3v4l.org

run code in 300+ PHP versions simultaneously
<?php $STOP = 5; $i = 0; $j = 5; while($STOP-- > 0) { echo "i = $i ; j = $j\n"; if ( $i++ $j++ ) { echo "2up\n"; } }
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected '$j' (T_VARIABLE) in /in/BQ39a on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected T_VARIABLE in /in/BQ39a on line 11
Process exited with code 255.
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174.26 ms | 1395 KiB | 37 Q