Php foreach multiple arrays with if condion

Question

I am trying to foreach multiple arrays with if condition, I have 3 arrays like below :

$contents = array('content1', 'content2', 'content3', 'content4');    
$types = array('pdf', 'pdf', 'txt', 'pdf');    
$links = array('link1', 'link2', 'link3');

foreach ($contents as $key => $value) {
            
            echo "$value<br>";
            
        if ($types[$key] == 'pdf') {
             echo "$links[$key]<br>";
        }

}

Output is like this :
content1
link1
content2
link2
content3
content4

Links array has 3 values, others 4 . I want if content type is pdf use link value there if not skip. And i want output like below:

content1
link1
content2
link2
content3
content4
link3

thanks for your help

can you change the structure of the array? if yes: you could change it to a multidimensional array. — YourBrainEatsYou
– YourBrainEatsYou, Commented Sep 15, 2021 at 18:08

AbraCadaver · Accepted Answer · 2021-09-15 16:11:27Z

1

If the arrays are not the same length then you won't be able to use the key. You could use another variable to keep track of the key needed in $links or you can advance the pointer of $links each time:

foreach ($contents as $key => $value) {
    echo "$value<br>\n";
        
    if ($types[$key] == 'pdf') {
         echo current($links) . "<br>\n";
         next($links);
    }
}

answered Sep 15, 2021 at 16:11

AbraCadaver

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Amir Azizi · Accepted Answer · 2021-09-15 21:16:25Z

0

In this scenario, you need to skip forward the links array so you can do it by adding an else statement. try this code

$contents = array('content1', 'content2', 'content3', 'content4');
$types = array('pdf', 'pdf', 'txt', 'pdf');
$links = array('link1', 'link2', 'link3');

$skip_links_array = 0;

foreach ($contents as $key => $value) {

    echo "$value<br>";

    if ($types[$key] == 'pdf') {
        echo $links[$key + $skip_type]."<br>";
    }else{
        $skip_type--;
    }

}

Demo

edited Sep 15, 2021 at 21:16

answered Sep 15, 2021 at 20:27

Amir Azizi

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