Annotation of embedaddon/php/ext/standard/tests/array/key_variation2.phpt, revision 1.1
1.1 ! misho 1: --TEST--
! 2: Test key() function : usage variations
! 3: --FILE--
! 4: <?php
! 5: /* Prototype : mixed key(array $array_arg)
! 6: * Description: Return the key of the element currently pointed to by the internal array pointer
! 7: * Source code: ext/standard/array.c
! 8: */
! 9:
! 10: /*
! 11: * Pass arrays where keys are different data types as $array_arg to key() to test behaviour
! 12: */
! 13:
! 14: echo "*** Testing key() : usage variations ***\n";
! 15:
! 16: //get an unset variable
! 17: $unset_var = 10;
! 18: unset ($unset_var);
! 19:
! 20: // heredoc string
! 21: $heredoc = <<<EOT
! 22: hello world
! 23: EOT;
! 24:
! 25: // unexpected values to be passed as $array_arg
! 26: $inputs = array(
! 27:
! 28: // int data
! 29: /*1*/ 'int' => array(
! 30: 0 => 'zero',
! 31: 1 => 'one',
! 32: 12345 => 'positive',
! 33: -2345 => 'negative',
! 34: ),
! 35:
! 36: // float data
! 37: /*2*/ 'float' => array(
! 38: 10.5 => 'positive',
! 39: -10.5 => 'negative',
! 40: .5 => 'half',
! 41: ),
! 42:
! 43: /*3*/ 'extreme floats' => array(
! 44: 12.3456789000e6 => 'large',
! 45: 12.3456789000E-10 => 'small',
! 46: ),
! 47:
! 48: // null data
! 49: /*4*/ 'null uppercase' => array(
! 50: NULL => 'null 1',
! 51: ),
! 52:
! 53: /*5*/ 'null lowercase' => array(
! 54: null => 'null 2',
! 55: ),
! 56:
! 57: // boolean data
! 58: /*6*/ 'bool lowercase' => array(
! 59: true => 'lowert',
! 60: false => 'lowerf',
! 61: ),
! 62:
! 63: /*7*/ 'bool uppercase' => array(
! 64: TRUE => 'uppert',
! 65: FALSE => 'upperf',
! 66: ),
! 67:
! 68: // empty data
! 69: /*8*/ 'empty double quotes' => array(
! 70: "" => 'emptyd',
! 71: ),
! 72:
! 73: /*9*/ 'empty single quotes' => array(
! 74: '' => 'emptys',
! 75: ),
! 76:
! 77: // string data
! 78: /*10*/ 'string' => array(
! 79: "stringd" => 'stringd',
! 80: 'strings' => 'strings',
! 81: $heredoc => 'stringh',
! 82: ),
! 83:
! 84: // undefined data
! 85: /*11*/ 'undefined' => array(
! 86: @$undefined_var => 'undefined',
! 87: ),
! 88:
! 89: // unset data
! 90: /*12*/ 'unset' => array(
! 91: @$unset_var => 'unset',
! 92: ),
! 93: );
! 94:
! 95: // loop through each element of $inputs to check the behavior of key()
! 96: $iterator = 1;
! 97: foreach($inputs as $key => $input) {
! 98: echo "\n-- Iteration $iterator : $key data --\n";
! 99: while (key($input) !== NULL) {
! 100: var_dump(key($input));
! 101: next($input);
! 102: }
! 103: $iterator++;
! 104: };
! 105: ?>
! 106: ===DONE===
! 107: --EXPECTF--
! 108: *** Testing key() : usage variations ***
! 109:
! 110: -- Iteration 1 : int data --
! 111: int(0)
! 112: int(1)
! 113: int(12345)
! 114: int(-2345)
! 115:
! 116: -- Iteration 2 : float data --
! 117: int(10)
! 118: int(-10)
! 119: int(0)
! 120:
! 121: -- Iteration 3 : extreme floats data --
! 122: int(12345678)
! 123: int(0)
! 124:
! 125: -- Iteration 4 : null uppercase data --
! 126: string(0) ""
! 127:
! 128: -- Iteration 5 : null lowercase data --
! 129: string(0) ""
! 130:
! 131: -- Iteration 6 : bool lowercase data --
! 132: int(1)
! 133: int(0)
! 134:
! 135: -- Iteration 7 : bool uppercase data --
! 136: int(1)
! 137: int(0)
! 138:
! 139: -- Iteration 8 : empty double quotes data --
! 140: string(0) ""
! 141:
! 142: -- Iteration 9 : empty single quotes data --
! 143: string(0) ""
! 144:
! 145: -- Iteration 10 : string data --
! 146: string(7) "stringd"
! 147: string(7) "strings"
! 148: string(11) "hello world"
! 149:
! 150: -- Iteration 11 : undefined data --
! 151: string(0) ""
! 152:
! 153: -- Iteration 12 : unset data --
! 154: string(0) ""
! 155: ===DONE===
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