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Slice And Dice - PHP

Need to manipulate XML document trees, but don't have the DOM extension compiled into your PHP build? Take a look at XMLTree, a PEAR class that allows you to create and manipulate XML document trees without requiring the PHP DOM extension.

  1. Building XML Trees With PHP
  2. A Hero Is Born
  3. Anatomy Class
  4. A La Carte
  5. Slice And Dice
  6. Killing Off The Kids
  7. Rank And File
  8. Spider, Spider On The Wall...
  9. Making Friends And Influencing People
  10. Doing The Chameleon
  11. Linking Out
By: icarus, (c) Melonfire
Rating: starstarstarstarstar / 27
February 20, 2003

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You can retrieve any segment of a dynamically-created document tree via the get() method, as in the following variant of the previous example:

<?php // include class include("XML/Tree.php"); // instantiate object $tree = new XML_Tree(); // add the root element $root =& $tree->addRoot("recipe"); // add children $name =& $root->addChild("name", "Chicken Tikka"); $author =& $root->addChild("author", "Anonymous"); $ingredients =& $root->addChild("ingredients"); $servings =& $root->addChild("servings", 3); $process =& $root->addChild("process"); // create array of ingredients $ingredientsArray = array( "Boneless chicken breasts, 2", "Chopped onions, 2", "Garlic, 1 tsp", "Ginger, 1 tsp", "Red chili powder, 1 tsp", "Lime juice, 2 tbsp", "Butter, 2 tbsp" ); // create array of steps to execute recipe $stepsArray = array( "Cut chicken into cubes, wash and apply lime juice and salt", "Add ginger, garlic, chili and lime juice in a separate bowl", "Mix well, and add chicken to marinate for 3-4 hours", "Place chicken pieces on skewers and barbeque", "Remove, apply butter, and barbeque again until meat is tender", "Garnish with lemon and chopped onions" ); // add ingredient list to tree foreach ($ingredientsArray as $i) { $item = $ingredients->addChild("item", $i); } // add execution steps to tree foreach ($stepsArray as $s) { $step = $process->addChild("step", $s); } // print ingredients only echo $ingredients->get(); ?>
In this case, the output of the script is the <ingredients> node only:

<ingredients> <item>Boneless chicken breasts, 2</item> <item>Chopped onions, 2</item> <item>Garlic, 1 tsp</item> <item>Ginger, 1 tsp</item> <item>Red chili powder, 1 tsp</item> <item>Lime juice, 2 tbsp</item> <item>Butter, 2 tbsp</item> </ingredients>

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