PHP Exercises: Replace a string "Python" with "PHP" and "Python" with "PHP" in a given string
PHP: Exercise-63 with Solution
Write a PHP program to replace a string "Python" with "PHP" and "Python" with " PHP" in a given string.
Input: English letters (including single byte alphanumeric characters, blanks, symbols) are given on one line. The length of the input character string is 1000 or less.
Pictorial Presentation:

Sample Solution: -
PHP Code:
<?php
$str = trim(fgets(STDIN));
$str = str_replace(array('Python', 'PHP'), array('@ython', 'Python'), $str);
echo str_replace('@ython', 'PHP', $str), PHP_EOL;
?>
Sample Input:
PHP is popular than Python
Sample Output:
Python is popular than PHP.
Flowchart:

PHP Code Editor:
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Previous: Write a PHP program which reads the two adjoined sides and the diagonal of a parallelogram and check whether the parallelogram is a rectangle or a rhombus.
Next: Write a PHP program to find the difference between the largest integer and the smallest integer which are created by 8 numbers from 0 to 9. The number that can be rearranged shall start with 0 as in 00135668.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
PHP: Tips of the Day
Mutates the original array to filter out the values specified
Example:
<?php function tips_pull(&$items, ...$params) { $items = array_values(array_diff($items, $params)); return $items; } $items = ['x', 'y', 'z', 'x', 'y', 'z']; print_r(tips_pull($items, 'y', 'z')); ?>
Output:
Array ( [0] => x [1] => x )
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