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run code in 200+ php & hhvm versions
Bugs & Features
<?php @$undef; @debug_zval_dump ( $undef ); $undef = "defined"; debug_val_dump($undef);
based on KrMWH
Output for 7.0.0 - 7.2.0
NULL Fatal error: Uncaught Error: Call to undefined function debug_val_dump() in /in/oOJ9D:6 Stack trace: #0 {main} thrown in /in/oOJ9D on line 6
Process exited with code 255.
Output for 5.0.0 - 5.6.28
NULL refcount(1) Fatal error: Call to undefined function debug_val_dump() in /in/oOJ9D on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
NULL refcount(1) Fatal error: Call to undefined function: debug_val_dump() in /in/oOJ9D on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
NULL refcount(1) Fatal error: Call to undefined function: debug_val_dump() in /in/oOJ9D on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
NULL refcount(1) Fatal error: Call to undefined function: debug_val_dump() in /in/oOJ9D on line 6