By: Kani in PHP Tutorials on 2012年04月05日 [フレーム]
Here is another simple example for - for loops. Thsi PHP code shows how to search for a particular character in a String and count the number of occurrences of that character in that string.
<?php
$text="Welcome to PHP";
$searchchar="e";
$count="0"; //zero
for($i="0"; $i<strlen($text); $i=$i+1){
if(substr($text,$i,1)==$searchchar){
$count=$count+1;
}
}
echo $count
?>
this will count how many times the character "e" occurs in that text (Welcome to PHP).
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