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run code in 150+ php & hhvm versions
Bugs & Features
<?php # basic test string_lt('a', 'z'); string_lt('z', 'a'); # numeric strings string_lt('22', '123'); string_lt('123', '22'); # non-numeric strings string_lt('bb', 'abc'); string_lt('abc', 'bb'); # non-numeric strings with numbers in # should be the same as "numeric strings" if strcmp() really does string comparison string_lt('22x', '123x'); string_lt('123x', '22x'); function string_lt($str1, $str2) { # < operator if ($str1 < $str2) { say "$str1 < $str2"; } } function string_lt_old($str1, $str2) { # you can't use < operator for comparing strings # wacky stuff will happen $lt_says = ((string) $str1 < (string) $str2); # see what strcmp() says $strcmp_says = strcmp($str1, $str2); echo "$str1 less than $str2; lt_says: $lt_says, strcmp_says: $strcmp_says\n"; } function say(...$msgs) { foreach ($msgs as $msg) { echo $msg; } echo "\n"; }
based on qUSO2
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.32
Parse error: syntax error, unexpected '"' in /in/hIWGc on line 23
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '\"' in /in/hIWGc on line 23
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/hIWGc on line 23
Process exited with code 255.