| Line # | Frequency | Source Line |
| 1 | | <?php |
| 2 | | /** |
| 3 | | * base include file for SimpleTest |
| 4 | | * @package SimpleTest |
| 5 | | * @version $Id: compatibility.php 1672 2008-03-02 04:47:34Z edwardzyang $ |
| 6 | | */ |
| 7 | | |
| 8 | | /** |
| 9 | | * Static methods for compatibility between different |
| 10 | | * PHP versions. |
| 11 | | * @package SimpleTest |
| 12 | | */ |
| 13 | | class SimpleTestCompatibility { |
| 14 | | |
| 15 | | /** |
| 16 | | * Creates a copy whether in PHP5 or PHP4. |
| 17 | | * @param object $object Thing to copy. |
| 18 | | * @return object A copy. |
| 19 | | * @access public |
| 20 | | * @static |
| 21 | | */ |
| 22 | | function copy($object) { |
| 23 | | if (version_compare(phpversion(), '5') >= 0) { |
| 24 | | eval('$copy = clone $object;'); |
| 25 | | return $copy; |
| 26 | | } |
| 27 | | return $object; |
| 28 | | } |
| 29 | | |
| 30 | | /** |
| 31 | | * Identity test. Drops back to equality + types for PHP5 |
| 32 | | * objects as the === operator counts as the |
| 33 | | * stronger reference constraint. |
| 34 | | * @param mixed $first Test subject. |
| 35 | | * @param mixed $second Comparison object. |
| 36 | | * @return boolean True if identical. |
| 37 | | * @access public |
| 38 | | * @static |
| 39 | | */ |
| 40 | | function isIdentical($first, $second) { |
| 41 | | if ($first != $second) { |
| 42 | | return false; |
| 43 | | } |
| 44 | | if (version_compare(phpversion(), '5') >= 0) { |
| 45 | | return SimpleTestCompatibility::_isIdenticalType($first, $second); |
| 46 | | } |
| 47 | | return ($first === $second); |
| 48 | | } |
| 49 | | |
| 50 | | /** |
| 51 | | * Recursive type test. |
| 52 | | * @param mixed $first Test subject. |
| 53 | | * @param mixed $second Comparison object. |
| 54 | | * @return boolean True if same type. |
| 55 | | * @access private |
| 56 | | * @static |
| 57 | | */ |
| 58 | | function _isIdenticalType($first, $second) { |
| 59 | | if (gettype($first) != gettype($second)) { |
| 60 | | return false; |
| 61 | | } |
| 62 | | if (is_object($first) && is_object($second)) { |
| 63 | | if (get_class($first) != get_class($second)) { |
| 64 | | return false; |
| 65 | | } |
| 66 | | return SimpleTestCompatibility::_isArrayOfIdenticalTypes( |
| 67 | | get_object_vars($first), |
| 68 | | get_object_vars($second)); |
| 69 | | } |
| 70 | | if (is_array($first) && is_array($second)) { |
| 71 | | return SimpleTestCompatibility::_isArrayOfIdenticalTypes($first, $second); |
| 72 | | } |
| 73 | | if ($first !== $second) { |
| 74 | | return false; |
| 75 | | } |
| 76 | | return true; |
| 77 | | } |
| 78 | | |
| 79 | | /** |
| 80 | | * Recursive type test for each element of an array. |
| 81 | | * @param mixed $first Test subject. |
| 82 | | * @param mixed $second Comparison object. |
| 83 | | * @return boolean True if identical. |
| 84 | | * @access private |
| 85 | | * @static |
| 86 | | */ |
| 87 | | function _isArrayOfIdenticalTypes($first, $second) { |
| 88 | | if (array_keys($first) != array_keys($second)) { |
| 89 | | return false; |
| 90 | | } |
| 91 | | foreach (array_keys($first) as $key) { |
| 92 | | $is_identical = SimpleTestCompatibility::_isIdenticalType( |
| 93 | | $first[$key], |
| 94 | | $second[$key]); |
| 95 | | if (! $is_identical) { |
| 96 | | return false; |
| 97 | | } |
| 98 | | } |
| 99 | | return true; |
| 100 | | } |
| 101 | | |
| 102 | | /** |
| 103 | | * Test for two variables being aliases. |
| 104 | | * @param mixed $first Test subject. |
| 105 | | * @param mixed $second Comparison object. |
| 106 | | * @return boolean True if same. |
| 107 | | * @access public |
| 108 | | * @static |
| 109 | | */ |
| 110 | | function isReference(&$first, &$second) { |
| 111 | | if (version_compare(phpversion(), '5', '>=') && is_object($first)) { |
| 112 | | return ($first === $second); |
| 113 | | } |
| 114 | | if (is_object($first) && is_object($second)) { |
| 115 | | $id = uniqid("test"); |
| 116 | | $first->$id = true; |
| 117 | | $is_ref = isset($second->$id); |
| 118 | | unset($first->$id); |
| 119 | | return $is_ref; |
| 120 | | } |
| 121 | | $temp = $first; |
| 122 | | $first = uniqid("test"); |
| 123 | | $is_ref = ($first === $second); |
| 124 | | $first = $temp; |
| 125 | | return $is_ref; |
| 126 | | } |
| 127 | | |
| 128 | | /** |
| 129 | | * Test to see if an object is a member of a |
| 130 | | * class hiearchy. |
| 131 | | * @param object $object Object to test. |
| 132 | | * @param string $class Root name of hiearchy. |
| 133 | | * @return boolean True if class in hiearchy. |
| 134 | | * @access public |
| 135 | | * @static |
| 136 | | */ |
| 137 | | function isA($object, $class) { |
| 138 | 1 | if (version_compare(phpversion(), '5') >= 0) { |
| 139 | 1 | if (! class_exists($class, false)) { |
| 140 | 1 | if (function_exists('interface_exists')) { |
| 141 | 1 | if (! interface_exists($class, false)) { |
| 142 | 1 | return false; |
| 143 | | } |
| 144 | | } |
| 145 | | } |
| 146 | | eval("\$is_a = \$object instanceof $class;"); |
| 147 | | return $is_a; |
| 148 | | } |
| 149 | | if (function_exists('is_a')) { |
| 150 | | return is_a($object, $class); |
| 151 | | } |
| 152 | | return ((strtolower($class) == get_class($object)) |
| 153 | | or (is_subclass_of($object, $class))); |
| 154 | | } |
| 155 | | |
| 156 | | /** |
| 157 | | * Sets a socket timeout for each chunk. |
| 158 | | * @param resource $handle Socket handle. |
| 159 | | * @param integer $timeout Limit in seconds. |
| 160 | | * @access public |
| 161 | | * @static |
| 162 | | */ |
| 163 | | function setTimeout($handle, $timeout) { |
| 164 | | if (function_exists('stream_set_timeout')) { |
| 165 | | stream_set_timeout($handle, $timeout, 0); |
| 166 | | } elseif (function_exists('socket_set_timeout')) { |
| 167 | | socket_set_timeout($handle, $timeout, 0); |
| 168 | | } elseif (function_exists('set_socket_timeout')) { |
| 169 | | set_socket_timeout($handle, $timeout, 0); |
| 170 | | } |
| 171 | | } |
| 172 | | } |
| 173 | | ? |