3v4l.org

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<?php $word = "$1$s"; or $word = "$2$s" if(preg_match('/^\$[1-9]{1}\$s$/' ,$word)){ echo 'true'; } else { echo 'false'; }
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'or' (T_LOGICAL_OR) in /in/DvHn3 on line 4
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, 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_LOGICAL_OR in /in/DvHn3 on line 4
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
Parse error: parse error, unexpected T_LOGICAL_OR in /in/DvHn3 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/DvHn3 on line 4
Process exited with code 255.
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