JonnyEnglish Posted March 1, 2017 Share Posted March 1, 2017 Hi, I’d like to substitute array keys but I’m new to PHP and I don’t know how to do it – I was hoping you could help. The source array looks like this: "user_cards": { "1": { "num_owned": "9", "num_used": "0" }, "2": { "num_owned": "0", "num_used": "0" }, "3": { "num_owned": "0", "num_used": "0" }, "4": { "num_owned": "8", "num_used": "0" }, "5": { "num_owned": "11", "num_used": "0" } I’d like to substitute the keys “1,2,3,4,5” etc. with the array values from a txt file called db.txt That array looks like this: <?php $d[1] = array("Infantry",0); $d[2] = array("Infantry",2); $d[3] = array("Infantry",3); $d[4] = array("Bazooka Marine",0); $d[350] = array("Bazooka Marine",2); $d[351] = array("Bazooka Marine",3); $d[5] = array("Medic",0); ?> so my current output of 1 2 3 4 5 would be replaced with Infantry Infantry Infantry Bazooka Marine Medic this is what I have so far: <?php error_reporting(E_ALL|E_STRICT); ini_set('display_errors', true); include_once('db.txt'); $json = file_get_contents("TU.json"); $json = json_decode($json, true); foreach ($json['user_cards'] as $row => $v) { echo "$row<br>"; // foreach ($v as $key => $val) // { // echo "$key : $val'<br>"; // } } ?> I don’t know if this’ll make a difference to any advice you may offer but I will be trying to append the value from "num_owned" to each name too. Quote Link to comment https://forums.phpfreaks.com/topic/303326-substitute-array-keys/ Share on other sites More sharing options...
Solution Psycho Posted March 1, 2017 Solution Share Posted March 1, 2017 (edited) Change echo "$row<br>"; To echo "{$d[$row][0]}<br>"; Edited March 1, 2017 by Psycho Quote Link to comment https://forums.phpfreaks.com/topic/303326-substitute-array-keys/#findComment-1543592 Share on other sites More sharing options...
JonnyEnglish Posted March 1, 2017 Author Share Posted March 1, 2017 Thank you! Quote Link to comment https://forums.phpfreaks.com/topic/303326-substitute-array-keys/#findComment-1543593 Share on other sites More sharing options...
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