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[1998-03-10 13:06 UTC] putsch at unitrode dot com
Here's a script that demonstrates the problem. Note the output is
not correct:
<HTML>
<HEAD>
<TITLE>Tools Design Overview</TITLE>
</HEAD>
<BODY>
<?php
$colDirs[] = "releasenotes";
$colDirs[] = "devdatabook";
$colDirs[] = "desrules";
$colDirs[] = "techfiles";
echo "<B>Setting:</b><br>";
reset($colDirs);
while($colDir = current($colDirs)) {
for ($i=0; $i < 5; $i++) {
printf ("%s[%d] to %d ...; ", $colDir, $i, $i);
$$colDir[$i] = $i;
printf ("%s[%d] = %d<br>", $colDir, $i, $$colDir[$i]);
}
next($colDirs);
}
echo "<B>Recalling:</b><br>";
reset($colDirs);
while($colDir = current($colDirs)) {
for ($i=0; $i < 5; $i++) {
printf ("%s[%d] = %d<br>", $colDir, $i, $$colDir[$i]);
}
next($colDirs);
}
?>
</body>
</html>
configure was run as:
./configure --with-apache=/local/src/WWW/apache_1.3b5 \
--with-mysql=/tools/mysql \
--with-config-file-path=/opt/WWW/etc \
--with-exec-dir=/opt/WWW/php-bin \
--enable-short-tags=no
This is my php3.ini file:
[PHP_3]
engine = 1 ; enable PHP 3.0 parser
max_execution_time = 30 ; Maximum execution time of each script, in seconds
memory_limit = 4194304 ; Maximum amount of memory a script may consume
(4MB)
; error_reporting is a bit-field. Add each number up to get desired error repor
ting level
; 1 = Normal errors
; 2 = Normal warnings
; 4 = Parser errors
; 8 = Really picky warnings - ie. using a variable before defining it
error_reporting=7
display_errors=1 ; Print out errors (as a part of the HTML script)
log_errors=0 ; Log errors into a log file (server-specific
log, stderr, or error_log (below))
track_errors=0 ; Store the last error/warning message in $php_errorm
sg (boolean)
;error_log=filename ; log errors to specified file
;error_log=syslog ; log errors to syslog (Event Log on NT, not val
id in Windows 95)
warn_plus_overloading=0 ; warn if the + operator is used with strings
magic_quotes_gpc = 1 ; magic quotes for incoming GET/POST/Cookie data
magic_quotes_runtime = 0 ; magic quotes for runtime-generated data, e.g. data
from SQL, from exec(), etc.
magic_quotes_sybase = 0 ; Use Sybase-style magic quotes (escape ' with '' ins
tead of \')
track_vars=1 ; enable $PHP_GET_VARS[], $PHP_POST_VARS[] and $PHP_C
OOKIE_VARS[] arrays
short_open_tag=1 ; allow the <? tag. otherwise, only <?php is recogni
zed.
; paths and directories
include_path=/opt/WWW/include
doc_root=/opt/WWW/httpd ; the document root of the web server
user_dir=public_html ; the directory under which the web server checks
when using /~username
upload_tmp_dir=\windows\temp ; temporary directory for HTTP uploaded files
extension_dir=./ ; directory in which the loadable extensions (modu
les) reside
; file extensions (meaningless in UNIX)
cgi_ext=php3
isapi_ext=php3
nsapi_ext=php3
; automatically add files before or after any PHP 3.0 document
auto_prepend_file=
auto_append_file=
[mail function]
SMTP=localhost ;for win32 only
sendmail_from=me@localhost.com ;for win32 only
sendmail_path= ;for unix only
[safemode]
safe_mode=0
safe_mode_exec_dir=
[Debugger]
debugger.host=localhost
debugger.port=7869
debugger.enabled=0
[Logging]
logging=0
log_DBM=0
log_DBM_dir=.
log_SQL=0
[LoadExtensions]
; if you wish to have an extension loaded automaticly, use the
; following syntax: extension=modulename.extension
; for example, on windows,
; extension=msql.dll
[Highlight]
; Colors for Syntax Highlighting mode. Anything that's acceptable in <font colo
r=???> would work.
highlight.string = #DD0000
highlight.comment = #FF8000
highlight.keyword = #007700
highlight.bg = #FFFFFF
highlight.default = #0000BB
highlight.html = #000000
[SQL]
sql.safe_mode=0
[MySQL]
mysql.allow_persistent=1 ; allow or prevent persistent link
mysql.max_persistent=-1 ; maximum number of persistent links. -1 means no limit
mysql.max_links=-1 ; maximum number of links (persistent+non persistent).
-1 means no limit
[mSQL]
msql.allow_persistent=1 ; allow or prevent persistent link
msql.max_persistent=-1 ; maximum number of persistent links. -1 means no limit
msql.max_links=-1 ; maximum number of links (persistent+non persistent).
-1 means no limit
[PostgresSQL]
pgsql.allow_persistent=1 ; allow or prevent persistent link
pgsql.max_persistent=-1 ; maximum number of persistent links. -1 means no limit
pgsql.max_links=-1 ; maximum number of links (persistent+non persistent).
-1 means no limit
[Sybase]
sybase.allow_persistent=1 ; allow or prevent persistent link
sybase.max_persistent=-1 ; maximum number of persistent links. -1 means no limi
t
sybase.max_links=-1 ; maximum number of links (persistent+non persistent).
-1 means no limit
;sybase.interface_file = "/usr/sybase/interfaces"
sybase.min_error_severity=10 ; minimum error severity to display
sybase.min_message_severity=10 ; minimum message severity to display
[Sybase-CT]
sybct.allow_persistent=1 ; allow or prevent persistent link
sybct.max_persistent=-1 ; maximum number of persistent links. -1 means no limit
sybct.max_links=-1 ; maximum number of links (persistent+non persistent).
-1 means no limit
sybct.min_server_severity=10 ; minimum server message severity to display
sybct.min_client_severity=10 ; minimum client message severity to display
[bcmath]
bcmath.scale = 3 ; number of decimal digits for all bcmath functions
[browscap]
;browscap = extra/browscap.ini
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Last updated: Sun Oct 01 16:01:24 2023 UTC |
This is not a bug. The problem is that $$var[i] is ambiguos. For example: If you have $b[1]="c" and $a[1]="d" and $b="a" $c="e"; What would $$b[1] refer to? $b[1] = c so $$b[1] could be $c which = "e" Or $b = "c" so $$b = $c and $c[1] is undefined. You have to tell PHP what the index is dereferencing. You need to use either ${$b}[1] or ${$b[1]} depending on which variable you want the array index to refer to.