How can you count a specific sequence of characters within a continuous text in PHP?

To count a specific sequence of characters within a continuous text in PHP, you can use the `substr_count()` function. This function takes two parameters - the text to search within and the sequence of characters to count. It returns the number of times the sequence appears in the text. 

$text = "This is a sample text with a specific sequence of characters to count.";
$sequence = "sequence";
$count = substr_count($text, $sequence);

echo "The sequence '$sequence' appears $count times in the text.";

Keywords

PHP string manipulation substr_count regular expressions text analysis

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