fork(9) download
copy 
  1. <?php
  2. // definim o variabila, cealalta definire nu se executa
  3.  
  4. $var = 0;
  5. // $var2 = 1;
  6.  
  7. var_dump( isset($var) ); // bool(true)
  8. var_dump( isset($var2) ); // bool(false)
  9.  
  10. var_dump( empty($var1) ); // bool(true), pentru ca 0 este considerat nul
  11. var_dump( empty($var2) ); // bool(true)
Success #stdin #stdout 0.02s 13064KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
bool(true)
bool(false)
bool(true)
bool(true)
https://ideone.com/2d51B
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!