// Here’s our fruity array<br /> $fruits = [‘apple’, ‘pear’, ‘banana’];</p> <p>// Use it in an `if` statement<br /> if (array_key_exists(“banana”, $fruits)) {<br /> // Do stuff because `banana` exists<br /> }</p> <p>// Store it for later use<br /> $exists = array_key_exists(“peach”, $fruits);</p> <p>// Return it directly<br /> return array_key_exists(“pineapple”, $fruits);

// Here’s our data array<br /> $data = [’email’, ‘phone’, ‘name’];</p> <p>// Use it in an `if` statement<br /> if (array_key_exists(“email”, $data)) {<br /> // Do stuff because `email` exists<br /> }

if( in_array( “bla” ,$yourarray ) )<br /> {<br /> echo “has bla”;<br /> }