1--TEST-- 2Test count() function : usage variations - Infinitely recursive array 3--FILE-- 4<?php 5/* Prototype : int count(mixed $var [, int $mode]) 6 * Description: Count the number of elements in a variable (usually an array) 7 * Source code: ext/standard/array.c 8 */ 9 10/* 11 * Pass count() an infinitely recursive array as $var argument 12 * This will stop the script before it reaches the end. 13 */ 14 15echo "*** Testing count() : usage variations ***\n"; 16 17$array1 = array (1, 2, 'three'); 18// get an infinitely recursive array 19$array1[] = &$array1; 20 21echo "\n-- \$mode not set: --\n"; 22var_dump(count ($array1)); 23 24echo "\n-- \$mode = 1: --\n"; 25var_dump(count ($array1, 1)); 26 27echo "Done"; 28?> 29--EXPECTF-- 30*** Testing count() : usage variations *** 31 32-- $mode not set: -- 33int(4) 34 35-- $mode = 1: -- 36 37Warning: count(): recursion detected in %s on line %d 38int(4) 39Done 40