3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=20; $b=4; $carp=$a*$b; echo $carp; $bol=$a\$b; echo $bol; ?>
Output for 5.4.0 - 5.4.39
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR) in /in/dCS0L on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_NS_SEPARATOR in /in/dCS0L on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/dCS0L on line 6 Parse error: syntax error, unexpected T_VARIABLE in /in/dCS0L on line 6
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
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/dCS0L on line 6 Parse error: parse error, unexpected T_VARIABLE in /in/dCS0L on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/dCS0L on line 6 Parse error: parse error in /in/dCS0L on line 6
Process exited with code 255.
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