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PHP Quiz PHP CertificatePHP array_search() Function
Complete PHP Array Reference
Definition and Usage
The array_search() function search an array for a value and returns the key.
Syntax
array_search(value,array,strict)
| Parameter | Description |
|---|---|
| value | Required. Specifies the value to search for |
| array | Required. Specifies the array to search in |
| strict | Optional. Possible values:
When set to true, the number 5 is not the same as the string 5 (See example 2) |
Example 1
<?php
$a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
echo array_search("Dog",$a);
?>
$a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");
echo array_search("Dog",$a);
?>
The output of the code above will be:
a
Example 2
<?php
$a=array("a"=>"5","b"=>5,"c"=>"5");
echo array_search(5,$a,true);
?>
$a=array("a"=>"5","b"=>5,"c"=>"5");
echo array_search(5,$a,true);
?>
The output of the code above will be:
b
Complete PHP Array Reference
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