#46574 [NEW]: Literal backslashes before other backslashes should also be escaped

From: francois at bonzon dot com Operating system: BPJZ PHP version: Irrelevant PHP Bug Type: Documentation problem Bug description: Literal backslashes before other backslashes should also be escaped Description: ------------ http://www.php.net/manual/en/language.types.string.php#language.types.st ring.syntax.single says: "To specify a literal backslash before a single quote, or at the end of the string, double it (\\)." This is incomplete, It should be added "before another backslash". Like this: "To specify a literal backslash before a single quote, before another backslash, or at the end of the string, double it (\\)." Reproduce code: --------------- To echo a literal single-quoted string containing only two backslash characters, I start by writing the enclosing quotes and the two backslashes themselves: echo '\\'; Then I should escape the second backslash, because it is "at the end of the string". It gives echo '\\\'; The first backslash, according the documentation, should not escaped, because it is neither before a single quote or at the end of the string. Expected result: ---------------- Two backslashes are echoed. Actual result: -------------- Parse error. -- Edit bug report at http://bugs.php.net/?id=46574&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=46574&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=46574&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=46574&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=46574&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=46574&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=46574&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=46574&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=46574&r=needscript Try newer version: http://bugs.php.net/fix.php?id=46574&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=46574&r=support Expected behavior: http://bugs.php.net/fix.php?id=46574&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=46574&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=46574&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=46574&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=46574&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=46574&r=dst IIS Stability: http://bugs.php.net/fix.php?id=46574&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=46574&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=46574&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=46574&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=46574&r=mysqlcfg