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  1. <?php
  2.  
  3. var_dump(
  4. 	array_filter([ 'is_string', 'not_exists' ], 'function_exists')
  5. );
  6.  
  7. var_dump(
  8. 	array_filter([ 'is_string', 'not_exists' ], '\function_exists')
  9. );
Success #stdin #stdout 0.02s 23304KB
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array(1) {
  [0]=>
  string(9) "is_string"
}
array(1) {
  [0]=>
  string(9) "is_string"
}
https://ideone.com/xBfr7D
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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