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  1. <?php
  2.  
  3. $array = ['foo' => 'a', 'bar' => 'b', 'baz' => 'c'];
  4. $array = array_combine(array_map(function($k){ return ':' . $k; }, array_keys($array)), $array);
  5. print_r($array);
Success #stdin #stdout 0s 82560KB
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stdin
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Standard input is empty
stdout
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Array
(
    [:foo] => a
    [:bar] => b
    [:baz] => c
)
https://ideone.com/UbtH6h
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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