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run code in 150+ php & hhvm versions
Bugs & Features
<?php function test($var) { $var = 3; debug_zval_dump($var); } $a = 0; debug_zval_dump($var); countRefs($a);
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: var in /in/JmB4J on line 10 NULL Fatal error: Uncaught Error: Call to undefined function countRefs() in /in/JmB4J:11 Stack trace: #0 {main} thrown in /in/JmB4J on line 11
Process exited with code 255.
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: var in /in/JmB4J on line 10 NULL refcount(1) Fatal error: Call to undefined function countRefs() in /in/JmB4J on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: var in /in/JmB4J on line 10 NULL refcount(1) Fatal error: Call to undefined function countRefs() in /in/JmB4J on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Undefined variable: var in /in/JmB4J on line 10 NULL refcount(1) Fatal error: Call to undefined function: countrefs() in /in/JmB4J on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Notice: Undefined variable: var in /in/JmB4J on line 10 NULL refcount(1) Fatal error: Call to undefined function: countrefs() in /in/JmB4J on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: var in /in/JmB4J on line 10 NULL refcount(1) Fatal error: Call to undefined function: countrefs() in /in/JmB4J on line 11