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run code in 150+ php & hhvm versions
Bugs & Features
<?php function ciao() { $out = '<pre>'; $args = func_get_args(); if(!empty($args)) { // var_export() causes fatal errors on recursion... ob_start(); ini_set('xdebug.var_display_max_depth', 4); var_dump($args); $out .= ob_get_contents()."\n\n"; ob_end_clean(); } $out .= get_backtrace(1); die($out); } class A { function B() { while (ob_get_level() > 1) ob_end_flush(); // store possible trailing content $content = ob_get_clean(); // start an output buffer which cannot be flushed (3rd parameter is false) // callback function get all output and corrects Content-Length header ob_start(function($buffer) { ciao($buffer); }, 0, false); } } $a = new A; $a->B();
Output for 5.3.0 - 5.3.29, 7.0.1 - 7.1.0
Fatal error: ob_start(): Cannot use output buffering in output buffering display handlers in /in/O35ZA on line 12
Process exited with code 255.
Output for 7.0.0
Catchable fatal error: ob_start(): Cannot use output buffering in output buffering display handlers in /in/O35ZA on line 12
Process exited with code 255.
Output for 5.4.7 - 5.6.28
Fatal error: Cannot destroy active lambda function in /in/O35ZA on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.6
Fatal error: Cannot destroy active lambda function in /in/O35ZA on line 12
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/O35ZA on line 36
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/O35ZA on line 36
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/O35ZA on line 36
Process exited with code 255.