3v4l.org

run code in 300+ PHP versions simultaneously

@ 2017-12-12T11:06:46Z

<?php

    $currencies = [
      'USD',
      'BTC',
      'DASH',
      'LTC',
      'SC',
      'STEEM',
      'WAVES',
      'SNGLS',
      '1ST',
      'BQX',
      'ETH',
      'PTOY',
      'XAUR',
      'DOGE'
    ];

    $repl = [
      'USD ',
      'BTC ',
      'DASH ',
      'LTC ',
      'SC ',
      'STEEM ',
      'WAVES ',
      'SNGLS ',
      '1ST ',
      'BQX ',
      'ETH ',
      'PTOY ',
      'XAUR ',
      'DOGE '
    ];
   
    $input = [
      "BTCUSD",
      "DASHBTC",
      "DOGEUSD",
      "LTCBTC",
      "LTCUSD",
      "SCBTC",
      "STEEMBTC",
      "WAVESBTC",
      "SNGLSBTC",
      "1STBTC",
      "DASHUSD",
      "BQXETH",
      "PTOYETH",
      "XAURETH",
      "BTCUSDT",
    ];

    $new = str_replace($currencies, $repl, $input);
    Foreach($new as &$item){
        $item = substr($item, 0, strpos($item, " "));
    }

    Var_dump($new);

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: array(15) { [0]=> string(3) "BTC" [1]=> string(4) "DASH" [2]=> string(4) "DOGE" [3]=> string(3) "LTC" [4]=> string(3) "LTC" [5]=> string(2) "SC" [6]=> string(5) "STEEM" [7]=> string(5) "WAVES" [8]=> string(5) "SNGLS" [9]=> string(3) "1ST" [10]=> string(4) "DASH" [11]=> string(3) "BQX" [12]=> string(4) "PTOY" [13]=> string(4) "XAUR" [14]=> &string(3) "BTC" }

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132.49 ms | 408 KiB | 5 Q