Hi
How can i compare a string using if statement in a script?
For eg:
I have
filename="abc.sh"
if ;then
{
.......
.......
}
fi
but this doesnot work .. How will i execute this ??
Thanks in advance (1 Reply)
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Hi,
I am trying to do the following to see if "ip" is already present in a file.
if ; then
echo "hi"
else
echo "hello"
fi
I am seeing errors on the if statement. Can someone please correct the syntax for me? Thanks (2 Replies)
Discussion started by: waince
2 Replies
LEARN ABOUT PHP
array_intersect_key
ARRAY_INTERSECT_KEY(3) 1 ARRAY_INTERSECT_KEY(3)array_intersect_key - Computes the intersection of arrays using keys for comparisonSYNOPSIS
array array_intersect_key (array $array1, array $array2, [array $...])
DESCRIPTION array_intersect_key(3) returns an array containing all the entries of $array1 which have keys that are present in all the arguments.
PARAMETERS
o $array1
- The array with master keys to check.
o $array2
- An array to compare keys against.
o $...
- A variable list of arrays to compare.
RETURN VALUES
Returns an associative array containing all the entries of $array1 which have keys that are present in all arguments.
EXAMPLES
Example #1
array_intersect_key(3) example
<?php
$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4);
$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8);
var_dump(array_intersect_key($array1, $array2));
?>
The above example will output:
array(2) {
["blue"]=>
int(1)
["green"]=>
int(3)
}
In our example you see that only the keys 'blue' and 'green' are present in both arrays and thus returned. Also notice that the values for
the keys 'blue' and 'green' differ between the two arrays. A match still occurs because only the keys are checked. The values returned are
those of $array1.
The two keys from the key => value pairs are considered equal only if (string) $key1 === (string) $key2 . In other words a strict type
check is executed so the string representation must be the same.
SEE ALSO array_diff(3), array_udiff(3), array_diff_assoc(3), array_diff_uassoc(3), array_udiff_assoc(3), array_udiff_uassoc(3), array_diff_key(3),
array_diff_ukey(3), array_intersect(3), array_intersect_assoc(3), array_intersect_uassoc(3), array_intersect_ukey(3).
PHP Documentation Group ARRAY_INTERSECT_KEY(3)