3v4l.org

run code in 300+ PHP versions simultaneously
<?php $superheroes = array( "spider-man" => array( "name" => "Peter Parker", "email" => "peterparker@mail.com", ), "super-man" => array( "name" => "Clark Kent", "email" => "clarkkent@mail.com", ), "iron-man" => array( "name" => "Harry Potter", "email" => "harrypotter@mail.com", ) ); print_r($superheroes); print_r($superheroes[spider-man]);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [spider-man] => Array ( [name] => Peter Parker [email] => peterparker@mail.com ) [super-man] => Array ( [name] => Clark Kent [email] => clarkkent@mail.com ) [iron-man] => Array ( [name] => Harry Potter [email] => harrypotter@mail.com ) ) Fatal error: Uncaught Error: Undefined constant "spider" in /in/k9NWB:17 Stack trace: #0 {main} thrown in /in/k9NWB on line 17
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Array ( [spider-man] => Array ( [name] => Peter Parker [email] => peterparker@mail.com ) [super-man] => Array ( [name] => Clark Kent [email] => clarkkent@mail.com ) [iron-man] => Array ( [name] => Harry Potter [email] => harrypotter@mail.com ) ) Warning: Use of undefined constant spider - assumed 'spider' (this will throw an Error in a future version of PHP) in /in/k9NWB on line 17 Warning: Use of undefined constant man - assumed 'man' (this will throw an Error in a future version of PHP) in /in/k9NWB on line 17 Warning: A non-numeric value encountered in /in/k9NWB on line 17 Warning: A non-numeric value encountered in /in/k9NWB on line 17 Notice: Undefined offset: 0 in /in/k9NWB on line 17
Output for 7.3.32 - 7.3.33
Array ( [spider-man] => Array ( [name] => Peter Parker [email] => peterparker@mail.com ) [super-man] => Array ( [name] => Clark Kent [email] => clarkkent@mail.com ) [iron-man] => Array ( [name] => Harry Potter [email] => harrypotter@mail.com ) ) Warning: Use of undefined constant spider - assumed 'spider' (this will throw an Error in a future version of PHP) in /in/k9NWB on line 17 Warning: Use of undefined constant man - assumed 'man' (this will throw an Error in a future version of PHP) in /in/k9NWB on line 17 Warning: A non-numeric value encountered in /in/k9NWB on line 17 Warning: A non-numeric value encountered in /in/k9NWB on line 17
Output for 7.1.0 - 7.1.20
Array ( [spider-man] => Array ( [name] => Peter Parker [email] => peterparker@mail.com ) [super-man] => Array ( [name] => Clark Kent [email] => clarkkent@mail.com ) [iron-man] => Array ( [name] => Harry Potter [email] => harrypotter@mail.com ) ) Notice: Use of undefined constant spider - assumed 'spider' in /in/k9NWB on line 17 Notice: Use of undefined constant man - assumed 'man' in /in/k9NWB on line 17 Warning: A non-numeric value encountered in /in/k9NWB on line 17 Warning: A non-numeric value encountered in /in/k9NWB on line 17 Notice: Undefined offset: 0 in /in/k9NWB on line 17
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20
Array ( [spider-man] => Array ( [name] => Peter Parker [email] => peterparker@mail.com ) [super-man] => Array ( [name] => Clark Kent [email] => clarkkent@mail.com ) [iron-man] => Array ( [name] => Harry Potter [email] => harrypotter@mail.com ) ) Notice: Use of undefined constant spider - assumed 'spider' in /in/k9NWB on line 17 Notice: Use of undefined constant man - assumed 'man' in /in/k9NWB on line 17 Notice: Undefined offset: 0 in /in/k9NWB on line 17
preferences:
155.95 ms | 403 KiB | 181 Q