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(PHP Extension) Demonstrate the XML I, J, and K PropertiesDemonstrates the XML I, J, and K properties. These properties can be used in paths to access the I'th, J'th, or K'th child in a path. Three indexing properties are provided to allow for triple-nested loops using this feature. Note: This example requires Chilkat v9.5.0.64 or later.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // Note: This example requires Chilkat v9.5.0.64 or later. $xml = new CkXml(); $xml->put_Tag('tripleNested'); $i = 0; $j = 0; $k = 0; $sbValue = new CkStringBuilder(); $bAutoCreate = true; while ($i < 3) { $xml->put_I($i); $j = 0; while ($j < 4) { $xml->put_J($j); $k = 0; while ($k < 2) { $xml->put_K($k); $n = $i * 100 + $j * 10 + $k; $sbValue->Clear(); $sbValue->AppendInt($n); $xml->UpdateAt('a[i]|b[j]|c[k]',$bAutoCreate,$sbValue->getAsString()); $k = $k + 1; } $j = $j + 1; } $i = $i + 1; } print $xml->getXml() . "\n"; // This is the XML // See below for code showing how to parse it.. // <?xml version="1.0" encoding="utf-8" ?> // <tripleNested> // <a> // <b> // <c>0</c> // <c>1</c> // </b> // <b> // <c>10</c> // <c>11</c> // </b> // <b> // <c>20</c> // <c>21</c> // </b> // <b> // <c>30</c> // <c>31</c> // </b> // </a> // <a> // <b> // <c>100</c> // <c>101</c> // </b> // <b> // <c>110</c> // <c>111</c> // </b> // <b> // <c>120</c> // <c>121</c> // </b> // <b> // <c>130</c> // <c>131</c> // </b> // </a> // <a> // <b> // <c>200</c> // <c>201</c> // </b> // <b> // <c>210</c> // <c>211</c> // </b> // <b> // <c>220</c> // <c>221</c> // </b> // <b> // <c>230</c> // <c>231</c> // </b> // </a> // </tripleNested> // // Parse the XML, without needing to know the number of children. // That can be discovered with the NumChildrenAt method. $i = 0; $aCount = $xml->get_NumChildren(); while ($i < $aCount) { $xml->put_I($i); $j = 0; $bCount = $xml->NumChildrenAt('a[i]'); while ($j < $bCount) { $xml->put_J($j); $k = 0; $cCount = $xml->NumChildrenAt('a[i]|b[j]'); while ($k < $cCount) { $xml->put_K($k); print $i . ', ' . $j . ', ' . $k . ': ' . $xml->GetChildIntValue('a[i]|b[j]|c[k]') . "\n"; $k = $k + 1; } $j = $j + 1; } $i = $i + 1; } // Output: // 0, 0, 0: 0 // 0, 0, 1: 1 // 0, 1, 0: 10 // 0, 1, 1: 11 // 0, 2, 0: 20 // 0, 2, 1: 21 // 0, 3, 0: 30 // 0, 3, 1: 31 // 1, 0, 0: 100 // 1, 0, 1: 101 // 1, 1, 0: 110 // 1, 1, 1: 111 // 1, 2, 0: 120 // 1, 2, 1: 121 // 1, 3, 0: 130 // 1, 3, 1: 131 // 2, 0, 0: 200 // 2, 0, 1: 201 // 2, 1, 0: 210 // 2, 1, 1: 211 // 2, 2, 0: 220 // 2, 2, 1: 221 // 2, 3, 0: 230 // 2, 3, 1: 231 // ?> |
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