array splice

<?php

$courses = [“PHP”, “Laravel”, “React”, “NodeJS”];

// SYNTAX => array_splice(array, start, length, replacement);

array_splice($courses, 1, 2);
// Removes “Laravel” and “React”

print_r($courses);

echo “<br>”;
echo “Remove and Replace”;
echo “<br>”;

$courses_data = [“PHP”, “Laravel”, “React”];

array_splice($courses_data, 1, 1, “JavaScript”);
// Removes Laravel → adds JavaScript

print_r($courses_data);

?>