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  1. <?php
  2.  
  3. $re = '@(?:#(\$[^.#]+)(?=\.[^#]*#)|\G(?!^))\.([^#.]+)#?@';
  4. $str = '#$test.a.b.c# #$test.a#';
  5. echo preg_replace($re, '$1[\'$2\']', $str);
  6.  
Success #stdin #stdout 0.02s 23916KB
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stdin
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Standard input is empty
stdout
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$test['a']['b']['c'] $test['a']
https://ideone.com/BvpkVP
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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