3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php # how i can round 4.3 to 4.5, 4.2 to 4.0, 4.7 to 4.5 and 4.8 to 5.0 ? function bogoround($x) { static $calls = 0; $calls++; $results = [4.5,4.0,4.5,5.0]; return $results[$calls]; } var_dump(bogoround(4.3)); var_dump(bogoround(4.2)); var_dump(bogoround(4.7)); var_dump(bogoround(4.8));
Output for 5.4.0 - 7.1.0
float(4) float(4.5) float(5) Notice: Undefined offset: 4 in /in/99sFI on line 12 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/99sFI on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/99sFI on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/99sFI on line 11
Process exited with code 255.