#50983 [NEW]: default value for $length parameter of substr_compare() is incorrect in docs

From: guy dot paddock at gmail dot com Operating system: Debian Etch PHP version: 5.2.12 PHP Bug Type: Documentation problem Bug description: default value for $length parameter of substr_compare() is incorrect in docs Description: ------------ The documentation for substr_compare() indicates that the default value for the $length parameter is the string length of the $main_str parameter, but this doesn't appear to be the case. Reproduce code: --------------- --- From manual page: function.substr-compare#Description --- <?php $a = "abc123"; $b = "abc"; echo "Is the documentation correct? "; echo ((substr_compare($b, $a, 0) == (substr_compare($b, $a, 0, strlen($b)))) ? 'true' : 'false'); echo "\n"; ?> Expected result: ---------------- Is the documentation correct? true Actual result: -------------- Is the documentation correct? false -- Edit bug report at http://bugs.php.net/?id=50983&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=50983&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=50983&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=50983&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=50983&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=50983&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=50983&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=50983&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=50983&r=needscript Try newer version: http://bugs.php.net/fix.php?id=50983&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=50983&r=support Expected behavior: http://bugs.php.net/fix.php?id=50983&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=50983&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=50983&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=50983&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=50983&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=50983&r=dst IIS Stability: http://bugs.php.net/fix.php?id=50983&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=50983&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=50983&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=50983&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=50983&r=mysqlcfg