Returns the sum of occurrences, in an array of a given condition satisfied

gistfile1.php

<?php
/**
 * Returns the sum of occurrences, in an array of a given condition satisfied
 * 
 * @param mixed $value The value or array to be evaluated
 * @param string $operator Operator of evaluation
 * @param string $conditional Conditional assignment
 * @return integer
 * @link https://gist.github.com/3100679
 * 
 * */
function countWhere($value = 1, $operator = '==', $conditional = 1)
{
    $array = is_array($value) ? $value : (array) $value;
    $operator = !in_array($operator, array('<', '>', '<=', '>=', '==', '!=')) ? '==' : $operator;

    $i = 0;
    foreach ($array as $current) {
        $match = null;

        eval('$match = (bool)("' . $current . '"' . $operator . '"' . $conditional . '");');

        $i = $match ? ++$i : $i;
    }

    return $i;
}