3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = [ #ints 0,1,2,-1,-2, #floats 0.0,0.1,0.2,1.0,1.1,2.0,2.1, -0.1,-0.2,-1.0,-1.1,-2.0,-2.1, #strings "", "a", "0","@","NULL", #bool true, false, #array [], ["a"],[[]], #object new stdClass, #null NULL,"\0", function(){}, ]; foreach($test as $k => $v){ if(is_scalar($v)){ $j = $k + 97; ${$j} = new stdClass; ${$j}->${$j} = $v; $test[] = ${$j}; } } print_r($test);
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /in/NnZnq:26 Stack trace: #0 {main} thrown in /in/NnZnq on line 26
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Object of class stdClass could not be converted to string in /in/NnZnq on line 26
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Catchable fatal error: Object of class stdClass could not be converted to string in /in/NnZnq on line 26
Process exited with code 255.

preferences:
152.31 ms | 402 KiB | 229 Q