Retest with "killer" params  

a= param to clash with $_GET     another parameter     third parameter
   

Raw display of $_GET:
 
$_REQUEST ($_GET, $_POST and possibly $_COOKIE):
array (
)
$_GET:
array (
  'newval' => 'added within a function',
)
$_POST:
array (
)
$_COOKIE:
array (
)
$_SERVER:
array (
  'PATH' => '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin',
  'PP_CUSTOM_PHP_INI' => '/var/www/vhosts/system/rhaworth.net/etc/php.ini',
  'PP_CUSTOM_PHP_CGI_INDEX' => 'plesk-php56-fastcgi',
  'SCRIPT_NAME' => '/test/shownvi.php',
  'REQUEST_URI' => '/test/shownvi.php',
  'QUERY_STRING' => '',
  'REQUEST_METHOD' => 'GET',
  'SERVER_PROTOCOL' => 'HTTP/1.1',
  'GATEWAY_INTERFACE' => 'CGI/1.1',
  'REMOTE_PORT' => '41400',
  'SCRIPT_FILENAME' => '/var/www/vhosts/rhaworth.net/httpdocs/test/shownvi.php',
  'SERVER_ADMIN' => 'root@localhost',
  'CONTEXT_DOCUMENT_ROOT' => '/var/www/vhosts/rhaworth.net/httpdocs',
  'CONTEXT_PREFIX' => '',
  'REQUEST_SCHEME' => 'https',
  'DOCUMENT_ROOT' => '/var/www/vhosts/rhaworth.net/httpdocs',
  'REMOTE_ADDR' => '3.235.186.94',
  'SERVER_PORT' => '443',
  'SERVER_ADDR' => '195.224.99.182',
  'SERVER_NAME' => 'rhaworth.net',
  'SERVER_SOFTWARE' => 'Apache',
  'SERVER_SIGNATURE' => '',
  'HTTP_CONNECTION' => 'close',
  'HTTP_HOST' => 'rhaworth.net',
  'HTTP_ACCEPT_ENCODING' => 'br,gzip',
  'HTTP_ACCEPT_LANGUAGE' => 'en-US,en;q=0.5',
  'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
  'HTTP_USER_AGENT' => 'CCBot/2.0 (https://commoncrawl.org/faq/)',
  'SSL_TLS_SNI' => 'rhaworth.net',
  'HTTPS' => 'on',
  'PERL5LIB' => '/usr/share/awstats/lib:/usr/share/awstats/plugins',
  'SCRIPT_URI' => 'https://rhaworth.net/test/shownvi.php',
  'SCRIPT_URL' => '/test/shownvi.php',
  'UNIQUE_ID' => 'Y9MA1MY6M5giJsvklCFfhAAAAA0',
  'FCGI_ROLE' => 'RESPONDER',
  'PHP_SELF' => '/test/shownvi.php',
  'REQUEST_TIME_FLOAT' => 1674772692.826401,
  'REQUEST_TIME' => 1674772692,
  'SCRIPT_DIR' => 'https://rhaworth.net/test/',
  'HTTP_WINVER' => false,
)
getcwd(): matches $_SERVER['SCRIPT_FILENAME']
'/var/www/vhosts/rhaworth.net/httpdocs/test'
$_SESSION:
NULL
$_ENV:
array (
)
$_FILES:
array (
)
$argc:   

$argv:
NULL
apache_request_headers():
array (
  'Connection' => 'close',
  'Host' => 'rhaworth.net',
  'Accept-Encoding' => 'br,gzip',
  'Accept-Language' => 'en-US,en;q=0.5',
  'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
  'User-Agent' => 'CCBot/2.0 (https://commoncrawl.org/faq/)',
)
getdate():
Array
(
    [seconds] => 12
    [minutes] => 38
    [hours] => 22
    [mday] => 26
    [wday] => 4
    [mon] => 1
    [year] => 2023
    [yday] => 25
    [weekday] => Thursday
    [month] => January
    [0] => 1674772692
)
http_response_code():  200 
 
pathinfo(__FILE__):
array (
  'dirname' => '/var/www/vhosts/rhaworth.net/httpdocs/test',
  'basename' => 'shownvi.php',
  'extension' => 'php',
  'filename' => 'shownvi',
)
posix_getpwuid(): for /var/www/vhosts/rhaworth.net/httpdocs/test/shownvi.php
array (
  'name' => 'admin145042',
  'passwd' => 'x',
  'uid' => 10062,
  'gid' => 1003,
  'gecos' => '',
  'dir' => '/var/www/vhosts/rhaworth.net',
  'shell' => '/bin/false',
)
stat(__FILE__):
array (
  0 => 2050,
  1 => 3236646781,
  2 => 33188,
  3 => 1,
  4 => 10062,
  5 => 1003,
  6 => 0,
  7 => 8877,
  8 => 1674686414,
  9 => 1674411284,
  10 => 1674416670,
  11 => 4096,
  12 => 24,
  'dev' => 2050,
  'ino' => 3236646781,
  'mode' => 33188,
  'nlink' => 1,
  'uid' => 10062,
  'gid' => 1003,
  'rdev' => 0,
  'size' => 8877,
  'atime' => 1674686414,
  'mtime' => 1674411284,
  'ctime' => 1674416670,
  'blksize' => 4096,
  'blocks' => 24,
)
Window data: get_headers(): add gh=1 to command line to use get_headers() or gh=2 to use http_get(). Warning may be very slow!

php.ini:
; ATTENTION!
; 
; DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
; SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.

[PHP]
SMTP = localhost
allow_url_fopen = On
allow_url_include = Off
asp_tags = Off
auto_append_file = 
auto_globals_jit = On
auto_prepend_file = 
bcmath.scale = 0
cli_server.color = On
default_charset = "UTF-8"
default_mimetype = "text/html"
default_socket_timeout = 60
disable_classes = 
disable_functions = exec,passthru,shell_exec,system,proc_open,popen.
display_errors = Off
display_startup_errors = Off
doc_root = 
enable_dl = Off
engine = On
error_reporting = 22519
expose_php = On
file_uploads = On
html_errors = On
ibase.allow_persistent = 1
ibase.dateformat = "%Y-%m-%d"
ibase.max_links = -1
ibase.max_persistent = -1
ibase.timeformat = "%H:%M:%S"
ibase.timestampformat = "%Y-%m-%d %H:%M:%S"
ignore_repeated_errors = Off
ignore_repeated_source = Off
implicit_flush = Off
ldap.max_links = -1
log_errors = off
log_errors_max_len = 1024
mail.add_x_header = On
max_execution_time = 30
max_file_uploads = 20
max_input_time = 60
memory_limit = 128M
mssql.allow_persistent = On
mssql.compatibility_mode = Off
mssql.max_links = -1
mssql.max_persistent = -1
mssql.min_error_severity = 10
mssql.min_message_severity = 10
mssql.secure_connection = Off
mysql.allow_local_infile = On
mysql.allow_persistent = On
mysql.cache_size = 2000
mysql.connect_timeout = 60
mysql.default_host = 
mysql.default_password = 
mysql.default_port = 
mysql.default_socket = 
mysql.default_user = 
mysql.max_links = -1
mysql.max_persistent = -1
mysql.trace_mode = Off
mysqli.allow_persistent = On
mysqli.cache_size = 2000
mysqli.default_host = 
mysqli.default_port = 3306
mysqli.default_pw = 
mysqli.default_socket = 
mysqli.default_user = 
mysqli.max_links = -1
mysqli.max_persistent = -1
mysqli.reconnect = Off
mysqlnd.collect_memory_statistics = Off
mysqlnd.collect_statistics = On
odbc.allow_persistent = On
odbc.check_persistent = On
odbc.defaultbinmode = 1
odbc.defaultlrl = 4096
odbc.max_links = -1
odbc.max_persistent = -1
open_basedir = none
output_buffering = 4096
pdo_mysql.cache_size = 2000
pdo_mysql.default_socket = 
pgsql.allow_persistent = On
pgsql.auto_reset_persistent = Off
pgsql.ignore_notice = 0
pgsql.log_notice = 0
pgsql.max_links = -1
pgsql.max_persistent = -1
post_max_size = 8M
precision = 14
register_argc_argv = Off
report_memleaks = On
request_order = "GP"
serialize_precision = 17
session.auto_start = 0
session.cache_expire = 180
session.cache_limiter = nocache
session.cookie_domain = 
session.cookie_httponly = 
session.cookie_lifetime = 0
session.cookie_path = /
session.gc_divisor = 1000
session.gc_maxlifetime = 1440
session.gc_probability = 0
session.hash_bits_per_character = 5
session.hash_function = 0
session.name = PHPSESSID
session.referer_check = 
session.save_handler = files
session.save_path = "/var/lib/php/session"
session.serialize_handler = php
session.use_cookies = 1
session.use_only_cookies = 1
session.use_strict_mode = 0
session.use_trans_sid = 0
short_open_tag = Off
smtp_port = 25
soap.wsdl_cache_dir = "/tmp"
soap.wsdl_cache_enabled = 1
soap.wsdl_cache_limit = 5
soap.wsdl_cache_ttl = 86400
sql.safe_mode = Off
sybct.allow_persistent = On
sybct.max_links = -1
sybct.max_persistent = -1
sybct.min_client_severity = 10
sybct.min_server_severity = 10
tidy.clean_output = Off
track_errors = Off
unserialize_callback_func = 
upload_max_filesize = 2M
url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry"
user_dir = 
variables_order = "GPCS"
zend.enable_gc = On
zlib.output_compression = Off

phpversion():  5.6.40 
 
This box is specified as 50 em wide
$_REQUEST[em2px]=16. So this box is specified as 50*16=800 pixels wide


All sites:  localhost | RHaworth.com (interceptor) | croydonquakers.org.uk | epsomquakers.org.uk | purleyquakers.org.uk | slaqm.org.uk | southlondonquakers.org.uk | mikrocosm.com | robust-ae.com | posp.org.uk | rhaworth.net | theplayersofstpeter.org.uk | shakespearereadingsociety.co.uk
 
2023 Jan 22  18:14:44 - /var/www/vhosts/rhaworth.net/httpdocs/test/shownvi.php = $_SERVER['SCRIPT_FILENAME']
2023 Jan 22  18:14:44 - /var/www/vhosts/rhaworth.net/httpdocs/test/shownvi.php = __FILE__

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