hello,
i have a problem with strlen. I have written this:
for(y=13,z=0; cInBuf!=' ';y++)
{
cBuf=cInBuf;
z++;
}
len = strlen(cBuf);
out=len/2;
fprintf(outfile,"F%i",out);
If strlen is e.g. 22, it write F22. I want to write F2F2.
How can i do this?... (5 Replies)
Hello,
Just a little problem with the ksh function : strlen
I want to use this function in this little ksh program :
while read line ; do
TOTO=$line
TOTONB=strlen($TOTO)
echo $TOTONB (3 Replies)
Hi all,
I have a perl script which declares two variables and calls another perl script which accesses those variables. But I am unable to access the variables in the called script. My script is as follows:
my $ENV{a}="20";
system("perl called.pl");
and my called.pl contains:
print... (3 Replies)
In a declaration, I have:
const char comment_begin = "<!--";
const char comment_end = "-->";
const int comment_begin_len = strlen(comment_begin);
const int comment_end_len = strlen(comment_end);
When I compile, I get the warnings:
emhttpc.c:64: warning: initializer element is not... (10 Replies)
I have been getting some flack recently for my use of strlen() and strnlen(). Honestly I have always just taken their functionality for granted as being the easiest way of getting the length of a string. Is it really so much better to do pointer arithmetic? What am I gaining besides more... (3 Replies)
Hi!
Some minutes ago I've posted a question related with sed regexps because I need to catch information sended with forms with GET action. This is the post: https://www.unix.com/shell-programming-scripting/127800-regular-expression-sed.html
But now I have a new question. Does cgi scripts have... (0 Replies)
My OS (Debian) and gcc use the UTF-8 locale. This code says that the char size is 1 byte but the size of 'a' is really 4 bytes.
int main(void)
{
setlocale(LC_ALL, "en_US.UTF-8");
printf("Char size: %i\nSize of char 'a': %i\nSize of Euro sign '€': %i\nLength of Euro sign: %i\n",... (8 Replies)
Hello All,
I am getting this error while compiling my application on IBM AIX 5.3.
As I tried to define _XOPEN_SOURCE=500 in makefile, that didn't work.
Please help us to resolve the error. (0 Replies)
Hi! I've a C program as shown below..
The line numbers and the statements of the program are separated by a space..
1 #include<stdio.h>
2 char a,b,c;
3 float x,y,z;
4 int main()
5 {
6 int d,e,f;
7 // further declarations
8 // further declarations
9 /* body*/
10 }
11 void fun1()
12... (1 Reply)
Hello,
This function was copied into my code, which was compiled without error/warning, but when executed there is always Segmentation fault at the end after the output (which seems correct!):
void get_hashes(unsigned int hash, unsigned char *in)
{
unsigned char *str = in;
int pos =... (7 Replies)
Discussion started by: yifangt
7 Replies
LEARN ABOUT PHP
get_defined_vars
GET_DEFINED_VARS(3) 1 GET_DEFINED_VARS(3)get_defined_vars - Returns an array of all defined variablesSYNOPSIS
array get_defined_vars (void )
DESCRIPTION
This function returns a multidimensional array containing a list of all defined variables, be them environment, server or user-defined
variables, within the scope that get_defined_vars(3) is called.
RETURN VALUES
A multidimensional array with all the variables.
EXAMPLES
Example #1
get_defined_vars(3) Example
<?php
$b = array(1, 1, 2, 3, 5, 8);
$arr = get_defined_vars();
// print $b
print_r($arr["b"]);
/* print path to the PHP interpreter (if used as a CGI)
* e.g. /usr/local/bin/php */
echo $arr["_"];
// print the command-line parameters if any
print_r($arr["argv"]);
// print all the server vars
print_r($arr["_SERVER"]);
// print all the available keys for the arrays of variables
print_r(array_keys(get_defined_vars()));
?>
SEE ALSO isset(3), get_defined_functions(3), get_defined_constants(3).
PHP Documentation Group GET_DEFINED_VARS(3)