From: csaba at alum dot mit dot edu Operating system: PHP version: 5.1.1 PHP Bug Type: Scripting Engine problem Bug description: auto_prepend_file neither prepends nor includes
Description: ------------ auto_prepend_file in the php.ini file neither acts as if it prepends the designated file nor as if it were included (as stated at http://hu.php.net/manual/en/ini.core.php#ini.auto-prepend-file). Specifically, if this were the case, then functions defined in the main script would take precedence over functions defined in the auto_prepend_file, but they do not. Use case: It seems reasonable to define a standard library of all functions available to all scripts under a php installation (through the auto_prepend_file php.ini setting). It also makes sense for select scripts to be able to override these functions. In a single .php file (with no auto_prepend_file present), this would be accomplished as follows with Script1: <?php if (!function_exists('showLine')) { function showLine($letter) { print "First $letter.\n"; } } showLine("B"); function showLine($letter) { print "Second $letter.\n"; } ?> This produces no error, and an output of: Second B. If the last line is commented out, you would instead get: First B. Moving the first two lines to includeMe.php: <?php if (!function_exists('showLine')) { function showLine($letter) { print "First $letter.\n"; } } ?> and invoking the following script2 leads to the same result: <?php include('includeMe.php'); showLine("B"); function showLine($letter) { print "Second $letter.\n"; } ?> However, if php.ini's auto_prepend_file now points to includeMe.php and the include statement is removed from script2 to yield script3, script3 will error with a duplicate function definition, which is what I am reporting as improper behaviour. Script3: <?php showLine("B"); function showLine($letter) { print "Second $letter.\n"; } ?> Thanks, Csaba Gabor from Vienna Expected result: ---------------- My expectation for what the auto_prepend_file does is that it either prepends the designated file to the main script, or treats it as having been named by an include/require function as the 1st line of the script (the difference is effectively whether the function definitions in the auto_prepend_file are seen before the main script's function definitions or not). To be specific: Remove, the first statement from the doc and have only (with code to match): Specifies the name of the file to be parsed as if it were called via an include construct at the very beginning of the main script (so include_path is used). Actual result: -------------- The documentation at the page above claims two contradictory things: It says that auto_prepend_file is parsed before the main file, and it says that the file is included as if it were called with the include() function. The current situation is that the auto_prepend_file is parsed separately (before) the main script file (as opposed to prepended or included), but the file name is placed onto the include file list (so that it can no longer be include_once'd - see also: http://bugs.php.net/bug.php?id=32924) -- Edit bug report at http://bugs.php.net/?id=35811&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=35811&r=trysnapshot44 Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=35811&r=trysnapshot51 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=35811&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=35811&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35811&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35811&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35811&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35811&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35811&r=support Expected behavior: http://bugs.php.net/fix.php?id=35811&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35811&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35811&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35811&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35811&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35811&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35811&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35811&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35811&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35811&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35811&r=mysqlcfg
