How does the str_replace function differ from the array flip function in PHP?

The `str_replace` function is used to replace occurrences of a substring in a string with another substring. On the other hand, the `array_flip` function is used to exchange the keys with their associated values in an array. These functions serve different purposes and operate on different data types - `str_replace` on strings and `array_flip` on arrays. 

// Example of using str_replace function
$string = "Hello, World!";
$new_string = str_replace("Hello", "Hi", $string);
echo $new_string; // Output: Hi, World!

// Example of using array_flip function
$array = array("a" => 1, "b" => 2, "c" => 3);
$flipped_array = array_flip($array);
print_r($flipped_array); // Output: Array ( [1] => a [2] => b [3] => c )

Keywords

str_replace array flip PHP function difference

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