Posted By
Bajarangi soft ,
Posted On 21-09-2020
Syntax for array_keys() Function
array_keys(array, value, strict)
Parameter Description
array Specifies an input array
value You can specify a value, then only the keys with this value are returned
strict Used with the value parameter. Possible values:
true - Returns the keys with the specified value.
false - Default value. Not depending on type.
Example(1)
$a=array("Kiran"=>"Mechanical engineering","Shiva"=>"Electrical ITI","Rajesh"=>"Computer Science");
print_r(array_keys($a));
function get_Key($array) //using function
{
$result = array_keys($array);
return($result);
}
$array = array("one" => "Kiran", "two" => "Shiva", "three" => "Rajesh");
print_r(get_Key($array));
foreach (get_Key($array) as $key){
echo "<h1>$key</h1>";
}
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<h1>PHP array_key() function </h1>
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<?php
$a=array("Kiran"=>"Mechanical engineering","Shiva"=>"Electrical ITI","Rajesh"=>"Computer Science");
print_r(array_keys($a));
function get_Key($array)//using function
{
$result = array_keys($array);
return($result);
}
$array = array("one" => "Kiran", "two" => "Shiva", "three" => "Rajesh");
print_r(get_Key($array));
foreach (get_Key($array) as $key){
echo "<h1>$key</h1>";
}
?>
</div>
<br>
</div>
</body>
</html>