3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "30c"+=1;
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '+=' (T_PLUS_EQUAL), expecting ',' or ';' in /in/jd4T9 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_PLUS_EQUAL, expecting ',' or ';' in /in/jd4T9 on line 2
Process exited with code 255.
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184.37 ms | 1395 KiB | 57 Q