Answers for "in array php]"

in_array php

<?php
$os = array("Mac", "NT", "Irix", "Linux");
if (in_array("Irix", $os)) {
    echo "Existe Irix";
}
if (in_array("mac", $os)) {
    echo "Existe mac";
}
?>

what is use of in_array() function in php

The in_array() function is an inbuilt function in PHP. 
The in_array() function is used to check whether a given value exists in an array or not.
It returns TRUE if the given value is found in the given array, and FALSE otherwise.

  <?php
  
$people = array("Peter", "Joe", "Glenn", "Cleveland");

if (in_array("Glenn", $people))
  {
  echo "Match found";
  }
else
  {
  echo "Match not found";
  }

?>