3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $ids = ['q1', 'q2']; $values = [1, 2]; $equation = 'q1*(q2-1)'; echo eval(str_replace($ids, $values, $equation));
Output for 5.4.0 - 5.4.10, 7.0.0 - 7.2.0
Parse error: syntax error, unexpected end of file in /in/ratJp(6) : eval()'d code on line 1
Process exited with code 255.
Output for 5.4.11 - 5.6.28
Parse error: syntax error, unexpected end of file in /in/ratJp(6) : eval()'d code on line 1
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ratJp on line 3
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/ratJp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ratJp on line 3
Process exited with code 255.