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Top Forums Shell Programming and Scripting Can I use read to read content of a variable Post 302301043 by vgersh99 on Wednesday 25th of March 2009 04:43:28 PM
Old 03-25-2009
Quote:
Originally Posted by nmalencia
mjd_tech : I tried both sets of replies and yours worked...except I could not reference the new variables outside of the brackets. In other words I got the values echoed for a,b,c and d from the echo within the brackets, but when I added the second echo line, I had lost the reference....do I need to do an eval or something to make it global?

IFS="~"
VAR1=1~2~3~4
echo $VAR1 | { read a b c d; echo "$a $b $c $d"; }
echo $a
output is:
Code:
1 2 3 4
1 2 3 4

 

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PARSE_STR(3)								 1							      PARSE_STR(3)

parse_str - Parses the string into variables

SYNOPSIS
void parse_str (string $str, [array &$arr]) DESCRIPTION
Parses $str as if it were the query string passed via a URL and sets variables in the current scope. Note To get the current QUERY_STRING, you may use the variable $_SERVER['QUERY_STRING']. Also, you may want to read the section on vari- ables from external sources. Note The magic_quotes_gpc setting affects the output of this function, as parse_str(3) uses the same mechanism that PHP uses to populate the $_GET, $_POST, etc. variables. PARAMETERS
o $str - The input string. o $arr - If the second parameter $arr is present, variables are stored in this variable as array elements instead. RETURN VALUES
No value is returned. EXAMPLES
Example #1 Using parse_str(3) <?php $str = "first=value&arr[]=foo+bar&arr[]=baz"; parse_str($str); echo $first; // value echo $arr[0]; // foo bar echo $arr[1]; // baz parse_str($str, $output); echo $output['first']; // value echo $output['arr'][0]; // foo bar echo $output['arr'][1]; // baz ?> SEE ALSO
parse_url(3), pathinfo(3), http_build_query(3), get_magic_quotes_gpc(3), urldecode(3). PHP Documentation Group PARSE_STR(3)
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