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  1. <?php
  2.  
  3. $bills = array(
  4. 	[100, 23],
  5. 	[500, 5],
  6. 	[1000, 0],
  7. 	[5000, 200]
  8. );
  9.  
  10.  
  11.  
  12. var_dump($bills[0][0]);
Success #stdin #stdout 0.01s 82880KB
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stdin 
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int(100)
https://ideone.com/5nE5SR
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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