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  1. <?php
  2.  
  3. $array = ['name' => 'John', 'email' => 'john@gmail.com'];
  4. $string = 'Hi [[name]], your email is [[email]]';
  5. echo preg_replace_callback('/\[\[(.*?)]]/', function ($m) use ($array) {
  6. 		return isset($array[$m[1]]) ? $array[$m[1]] : $m[0]; 
  7. 	}, $string);
  8.  
Success #stdin #stdout 0.02s 23888KB
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Hi John, your email is john@gmail.com
https://ideone.com/Du9r56
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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