1--TEST-- 2Test sizeof() function : error conditions 3--FILE-- 4<?php 5/* Prototype : int sizeof(mixed $var[, int $mode] ) 6 * Description: Counts an elements in an array. If Standard PHP Library is installed, 7 * it will return the properties of an object. 8 * Source code: ext/standard/basic_functions.c 9 * Alias to functions: count() 10 */ 11 12// Calling sizeof() with zero and more than expected arguments . 13 14echo "*** Testing sizeof() : error conditions ***\n"; 15 16echo "-- Testing sizeof() with zero arguments --\n"; 17var_dump( sizeof() ); 18echo "-- Testing sizeof() function with more than two arguments under COUNT_NORMAL mode --\n"; 19$var = 100; 20$extra_arg = 10;; 21var_dump( sizeof($var, COUNT_NORMAL, $extra_arg) ); 22echo "-- Testing sizeof() function with more than two arguments under COUNT_RECURSIVE mode --\n"; 23var_dump( sizeof($var, COUNT_RECURSIVE, $extra_arg) ); 24 25echo "Done"; 26?> 27--EXPECTF-- 28*** Testing sizeof() : error conditions *** 29-- Testing sizeof() with zero arguments -- 30 31Warning: sizeof() expects at least 1 parameter, 0 given in %s on line %d 32NULL 33-- Testing sizeof() function with more than two arguments under COUNT_NORMAL mode -- 34 35Warning: sizeof() expects at most 2 parameters, 3 given in %s on line %d 36NULL 37-- Testing sizeof() function with more than two arguments under COUNT_RECURSIVE mode -- 38 39Warning: sizeof() expects at most 2 parameters, 3 given in %s on line %d 40NULL 41Done 42