PHP 8 Programming Tips, Tricks, and Best Practices/

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Solution: Manipulating the String and Array with Advanced Methods

Solution: Manipulating the String and Array with Advanced Methods

A detailed review of the solutions to the challenge involving string and array operations, such as concatenating, comparing, and printing etc., using updated techniques in PHP 8.

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The code widget below contains the solution to the challenge. We will also go through a step-by-step explanation of the solution.

Solution to Task 1

In this task, we add the given strings and numeric values, then print them to the console using new string handling methods introduced in PHP 8. Also, compare the string and numeric value and display the result using the nested ternary operator and display the output result.

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<?php
// Addition of String and numeric
$numString = "   10";
$numInt = 10;
$patt = "%d + '%-s' : %3d\n";
$num = $numInt + $numString;
printf($patt, $numInt, $numString, $num);
echo "\n";
// String to numeric comparison
echo ($numString == $numInt) ? "String and integer are equal.\n" : "String and integer are not equal.\n";
echo "\n";
?>

Let’s get into the code.

  • Lines 3–9: String-to-numeric addition:

    • We initialize the string ( ...