3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(is_string(''), is_string(' ')); # true true //$v = ' '; //$v[] = 1; $v = ''; $v[] = 1; var_dump($v);
Output for 7.1.0 - 7.2.8
bool(true) bool(true) Fatal error: Uncaught Error: [] operator not supported for strings in /in/OI07e:9 Stack trace: #0 {main} thrown in /in/OI07e on line 9
Process exited with code 255.
Output for 4.3.0 - 7.0.20
bool(true) bool(true) array(1) { [0]=> int(1) }