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1.1 misho 1: --TEST-- 2: Test prev() function : error conditions - Pass incorrect number of arguments 3: --FILE-- 4: <?php 5: /* Prototype : mixed prev(array $array_arg) 6: * Description: Move array argument's internal pointer to the previous element and return it 7: * Source code: ext/standard/array.c 8: */ 9: 10: /* 11: * Pass incorrect number of arguments to prev() to test behaviour 12: */ 13: 14: echo "*** Testing prev() : error conditions ***\n"; 15: 16: // Zero arguments 17: echo "\n-- Testing prev() function with Zero arguments --\n"; 18: var_dump( prev() ); 19: 20: //Test prev with one more than the expected number of arguments 21: echo "\n-- Testing prev() function with more than expected no. of arguments --\n"; 22: $array_arg = array(1, 2); 23: $extra_arg = 10; 24: var_dump( prev($array_arg, $extra_arg) ); 25: ?> 26: ===DONE=== 27: --EXPECTF-- 28: *** Testing prev() : error conditions *** 29: 30: -- Testing prev() function with Zero arguments -- 31: 32: Warning: prev() expects exactly 1 parameter, 0 given in %s on line %d 33: NULL 34: 35: -- Testing prev() function with more than expected no. of arguments -- 36: 37: Warning: prev() expects exactly 1 parameter, 2 given in %s on line %d 38: NULL 39: ===DONE===