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  1. <?php
  2.  
  3. $abc = "Valdeir";
  4. $abC = "Valdeir";
  5.  
  6. $abcd = [
  7.     "Nome"   => "Valdeir",
  8.     "github" => "https://g...content-available-to-author-only...b.com/valdeirpsr"
  9. ];
  10.  
  11. var_dump(
  12.     isset($abc), //true
  13.     isset($ABC), //false
  14.     isset($aBc), //false
  15.     isset($abC), //true
  16.  
  17.     isset($abcd['nome']),   //false
  18.     isset($abcd['GitHub']), //false
  19.     isset($abcd['Nome']),   //true
  20.     isset($abcd['github'])  //true
  21. );
Success #stdin #stdout 0.02s 23600KB
comments (?)
stdin 
Standard input is empty
stdout 
bool(true)
bool(false)
bool(false)
bool(true)
bool(false)
bool(false)
bool(true)
bool(true)
https://ideone.com/EpqaPV
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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