Online PHP editor | refs for phpQU

<?php $base = '5.6.1.3b2'; $cmp = '5.6.1'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n"; $cmp = '5.6.1.2'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n"; $cmp = '5.6.1.3'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n"; $cmp = '5.6.1.3b2'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n"; $cmp = '5.6.1.3b3'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n"; $cmp = '5.6.1.3b4'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n"; $cmp = '5.6.1.4'; echo "$base vs $cmp: "; var_dump(version_compare($base, $cmp)); echo "\n\n";