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  1. <?php
  2.  
  3. $arr = [
  4.     'a' => 'false',
  5.     'b' => -1,
  6.     'c' => 0,
  7.     'd' => 'true',
  8.     'e' => false,
  9.     'f' => true,
  10.     'g' => 1
  11. ];
  12.  
  13. var_dump( array_search( -1, $arr ) ); 
  14. var_dump( array_search( 'false', $arr ) ); 
  15. var_dump( array_search( 1, $arr ) ); 
  16. var_dump( array_search( 't', $arr ) ); 
  17.  
  18. $arr = [
  19.     'false',
  20.     -1,
  21.     true,
  22.     10
  23. ];
  24.  
  25.  
  26. var_dump('------');
  27. var_dump( in_array( -1, $arr ) ); 
  28. var_dump( in_array( 'false', $arr ) ); 
  29. var_dump( in_array( 1, $arr ) ); 
  30. var_dump( in_array( 't', $arr ) ); 
  31.  
Success #stdin #stdout 0.03s 25736KB
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stdin
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Standard input is empty
stdout
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string(1) "b"
string(1) "a"
string(1) "f"
string(1) "c"
string(6) "------"
bool(true)
bool(true)
bool(true)
bool(true)
https://ideone.com/EeF9xQ
language:
PHP (php 7.3.5)
created:
2 years ago
visibility:
public

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