3v4l.org

run code in 300+ PHP versions simultaneously
<?php $zahl1 = 1; $operator = "+"; $zahl2 = 3; $neuezahl = '$zahl1' . $operator . '$zahl3'; echo $neuezahl; eval($neuezahl);
Output for 5.4.0 - 5.4.10, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
$zahl1+$zahl3 Parse error: syntax error, unexpected end of file in /in/eom0A(11) : eval()'d code on line 1
Process exited with code 255.
Output for 5.4.11 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
$zahl1+$zahl3 Parse error: syntax error, unexpected end of file in /in/eom0A(11) : eval()'d code on line 1
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
$zahl1+$zahl3 Parse error: syntax error, unexpected $end in /in/eom0A(11) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
$zahl1+$zahl3 Parse error: parse error, unexpected $ in /in/eom0A(11) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.2 - 4.3.4
$zahl1+$zahl3 Parse error: parse error in /in/eom0A(11) : eval()'d code on line 1
Process exited with code 255.

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