10-30-2013
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Akshay Hegde's earlier response has been hidden. It is not appropriate for members of this forum to complete homework assignments for students. This forum is intended to help students find answers for themselves.
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10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
On my system I use Escape "k" to go back in commands. I read on tutorials that it is ctrl p, but that does not work on my system.
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Hi All,
I have done some looking at other threads but haven't found quite what I am looking for. I am a newbie to scripting and haven't got to where I want to you but here is my basic question. I have a script to copy a file and send it to another file with a date and time stamp. What I want to... (4 Replies)
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3. Shell Programming and Scripting
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4. UNIX for Dummies Questions & Answers
I have:
aa01
aa02
aa03
aa04
ab01
ab02
ab03
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aa01
aa01
aa01
aa01
aa01
aa02
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5. Shell Programming and Scripting
I have an task definition listing xml file that contains a list of tasks such as
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6. Shell Programming and Scripting
I'm trying to get a case statement to start over if an undefined option is selected... But I am ata loss on how to actually do it.
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I have a file like this
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8. Shell Programming and Scripting
How do i write a loop ping to see if it get timeout or hang ? it should loop every 30 second to ping a server ?
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9. Shell Programming and Scripting
Hey,
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if
...
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10. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
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LEARN ABOUT PHP
is_object
IS_OBJECT(3) 1 IS_OBJECT(3)
is_object - Finds whether a variable is an object
SYNOPSIS
bool is_object (mixed $var)
DESCRIPTION
Finds whether the given variable is an object.
PARAMETERS
o $var
- The variable being evaluated.
RETURN VALUES
Returns TRUE if $var is an object, FALSE otherwise.
EXAMPLES
Example #1
is_object(3) example
<?php
// Declare a simple function to return an
// array from our object
function get_students($obj)
{
if (!is_object($obj)) {
return false;
}
return $obj->students;
}
// Declare a new class instance and fill up
// some values
$obj = new stdClass();
$obj->students = array('Kalle', 'Ross', 'Felipe');
var_dump(get_students(null));
var_dump(get_students($obj));
?>
NOTES
Note
This function will return FALSE if used on an unserialized object where the class definition is not present (even though gettype(3)
returns object).
SEE ALSO
is_bool(3), is_int(3), is_float(3), is_string(3), is_array(3).
PHP Documentation Group IS_OBJECT(3)