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How can I check if a value is already in an array?
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Answer / mohammed khalid khan
The first answer is not complete.
&
The second answer is correct.
<?php
$values = array("banana","apple","pear","banana");
if (in_array("pear",$values))
{
echo "Got pear";
}
?>
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / jude jeevanraj.p
If you wish to check whether a value is already stored in
an array or not, then use the in_array function.
This is useful when you don't want any duplicates in the
array and therefore only want to add a value if it's not
already there. The first argument is the string you are
testing for and the second is the array you are checking
against.
Here is an example of in_array in action:
<?php
$values = array("banana","apple","pear","banana");
$newvalue = "pear";
if (in_array
| Is This Answer Correct ? | 7 Yes | 2 No |
Answer / deep
The above answer is correct. I will just add a complete
example.
<?php
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os))
{
echo "Got Irix";
}
if (in_array("mac", $os))
{
echo "Got mac";
}
?>
| Is This Answer Correct ? | 7 Yes | 2 No |
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