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  1. <?php
  2.  
  3. 	$string = '<:header>HEADER</header><:main>MAIN<:item>ITEM</item></main>';
  4.  
  5.     // passo 1
  6.     $string = preg_replace( '/<.*?>/' , '|' , $string );
  7.  
  8.     // passo 2
  9.     $string = preg_replace('/\|+/', '|', $string);
  10.  
  11.     // passo 3
  12.     $string = array_filter( explode( '|' , $string ) );
  13.  
  14. print_r( $string );
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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Array
(
    [1] => HEADER
    [2] => MAIN
    [3] => ITEM
)
https://ideone.com/TMsiRb
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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