Tag: arrays

Extract a row by value from php array

This is my array: How can I extract a row by SocketDecimal? For example: I want to extract row where SocketDecimal = 50 and make new an array only with that row. Answer $newArr will contain the desired “row”. Of course you can manipulate the if-statement depending on which “row” (I’d just call it array entry) you want to extract.

Print a key in a PHP multidimensional array

arrays echo multidimensional-array php syntax

I have a multidimensional array and I want to print the contents as follows: My problem is that I don’t know how to refer to the key of the first sub-array (the names). key($index) just replaces all of the names in the output with “class1”. Here’s my code so far: I’m pretty new to web development, so if anyone has

How to store a array in a database?

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I am trying to learn php databases and I have a question. How do I store an array in a database? I saw an answer on stackoverflow and there were they doing something with type double and in an other answer they were talking about creating a table for every user but I can’t find a solution. So summarized. I

Looping through PHP prepared SQL statement result twice

arrays loops mysqli php while-loop

I’m trying to loop through a SQL result in PHP twice, and I am not succeeding. I have tried to use mysqli data seek, but this does not work. Here is what I have tried so far: my-new-file.php

PHP array stringify

arrays php stringify

In a lyrics application I’m coding, I’m using an array to print an artists table. The artists array looks like this: Before printing it, I do some modification to the array. I have a folder for each artist that contains the lyrics files. I add the folder names to the $artists array for later use: Later, I add the album

Is there a validation rule for “not present”?

arrays laravel php validation

I need to check if the key is not set in the array using Laravel validator. That would be the complete opposite of the “required” validation rule. Basically the array will be passed to update method if it passes the validation and I want to make sure one column will not be updated. Is there a way to check if

PHP Memcached stores array, retrieves object. A bug?

arrays memcached object php

Using MemcacheD v1.4.22 PECL MemcacheD library v2.2.0 PHP v5.3.19 (cli) I am trying to store an array into cache I am storing an array with mixed integer/string keys which should not be a problem for php but apparently it is for memcached? Is it documented anywhere? Any workaround or hint? If I look at terminal output of the key: we

Get stdClass Object value

arrays php stdclass

I’m trying to get a value from stdClass Object array with no success. Here is the code I’m running: $myjson = ‘{“2”:{“label”:””,”value”:””,”type”:null,”validation”:null,”required”:null}, “6”:{“…

Difference between method calls $model->relation(); and $model->relation;

arrays laravel methods php

There is some basic understanding/theory here that I am missing.I don’t understand the difference between these function calls: What I am trying to accomplis here is to get a list of the distributors for a store (a many to many relationship), and they get each distributors list of beers into one giant list. I don’t know if that is the

PHP – Concatenate / cascade multidimensional array keys

arrays dynamic-arrays multidimensional-array php

I’ve realized I need to stop banging my head and ask for help… I have the following array: I’m trying to collapse / cascade the keys into a one-dimension array like so: I could use nested loops, but the array will be an undefined number of dimensions. This is the closest I’ve gotten: Any ideas? Answer I think this should