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Bugs & Features
<?php echo "Compare two non numeric strings: ('str' == '0') = " . ('str' == '0' ? 'true' : 'false') . "\n"; echo "Compare non numeric string to intteger 0: ('str' == 0) = " . ('str' == 0 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same senamtic): ('1e1' == '10') = " . ('1e1' == '10' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (precision): ('0.9999999999999999' == '1') = " . ('0.9999999999999999' == '1' ? ' true' : 'false') . "\n"; echo "Compare two numeric strings (precision4): ('0.99999999999999994' == '1') = " . ('0.99999999999999994' == '1' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (precision5): ('0.99999999999999995' == '1') = " . ('0.99999999999999995' == '1' ? 'true' : 'false') . "\n";
Output for 4.3.0 - 7.1.0
Compare two non numeric strings: ('str' == '0') = false Compare non numeric string to intteger 0: ('str' == 0) = true Compare two numeric strings (same senamtic): ('1e1' == '10') = true Compare two numeric strings (precision): ('0.9999999999999999' == '1') = false Compare two numeric strings (precision4): ('0.99999999999999994' == '1') = false Compare two numeric strings (precision5): ('0.99999999999999995' == '1') = true