- substr_count: documentation ( source)
- explode: documentation ( source)
<?php
function substr_count_array( $haystack, $needle ) {
$count = 0;
foreach ($needle as $substring) {
$count += substr_count( $haystack, $substring);
}
return $count;
}
$str = 'The fox jumped over the table and ate a frog';
$search = 'fox ate frog';
echo substr_count_array($str, explode(' ', $search));