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run code in 150+ php & hhvm versions
Bugs & Features
<?php function a() { b(array(1, 7, 4)); } function b($b) { c(); } function c() { debug_print_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS); } a();
Output for 5.3.6 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
#0 c() called at [/in/PpbF6:3] #1 b() called at [/in/PpbF6:2] #2 a() called at [/in/PpbF6:5]
Output for 5.3.0 - 5.3.5
Notice: Use of undefined constant DEBUG_BACKTRACE_IGNORE_ARGS - assumed 'DEBUG_BACKTRACE_IGNORE_ARGS' in /in/PpbF6 on line 4 Warning: debug_print_backtrace() expects exactly 0 parameters, 1 given in /in/PpbF6 on line 4
Output for 5.0.0 - 5.2.17
Notice: Use of undefined constant DEBUG_BACKTRACE_IGNORE_ARGS - assumed 'DEBUG_BACKTRACE_IGNORE_ARGS' in /in/PpbF6 on line 4 Warning: Wrong parameter count for debug_print_backtrace() in /in/PpbF6 on line 4
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: debug_print_backtrace() in /in/PpbF6 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: debug_print_backtrace() in /in/PpbF6 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: debug_print_backtrace() in /in/PpbF6 on line 4