What is the equivalent of a byte array in PHP and how can it be manipulated?

In PHP, the equivalent of a byte array is a string. You can manipulate a string in PHP by accessing individual characters using square brackets and index numbers. To convert a string to a byte array, you can use the `str_split` function with a second argument of 1 to split the string into an array of single characters. 

// Example of manipulating a byte array in PHP
$string = "hello";
$byteArray = str_split($string, 1);

// Accessing and manipulating individual bytes
echo $byteArray[0]; // Output: h

// Modifying a byte
$byteArray[0] = 'H';
echo implode("", $byteArray); // Output: Hello

Keywords

byte array PHP manipulation functions data types

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