PHP – Page 1296 – PHP Questions

Capturing and displaying exec/shell_exec periodic output?

php

You can easily use exec() or shell_exec() to execute a system command, like ls -l /var/www/mysite and then output the result of the command. How would one execute and display the result of a command that periodically prints information out to the console? You have a simply Python script. If you run the script…

PHP PDO Firebird inserting

auto-increment firebird insert pdo php

I’m new in Firebird but I’d like to write a small script in PHP that reads a CSV file and fills an existing Firebird db with its data. The problem is I don’t really know how to use the autoincrement …

PHP “php://input” vs $_POST

ajax input php

I have been directed to use the method php://input instead of $_POST when interacting with Ajax requests from JQuery. What I do not understand is the benefits of using this vs the global method of $_POST or $_GET. Answer The reason is that php://input returns all the raw data after the HTTP-headers of the req…

Merge two indexed arrays of indexed arrays based on first column value

arrays grouping merge multidimensional-array php

I have two arrays like this: How can I merge these two arrays without looping? Is there any php functionality available for this? I need this kind of output: Answer You can use the PHP function array_merge_recursive. See the example:

Change Form Elements Depending On Selected Option

forms html php

I have seen several sites where there is a form, starting with a dropdown box, and depending on the box chosen there is different form elements, for example, let’s say I wanted to make an uploader script, the dropdown box might hold: And is Upload is selected I would want a browse file element, while wi…

How to assign a variable to one of two strings if one is blank?

boolean compare php string variable-assignment

I am wondering why this doesn’t work to assign a string to $separator: Elsewhere, $option has been assigned to some text or an empty string. (Actually, in my real life case, it’s some text, or FALSE, but either way…). $separator is TRUE instead of a string. The following accomplishes what I want, …

Combine and transpose multiple single-dimensional arrays into a single multi-dimensional array

arrays merge php transpose

I have three single-dimensional arrays and I need to combine them into one 3-dimensional array where each array in the new array contains one element of each of the three original arrays. I know how to do this using a simple loop but I was wondering if there is a faster / built-in way of doing this. here is a…