

Tagged questions
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Error with SQL statement prepared using PHP

So far I have never used the prepared statements but from what I have read they are necessary when avoiding SQL injection as it could happen, for example, from a web form. To test them I wrote the following code: A function to connect to the...
asked by 20.05.2016 / 10:22
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How to change a price string in php

I'm having problems printing the price of my products so I want to change it, I mean I do my sql query SELECT * FROM sinventario,as_precios WHERE sinventario.FI_CODIGO = as_precios.FI_CODIGO I save my data in an array and print it whil...
asked by 31.05.2016 / 20:37
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Use php variables in css

I have a problem. I am saving php variables in a database and I want to use those variables in a css file for when I load it with html use those stored values. Normally these variables are hexadecimal codes. In css I can load these variables...
asked by 06.02.2017 / 09:41
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Considerations for using the library (PHPMailer) with LGPL license

Will they know that I have to consider to use the PHPMailer library that is under the LGPL license, in a system that will be commercialized? I read the documentation of the license ( link ), but I have the doubt if it is enough to include the fi...
asked by 04.06.2016 / 03:04
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Difference between Interface and Abstract class (particularly in PHP)

I have a doubt that eats my head and I searched in San Google but I find only technical answers and they do not help me much. I would like you to be able to tell me in a simple and clear way (if you will) the difference between an interface a...
asked by 23.06.2016 / 07:54
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convert query result Mysql to INT

If I have the following function: function obtener_id(){ $conn = db_connect(); $query = "SELECT max(idproblema) FROM problemas"; $result = @$conn->query($query); return $result; } What I want to do is that...
asked by 21.02.2018 / 22:48
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error when uploading image with laravel?

I have a form in which I save an image, I save the image in the folder successfully, but the new image path with its new name is not saved in the database. Save something like: "C:\xampp\tmp\php71AA.tmp"' This is the part I use to get the...
asked by 24.09.2018 / 19:08
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Create a repetition or route every certain data from an explode

I have the following code: $pal = "3,5 1401 4145 7854 8454 7458 5152556555 3,5 1401 4145 7854 8454 7458 5152556555 3,5 1401 4145 7854 8454 7458 5152556555"; $pal = explode(" ",$pal); print_r($pal); The result is something like this: Array...
asked by 17.09.2018 / 19:17
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How to update a db without losing data in the tables of these in Laravel?

Every time I need to add a field, another modification I have to execute the php artisan migrate: refresh command but in doing so I update the db but it deletes the data already inserted. Is there a way to avoid that?     
asked by 19.04.2017 / 19:02
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BadMethodCallException Method [show] does not exist. Laravel

I have been doing a CRUD in Laravel and you are giving me an error that can not be found since I do not have any function that is called Show . Userscontroller: public function destroy($id_usuario) { $user = Usua...
asked by 31.08.2017 / 13:09