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  1. <?php
  2.  
  3. $v2 = array(
  4.       "BTC" => Array(
  5.   		"navn" =>"Bitcoin",
  6.           "k1"=>1,
  7.           "k2"=>11,
  8.           "k3"=>17
  9.       ),
  10.       "ETH" => Array(
  11.  		"navn"=>"Ethereum",
  12.          "k1"=>1000,
  13.          "k2"=>12,
  14.          "k3"=>27
  15.      ),
  16.      "LTC" => Array(
  17.         "navn"=> "Litecoin",
  18.         "k1"=> 62,
  19.          "k2"=>13,
  20.          "k3"=>37
  21.      ),
  22.      "XMR" => Array(
  23.          "navn"=>"Monero",
  24.          "k1"=>51,
  25.          "k2"=>14,
  26.          "k3"=>47
  27.      ),
  28.      "XRP" => Array(
  29.         "navn"=> "Ripple",
  30.          "k1"=>31,
  31.          "k2"=>15,
  32.          "k3"=>57
  33.      )
  34.  );
  35.  
  36.  $a="C";
  37.  $funn=array();
  38.   foreach($v2 as $key => $leteord){ 
  39.  	 echo "Checking $a vs $key\n";
  40.  	if (stristr($key, $a)) {
  41.  	    echo "Adding $key\n";
  42.  	    array_push($funn, $key);
  43.  	} else {
  44.  	    echo "Not a match $a/ $key\n";
  45.  	}
  46.   }
  47.   echo "<pre>";
  48.   print_r ($funn);
  49.   echo "</pre>";
Success #stdin #stdout 0.02s 23744KB
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stdin
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Standard input is empty
stdout
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Checking C vs BTC
Adding BTC
Checking C vs ETH
Not a match C/ ETH
Checking C vs LTC
Adding LTC
Checking C vs XMR
Not a match C/ XMR
Checking C vs XRP
Not a match C/ XRP
<pre>Array
(
    [0] => BTC
    [1] => LTC
)
</pre>
https://ideone.com/5ygW09
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
secret

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