3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php say("strcmp(): Returns < 0 if str1 is less than str2;\n", " > 0 if str1 is greater than str2, and 0 if they are equal.\n", " http://php.net/manual/en/function.strcmp.php"); # basic test string_lt('a', 'z'); # numeric strings string_lt('22', '123'); # non-numeric strings string_lt('bb', 'abc'); # non-numeric strings with numbers in # should be the same as "numeric strings" if strcmp() really does string comparison string_lt('22x', '123x'); function string_lt($str1, $str2) { # < operator if ($str1 < $str2) { say("$str1 < $str2"); } if ($str2 < $str1) { say("$str2 < $str1"); } # good old strcmp() if (strcmp($str1, $str2) < 0) { say("strcmp says: $str1 < $str2"); } if (strcmp($str2, $str1) < 0) { say("strcmp says: $str2 < $str1"); } } function string_lt_old($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 Waj0l
Output for 5.6.7 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
strcmp(): Returns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal. http://php.net/manual/en/function.strcmp.php a < z strcmp says: a < z 22 < 123 strcmp says: 123 < 22 abc < bb strcmp says: abc < bb 123x < 22x strcmp says: 123x < 22x
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/9b9Un on line 50
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/9b9Un on line 50
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/9b9Un on line 50
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '.', expecting ')' in /in/9b9Un on line 50
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '.', expecting ')' in /in/9b9Un on line 50
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/9b9Un on line 50
Process exited with code 255.