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  1. <?php
  2.  
  3. function test(&$var = "test") {
  4. 	echo $var;
  5. }
  6.  
  7. $string = "Second";
  8.  
  9. test();
  10. test($string);
  11. //test("Third"); //Error
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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testSecond
https://ideone.com/fH4HUt
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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