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  1. <?php
  2.   //Assigns 10 to test1. 20 to test2. 30 to test3.
  3.   $array1 = array(10 => "test1", 20 => "test2", 30 => "test3");  
  4.   //Creates a blank array.
  5.   $blank = new ArrayObject(); 
  6.  
  7.   $blank->append(array("20")); //Adds the value 20, to the blank array.
  8.   $blank->append(array("30")); //Adds the value 30, to the blank array.
  9.  
  10.   print($array1[$blank[0][0]]); // should print "test2"
  11.   print($array1[$blank[1][0]]); // should print "test3"
  12. ?>
Success #stdin #stdout 0.02s 13112KB
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stdin
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Standard input is empty
stdout
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test2test3
https://ideone.com/XsgnSz
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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