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<?php $a = "new string"; $c = $b = $a; xdebug_debug_zval( 'a' ); unset( $b, $c ); xdebug_debug_zval( 'a' ); ?>
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function xdebug_debug_zval() in /in/N9FmD:4 Stack trace: #0 {main} thrown in /in/N9FmD on line 4
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function xdebug_debug_zval() in /in/N9FmD on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: xdebug_debug_zval() in /in/N9FmD on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: xdebug_debug_zval() in /in/N9FmD on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: xdebug_debug_zval() in /in/N9FmD on line 4