Program 1
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<?php
// Example of in_array function
// $myar=[5,2,20,10,'40',60,70];
// $n=40;
//echo in_array($n,$myar);
// if(in_array($n,$myar,true))
// echo "<font color=green size=5>Searching Success</font>";
// else
// echo "<font color=red size=5>Searching not success</font>"
// Example of array_search function
// $myar=[5,2,20,10,40,60,70];
// echo array_search(60,$myar);
// if(array_search(120,$myar)>=0)
// echo "<font color=green size=5>Searching Success</font>";
// else
// echo "<font color=red size=5>Searching not success</font>"
// Sorting of array
//$myar=[5,2,20,10,40,60,70];
// sort() asc
//rsort desc
// echo "<br>Before Sorting";
// for($i=0;$i<count($myar);$i++)
// {
// echo"<br>".$myar[$i];
// }
// //sort($myar);
//rsort($myar);
// echo "<br>After Sorting";
// for($i=0;$i<count($myar);$i++)
// {
// echo"<br>".$myar[$i];
// }
$myar=[5=>"Vishal",2=>"Ashok",4=>"Rahul",3=>"Kamal",1=>"Nilesh"];
echo "<br>Before sorting";
print_r($myar);
echo "<br>After sorting";
//asort($myar); // sorting according to value in asc
// arsort($myar); // sorting according to value in desc
// ksort($myar); // sorting according to key in asc
krsort($myar); // sorting according to key in desc
print_r($myar);
// Array
?>
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