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  1. <?php
  2. function contador($valor){
  3.     static $contador;
  4.     if (isset($valor)) {
  5.     	$contador = $valor;
  6.     }
  7.     return $contador;
  8. }
  9.  
  10. echo contador(1) . "\n";
  11. $contador = contador() + 1;
  12. echo contador($contador);
  13. ?>
Success #stdin #stdout #stderr 0.02s 24400KB
comments (?)
stdin
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Standard input is empty
stdout
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1
2
stderr
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PHP Warning:  Missing argument 1 for contador(), called in /home/f099xD/prog.php on line 11 and defined in /home/f099xD/prog.php on line 2
https://ideone.com/K9Gdho
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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