- substr_count: documentation ( source)
- print_r: documentation ( source)
<?php
$str = 'óóómaóríaéé';
function substr_count_array( $haystack, $needle ) {
foreach ($needle as $substring) {
$count[$substring] += substr_count( $haystack, $substring);
}
return $count;
}
print_r(substr_count_array($str, array("á","é","í","ó")));