APC_EXISTS(3) 1 APC_EXISTS(3)apc_exists - Checks if APC key existsSYNOPSIS
mixed apc_exists (mixed $keys)
DESCRIPTION
Checks if one or more APC keys exist.
PARAMETERS
o $keys
- A string, or an array of strings, that contain keys.
RETURN VALUES
Returns TRUE if the key exists, otherwise FALSE Or if an array was passed to $keys, then an array is returned that contains all existing
keys, or an empty array if none exist.
EXAMPLES
Example #1
apc_exists(3) example
<?php
$fruit = 'apple';
$veggie = 'carrot';
apc_store('foo', $fruit);
apc_store('bar', $veggie);
if (apc_exists('foo')) {
echo "Foo exists: ";
echo apc_fetch('foo');
} else {
echo "Foo does not exist";
}
echo PHP_EOL;
if (apc_exists('baz')) {
echo "Baz exists.";
} else {
echo "Baz does not exist";
}
echo PHP_EOL;
$ret = apc_exists(array('foo', 'donotexist', 'bar'));
var_dump($ret);
?>
The above example will output something similar to:
Foo exists: apple
Baz does not exist
array(2) {
["foo"]=>
bool(true)
["bar"]=>
bool(true)
}
SEE ALSO apc_cache_info(3), apc_fetch(3).
PHP Documentation Group APC_EXISTS(3)
Check Out this Related Man Page
APC_DEC(3) 1 APC_DEC(3)apc_dec - Decrease a stored numberSYNOPSIS
int apc_dec (string $key, [int $step = 1], [bool &$success])
DESCRIPTION
Decreases a stored integer value.
PARAMETERS
o $key
- The key of the value being decreased.
o $step
- The step, or value to decrease.
o $success
- Optionally pass the success or fail boolean value to this referenced variable.
RETURN VALUES
Returns the current value of $key's value on success, or FALSE on failure
EXAMPLES
Example #1
apc_dec(3) example
<?php
echo "Let's do something with success", PHP_EOL;
apc_store('anumber', 42);
echo apc_fetch('anumber'), PHP_EOL;
echo apc_dec('anumber'), PHP_EOL;
echo apc_dec('anumber', 10), PHP_EOL;
echo apc_dec('anumber', 10, $success), PHP_EOL;
var_dump($success);
echo "Now, let's fail", PHP_EOL, PHP_EOL;
apc_store('astring', 'foo');
$ret = apc_dec('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
The above example will output something similar to:
Let's do something with success
42
41
31
21
bool(true)
Now, let's fail
bool(false)
bool(false)
SEE ALSO apc_inc(3).
PHP Documentation Group APC_DEC(3)
hello,
How to search a Word in a shell file and if that exists echo that the word exists and stop that operation and if that doesn't exists then echo word not found.
Thanks in advance.
Bye (4 Replies)
I've got a script with this snippet:
if
then
I know that the -s indicates that the file exists and is not empty. How can I specify that the file exists, but is empty? I thought I could do:
if ]
then
But this generates a "else unmatched" error on the else that follows. (5 Replies)
#!/bin/sh
read a
if ; then
echo "ur good";
else
echo "ur bad"
exit
fi
I am getting the following error!
/home/xyz/scripts >help.sh
apple
help.sh: [apple: not found.
ur bad
can i know what would be the wrong in my script (3 Replies)
Hi, I have a small question about the value cannot display correctly:
MSG=log
fruit=apple
print "No $fruit in the store" > "$MSG/fruit_message.txt"
output: No $fruit in the store
should be: No apple in the store
AND
$MSG/fruit_message.txt ----------> cannot find the... (5 Replies)
Hi,
I wish to store $string1 in $string1array a character in each array element.
Then i wish to echo the entire array to the screen so that it reads as the normal string again.
I have been trying with the code below but does not work. Please help...
To put string into array:
... (5 Replies)
Hi
This will be useful who is looking for checking the files in a directory
#chmod 777 /cronacle/tools/teradata/opo/bin/file_check.sh
SUBJECT=`echo "File Not Found"`
SUBJECT1=`echo "File Found"`
#RECIPIENT=Madhu.Reddy@ge.com
cd /cronacle/tools/teradata/opo/bin
file_list=attach.sh
if
... (3 Replies)
HI ,
I have a very small requirement here. I need to find a file say which ends with .gz in a folder. If i found this file then i need to echo" file found" and do a word count of the file and if not i need to echo file not found and exit from the loop. i have written this script but i am only... (7 Replies)
Hi All,
I am pasting my code below
if # e means file exists
then
echo OFR_Configlist exists >> OFR_Backup_Configfiles.log
else
echo OFR_Configlist Not exists >> OFR_Backup_Configfiles.log
exit
fi
How can i show the echo message in console also at the same time?
I dont want to write... (3 Replies)
Hi...
i need a script to remove the space before and after the operator like( +, -, ||, &&).
Ex :
Input file
apple + manago
mango && fresh + apple fresh || fruit
Desired output:
apple+manago
mango&&fresh+apple fresh||fruit (6 Replies)
hi i have 2 questions:
1. how can i check if file exist in vi?
i tryed to do:
if ; then
echo file exist
but i get from the compiler
if: Expression Syntax.
2. how can i create file in vi?
when im using cat - so the script stop and wait for me to write somthing into the new file
when im... (2 Replies)
I have a array as
CArray=( a1 a2 )
and a1,a2,a3 are also array as:
a1=(1 2 3)
a2=(3 4 5)
now I have this in my code:
for i in `echo "${CArray}"`
do
echo ${$i}
done
It is giving error as :"bad substitution"
It should give me value as
1 2 3
3 4 5
how can I get this...Can u please... (2 Replies)
Hi,
I am trying to write a script which checks if any file exists with "*.log" or "*.out" in Directory
below is the code
#------------------
path=/abd/xyz/
if ; then
echo "Good"
else
echo "Failure"
fi
#--------------------------
its always going to else part and printing... (8 Replies)
I need to check if an entry input by the user is in a file. If so, I need to run a command, and if it does not exist then it should output entry does not exist.
So I have so far...
echo "Enter record:"
read record
//command || //command
Can I use an if statement to do this? (3 Replies)
Hi,
I have 2 files as seen below.
File 1:
apple#fruit
carrot#vege
orange#fruitFile 2:
#list of fruits
fruitlist
:
apple#fruit
grape#fruit
orange#fruit
finish (3 Replies)
Hi,
Let's say I have a control file like this:
RHEL apple "echo apple"
RHEL bravo "ls -l bravo*"
RHEL church "chmod church.txt"
SUSE drive "chown user1 drive.txt"
SUSE eagle "echo "eagle flies""
SUSE feather "ls -l feather*"
HP-UX google "sed 's/^Google.*$/&\
ACTION: go to... (14 Replies)