LeetCode/PHP/2315.php

<?php

class Solution {
    /**
     * @param String $s
     * @return Integer
     */
    function countAsterisks($s) {
        $in = false;
        $count = 0;
        foreach ( str_split($s) as $c ) {
            if ( $c == '|' ) { $in = !$in; }
            if ( $in == false && $c == '*' ) { ++$count; }
        }
        return $count;
    }
}

function main() {
    function r($s) {
        $S = new Solution;
        $t = $S->countAsterisks($s);
        echo "Solution().countAsterisks(\"$s\") = $t\n";
    }

    r("l|*e*et|c**o|*de|");
    r("iamprogrammer");
    r("yo|uar|e**|b|e***au|tifu|l");
}

main();