09-26-2013
Quote:
Originally Posted by
periyasamycse
Hi,
Have assigned values in Array and iterating in while loop and would require values outside of the loop. But its returning NULL.
could you please help us how to define Global array declaration in Unix shell scripting?
i am using Kron shell.
Thanks in advance.
I assume you mean that you're using the Korn shell.
If your array assignments are happening in a subshell environment, the values assigned will not be seen in the original shell environment. (If this is the case sea's suggestion won't help.)
Without seeing your code, we can only waste time guessing at what might be wrong. Please show us your code, explain what you want that code to do, show us the output you want, and show us the output you are getting (including all diagnostic messages). Please also tell us what type of system you're using. (The utilities available and the options available for those utilities varies from system to system.)
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LEARN ABOUT PHP
array_flip
ARRAY_FLIP(3) 1 ARRAY_FLIP(3)
array_flip - Exchanges all keys with their associated values in an array
SYNOPSIS
array array_flip (array $array)
DESCRIPTION
array_flip(3) returns an array in flip order, i.e. keys from $array become values and values from $array become keys.
Note that the values of $array need to be valid keys, i.e. they need to be either integer or string. A warning will be emitted if a value
has the wrong type, and the key/value pair in question will not be included in the result.
If a value has several occurrences, the latest key will be used as its value, and all others will be lost.
PARAMETERS
o $array
- An array of key/value pairs to be flipped.
RETURN VALUES
Returns the flipped array on success and NULL on failure.
EXAMPLES
Example #1
array_flip(3) example
<?php
$input = array("oranges", "apples", "pears");
$flipped = array_flip($input);
print_r($flipped);
?>
The above example will output:
Array
(
[oranges] => 0
[apples] => 1
[pears] => 2
)
Example #2
array_flip(3) example : collision
<?php
$input = array("a" => 1, "b" => 1, "c" => 2);
$flipped = array_flip($input);
print_r($flipped);
?>
The above example will output:
Array
(
[1] => b
[2] => c
)
SEE ALSO
array_values(3), array_keys(3), array_reverse(3).
PHP Documentation Group ARRAY_FLIP(3)