What is the process for determining the positions of the first and second occurrences of a string in PHP?

To determine the positions of the first and second occurrences of a string in PHP, you can use the strpos() function to find the position of the first occurrence, and then use the strpos() function again with an offset to find the position of the second occurrence. 

$string = "Hello, hello, world!";
$first_occurrence = strpos($string, "hello");
$second_occurrence = strpos($string, "hello", $first_occurrence + 1);

echo "Position of first occurrence: " . $first_occurrence . "<br>";
echo "Position of second occurrence: " . $second_occurrence;

Keywords

strpos strstr substr_count string manipulation PHP

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