<?php class test { public static $callCounters = []; public function call($index) { if (!isset(self::callCounters[$index])) { self::callCounters[$index] = 0; } ++self::callCounters[$index]; } }; $x = new test(); $indexes = range('a','e'); foreach($indexes as $index) { for($i = 0; $i <= 2; ++$i) { $x->call($index); } } var_dump(test::callCounters);
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