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1.1 misho 1: --TEST-- 2: Test log() function : usage variations - different data types as $base argument 3: --FILE-- 4: <?php 5: /* Prototype : float log ( float $arg [, float $base ] ) 6: * Description: Natural logarithm. 7: * Source code: ext/standard/math.c 8: */ 9: 10: echo "*** Testing log() : usage variations ***\n"; 11: 12: //get an unset variable 13: $unset_var = 10; 14: unset ($unset_var); 15: 16: // heredoc string 17: $heredoc = <<<EOT 18: abc 19: xyz 20: EOT; 21: 22: // get a class 23: class classA 24: { 25: } 26: 27: // get a resource variable 28: $fp = fopen(__FILE__, "r"); 29: 30: $inputs = array( 31: // int data 32: /*1*/ 0, 33: 1, 34: 12345, 35: -2345, 36: 2147483647, 37: 38: // float data 39: /*6*/ 10.5, 40: -10.5, 41: 12.3456789000e10, 42: 12.3456789000E-10, 43: .5, 44: 45: // null data 46: /*11*/ NULL, 47: null, 48: 49: // boolean data 50: /*13*/ true, 51: false, 52: TRUE, 53: FALSE, 54: 55: // empty data 56: /*17*/ "", 57: '', 58: array(), 59: 60: // string data 61: /*20*/ "abcxyz", 62: 'abcxyz', 63: $heredoc, 64: 65: // object data 66: /*23*/ new classA(), 67: 68: // undefined data 69: /*24*/ @$undefined_var, 70: 71: // unset data 72: /*25*/ @$unset_var, 73: 74: // resource variable 75: /*26*/ $fp 76: ); 77: 78: // loop through each element of $inputs to check the behaviour of log() 79: $iterator = 1; 80: foreach($inputs as $input) { 81: echo "\n-- Iteration $iterator --\n"; 82: var_dump(log(3.14, $input)); 83: $iterator++; 84: }; 85: fclose($fp); 86: ?> 87: ===Done=== 88: --EXPECTF-- 89: *** Testing log() : usage variations *** 90: 91: -- Iteration 1 -- 92: 93: Warning: log(): base must be greater than 0 in %s on line %d 94: bool(false) 95: 96: -- Iteration 2 -- 97: float(NAN) 98: 99: -- Iteration 3 -- 100: float(0.12145441273706) 101: 102: -- Iteration 4 -- 103: 104: Warning: log(): base must be greater than 0 in %s on line %d 105: bool(false) 106: 107: -- Iteration 5 -- 108: float(0.053250469650086) 109: 110: -- Iteration 6 -- 111: float(0.48661854224853) 112: 113: -- Iteration 7 -- 114: 115: Warning: log(): base must be greater than 0 in %s on line %d 116: bool(false) 117: 118: -- Iteration 8 -- 119: float(0.044802684673473) 120: 121: -- Iteration 9 -- 122: float(-0.055781611216686) 123: 124: -- Iteration 10 -- 125: float(-1.6507645591169) 126: 127: -- Iteration 11 -- 128: 129: Warning: log(): base must be greater than 0 in %s on line %d 130: bool(false) 131: 132: -- Iteration 12 -- 133: 134: Warning: log(): base must be greater than 0 in %s on line %d 135: bool(false) 136: 137: -- Iteration 13 -- 138: float(NAN) 139: 140: -- Iteration 14 -- 141: 142: Warning: log(): base must be greater than 0 in %s on line %d 143: bool(false) 144: 145: -- Iteration 15 -- 146: float(NAN) 147: 148: -- Iteration 16 -- 149: 150: Warning: log(): base must be greater than 0 in %s on line %d 151: bool(false) 152: 153: -- Iteration 17 -- 154: 155: Warning: log() expects parameter 2 to be double, string given in %s on line %d 156: NULL 157: 158: -- Iteration 18 -- 159: 160: Warning: log() expects parameter 2 to be double, string given in %s on line %d 161: NULL 162: 163: -- Iteration 19 -- 164: 165: Warning: log() expects parameter 2 to be double, array given in %s on line %d 166: NULL 167: 168: -- Iteration 20 -- 169: 170: Warning: log() expects parameter 2 to be double, string given in %s on line %d 171: NULL 172: 173: -- Iteration 21 -- 174: 175: Warning: log() expects parameter 2 to be double, string given in %s on line %d 176: NULL 177: 178: -- Iteration 22 -- 179: 180: Warning: log() expects parameter 2 to be double, string given in %s on line %d 181: NULL 182: 183: -- Iteration 23 -- 184: 185: Warning: log() expects parameter 2 to be double, object given in %s on line %d 186: NULL 187: 188: -- Iteration 24 -- 189: 190: Warning: log(): base must be greater than 0 in %s on line %d 191: bool(false) 192: 193: -- Iteration 25 -- 194: 195: Warning: log(): base must be greater than 0 in %s on line %d 196: bool(false) 197: 198: -- Iteration 26 -- 199: 200: Warning: log() expects parameter 2 to be double, resource given in %s on line %d 201: NULL 202: ===Done===