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  1. <?php
  2.  
  3.  
  4. $array = [1, 2, 3, 4, 5, 6, 7, 8, 9];
  5.  
  6. //finds if the value exist and returns key
  7. $key = array_search(8, $array); 
  8.  
  9. //return key
  10. echo $key;
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
7
https://ideone.com/DSfppl
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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