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php Programming Exercies

PHP for loop Exercises: Count a specified characters in a string

PHP for loop: Exercise-7 with Solution

Write a program which will count the "r" characters in the text "w3resource".

Pictorial Presentation:

PHP for loop Exercises: Count a specified characters in a string

Sample Salution:

PHP Code:

<?php
$text="w3resource";
$search_char="r";
$count="0";
for($x="0"; $x< strlen($text); $x++)
  { 
    if(substr($text,$x,1)==$search_char)
    {
    $count=$count+1;
	 }
  }
echo $count."\n";
?>

Sample Output:

2

Flowchart:

Flowchart: Count a specified characters in a string

PHP Code Editor:

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Previous: Write a program which will give you all of the potential combinations of a two-digit decimal combination, printed in a comma delimited format.
Next: Write a PHP script that creates the specific table using for loops. Add cellpadding="3px" and cellspacing="0px" to the table tag.

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