How to pass values into an array in php?

Question

I am working on a php code as shown below in which the values (let us supposed I entered 12, 13, 14) of $data->{"articles_id_" . ICL_LANGUAGE_CODE} is coming through admin portal. Let us suppose I have entered 12, 13, 14 for "articles_id_" . ICL_LANGUAGE_CODE

Php code:

'post__in' => array($data->{"articles_id_" . ICL_LANGUAGE_CODE}),

On debug it is returning:

[post__in] => Array
    (
        [0] => 12, 13, 14
    )

Whereas I want to be returned like this:

[post__in] => Array
(
    [0] => 12
    [1] => 13
    [2] => 14
)

Problem Statement:

I am wondering what changes I should make in the php code above so that its return in the way I want.

php.net/explode

Dormilich
– Dormilich

2019-04-02 17:01:30 +00:00
Commented Apr 2, 2019 at 17:01 — Dormilich
– Dormilich, Commented Apr 2, 2019 at 17:01

Andreas · Accepted Answer · 2019-04-02 17:08:32Z

3

Explode or preg_split.

Explode is static and must have both comma and space.

'post__in' => explode(", ",$data->{"articles_id_" . ICL_LANGUAGE_CODE}),

Preg_split can have an optional space, meaning it can split strings like "12,13,14" and "12, 13, 14" and even "12, 13, 14" which explode can't.

'post__in' => preg_split("/,\s*/",$data->{"articles_id_" . ICL_LANGUAGE_CODE}),

If it's user input you need to split then I would definitely go for preg_split.
It's very common for "normal" people (not programmers) to write numbers with space in-between.

edited Apr 2, 2019 at 17:08

answered Apr 2, 2019 at 17:03

Andreas

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6 Comments

DontVoteMeDown Over a year ago

Nice spot suggesting regex

Andreas Over a year ago

@DontVoteMeDown thanks! It was the "post_in" that made me think it's user input.

flash Over a year ago

@Andreas I have one more question. Its not similar. I am wondering if you can give me some pointer.

flash Over a year ago

yes, I am able to pull specific content from xml. I just want to integrate with the current code

flash Over a year ago

@Andreas No worries, thanks for the help in this question.

|

DontVoteMeDown · Accepted Answer · 2019-04-02 17:01:59Z

2

If the value of $data->{"articles_id_" . ICL_LANGUAGE_CODE} is a comma-separated string, you should explode() it:

'post__in' => explode(",", $data->{"articles_id_" . ICL_LANGUAGE_CODE})

answered Apr 2, 2019 at 17:01

DontVoteMeDown

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Comments

Alex · Accepted Answer · 2019-04-02 17:02:06Z

1

'post__in' => explode(',', $data->{"articles_id_" . ICL_LANGUAGE_CODE}),

answered Apr 2, 2019 at 17:02

Alex

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Comments

ArtisticPhoenix · Accepted Answer · 2019-04-02 19:05:42Z

1

You can use this too:

'post__in' => str_getcsv($data->{"articles_id_" . ICL_LANGUAGE_CODE}),

str_getcsv — Parse a CSV string into an array

str_getcsv( string $input,string $delimiter=",",string $enclosure='"',string $escape="\" ) :array

https://www.php.net/manual/en/function.str-getcsv.php

Then if it has ,\s you can trim using array map.

'post__in' => array_map('trim', str_getcsv($data->{"articles_id_" . ICL_LANGUAGE_CODE})),

In this case it's similar to explode or preg_split, but those were taken already as answers ... :-p

This treats it more like a CSV line so it will deal with things like this foo,"Some other thing",bar - Some CSV formats (includng PHP fputcsv and SplFileObject::fputcsv will enclose strings with spaces or commas with double quotes ". Explode/Preg Split would retain the " but this would remove them. It also does a few other things that are CSV related. But as I said, in this case with integers it's basically the same as explode(',', ...)

Cheers!

edited Apr 2, 2019 at 19:05

answered Apr 2, 2019 at 18:56

ArtisticPhoenix

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1 Comment

Andreas Over a year ago

Multiexplode is still not taken as an answer. I think a multiexplode and array_filter will do the same thing as str_getcsv and trim.

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