3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function reverse($string) { $substr1 = ""; $substr2 = ""; $strLength = strlen($string); for ($i = 0; $i < ($strLength / 2); $i++) { var_dump($strLength-$i); var_dump($strLength / 2-$i); $substr1 .= $string[$strLength-$i]; $substr2 .= $string[$strLength / 2 - $i]; } //var_dump($substr1); //var_dump($substr2); return $string = $substr1.$substr2; } var_dump(reverse('12345'));
based on Lms7h
Output for 5.4.5 - 7.1.0
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/Ur266 on line 9 Notice: String offset cast occurred in /in/Ur266 on line 10 int(4) float(1.5) Notice: String offset cast occurred in /in/Ur266 on line 10 int(3) float(0.5) Notice: String offset cast occurred in /in/Ur266 on line 10 string(5) "54321"
Output for 5.4.0 - 5.4.4
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/Ur266 on line 9 Notice: String offset cast occured in /in/Ur266 on line 10 int(4) float(1.5) Notice: String offset cast occured in /in/Ur266 on line 10 int(3) float(0.5) Notice: String offset cast occured in /in/Ur266 on line 10 string(5) "54321"
Output for 5.2.10 - 5.3.29
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/Ur266 on line 9 int(4) float(1.5) int(3) float(0.5) string(5) "54321"
Output for 4.3.0 - 5.2.9
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/Ur266 on line 9 int(4) float(1.5) int(3) float(0.5) string(5) "54321"