3v4l.org

run code in 300+ PHP versions simultaneously
<?php class t { public $val; } $arr=array(); $a=new t(); $a->val=1; $arr[]=$a; $a=new t(); $a->val=2; $arr[]=$a; $a->val=6 echo json_encode($arr);
Output for 5.4.0 - 5.4.16
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/meZrX on line 14
Process exited with code 255.
Output for 5.3.0 - 5.3.26
Parse error: syntax error, unexpected T_ECHO in /in/meZrX on line 14
Process exited with code 255.
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174.89 ms | 1395 KiB | 51 Q