Return to array_rand_variation5.phpt CVS log | Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / ext / standard / tests / array |
1.1 misho 1: --TEST-- 2: Test array_rand() function : usage variation - invalid values for 'req_num' parameter 3: --FILE-- 4: <?php 5: /* Prototype : mixed array_rand(array $input [, int $num_req]) 6: * Description: Return key/keys for random entry/entries in the array 7: * Source code: ext/standard/array.c 8: */ 9: 10: /* 11: * Test behaviour of array_rand() function when associative array and 12: * various invalid values are passed to the 'input' and 'req_num' 13: * parameters respectively 14: */ 15: 16: echo "*** Testing array_rand() : with invalid values for 'req_num' ***\n"; 17: 18: // initialise associative arrays 19: $input = array( 20: 1 => 'one', 2.2 => 'float key', 0.9 => 'decimal key', 21: 2e2 => 'exp key1', 2000e-3 => 'negative exp key', 22: 0xabc => 2748, 0x12f => '303', 0xff => "255", 23: 0123 => 83, 0129 => 10, 010 => "8" 24: ); 25: 26: // Testing array_rand() function with various invalid 'req_num' values 27: // with valid num_req values 28: echo"\n-- With default num_req value --\n"; 29: var_dump( array_rand($input) ); // with default $num_req value 30: echo"\n-- With num_req = 1 --\n"; 31: var_dump( array_rand($input, 1) ); // with valid $num_req value 32: 33: // with invalid num_req value 34: echo"\n-- With num_req = 0 --\n"; 35: var_dump( array_rand($input, 0) ); // with $num_req=0 36: echo"\n-- With num_req = -1 --\n"; 37: var_dump( array_rand($input, -1) ); // with $num_req=-1 38: echo"\n-- With num_req = -2 --\n"; 39: var_dump( array_rand($input, -2) ); // with $num_req=-2 40: echo"\n-- With num_req more than number of members in 'input' array --\n"; 41: var_dump( array_rand($input, 13) ); // with $num_req=13 42: 43: 44: echo "Done"; 45: ?> 46: --EXPECTF-- 47: *** Testing array_rand() : with invalid values for 'req_num' *** 48: 49: -- With default num_req value -- 50: int(%d) 51: 52: -- With num_req = 1 -- 53: int(%d) 54: 55: -- With num_req = 0 -- 56: 57: Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d 58: NULL 59: 60: -- With num_req = -1 -- 61: 62: Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d 63: NULL 64: 65: -- With num_req = -2 -- 66: 67: Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d 68: NULL 69: 70: -- With num_req more than number of members in 'input' array -- 71: 72: Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d 73: NULL 74: Done 75: