3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(is_string(''), is_string(' ')); # true true $v = ' '; $v[] = 1; $v = ''; $v[] = 1;
Output for 7.0.0 - 7.1.0
bool(true) bool(true) Fatal error: Uncaught Error: [] operator not supported for strings in /in/iA7E3:6 Stack trace: #0 {main} thrown in /in/iA7E3 on line 6
Process exited with code 255.
Output for 4.3.2 - 5.6.28, hhvm-3.10.0 - 3.12.0
bool(true) bool(true) Fatal error: [] operator not supported for strings in /in/iA7E3 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
bool(true) bool(true) Fatal error: [] operator not supported for strings in /in/iA7E3 on line 6