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autoload/class.Excel.php

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+<?php
+
+/**
+ * Simple excel writer class with no external dependencies, drop it in and have fun
+ * @author Matt Nowack
+ * @link https://gist.github.com/ihumanable/929039/edit
+ * @license Unlicensed
+ * @version 1.0
+ */
+class Excel {
+  private $col;
+  private $row;
+  private $data;
+  private $title;
+
+  /**
+   * Safely encode a string for use as a filename
+   * @param string $title The title to use for the file
+   * @return string The file safe title
+   */
+  static function filename($title) {
+    $result = strtolower(trim($title));
+    $result = str_replace("'", '', $result);
+    $result = preg_replace('#[^a-z0-9_]+#', '-', $result);
+    $result = preg_replace('#\-{2,}#', '-', $result);
+    return preg_replace('#(^\-+|\-+$)#D', '', $result);
+  }
+
+  /**
+   * Builds a new Excel Spreadsheet object
+   * @return Excel The Spreadsheet
+   */
+  function __construct($title) {
+    $this->title = $title;
+    $this->col = 0;
+    $this->row = 0;
+    $this->data = '';
+    $this->bofMarker();
+  }
+
+  /**
+   * Transmits the proper headers to cause a download to occur and to identify the file properly
+   * @return nothing
+   */
+  function headers() {
+    header("Content-Type: application/force-download");
+    header("Content-Type: application/octet-stream");
+    header("Content-Type: application/download");
+    header("Content-Disposition: attachment;filename=" . Excel::filename($this->title) . ".xls ");
+    header("Content-Transfer-Encoding: binary ");
+  }
+
+  function send_to_file( $loc )
+  {
+    $this->eofMarker();
+    file_put_contents($loc, $this->data);
+  }
+
+  function send() {
+    $this->eofMarker();
+    $this->headers();
+    echo $this->data;
+  }
+
+  /**
+   * Writes the Excel Beginning of File marker
+   * @see pack()
+   * @return nothing
+   */
+  private function bofMarker() {
+    $this->data .= pack("ssssss", 0x809, 0x8, 0x0, 0x10, 0x0, 0x0);
+  }
+
+  /**
+   * Writes the Excel End of File marker
+   * @see pack()
+   * @return nothing
+   */
+  private function eofMarker() {
+    $this->data .= pack("ss", 0x0A, 0x00);
+  }
+
+  /**
+   * Moves internal cursor left by the amount specified
+   * @param optional integer $amount The amount to move left by, defaults to 1
+   * @return integer The current column after the move
+   */
+  function left($amount = 1) {
+    $this->col -= $amount;
+    if($this->col < 0) {
+      $this->col = 0;
+    }
+    return $this->col;
+  }
+
+  /**
+   * Moves internal cursor right by the amount specified
+   * @param optional integer $amount The amount to move right by, defaults to 1
+   * @return integer The current column after the move
+   */
+  function right($amount = 1) {
+    $this->col += $amount;
+    return $this->col;
+  }
+
+  /**
+   * Moves internal cursor up by amount
+   * @param optional integer $amount The amount to move up by, defaults to 1
+   * @return integer The current row after the move
+   */
+  function up($amount = 1) {
+    $this->row -= $amount;
+    if($this->row < 0) {
+      $this->row = 0;
+    }
+    return $this->row;
+  }
+
+  /**
+   * Moves internal cursor down by amount
+   * @param optional integer $amount The amount to move down by, defaults to 1
+   * @return integer The current row after the move
+   */
+  function down($amount = 1) {
+    $this->row += $amount;
+    return $this->row;
+  }
+
+  /**
+   * Moves internal cursor to the top of the page, row = 0
+   * @return nothing
+   */
+  function top() {
+    $this->row = 0;
+  }
+
+  /**
+   * Moves internal cursor all the way left, col = 0
+   * @return nothing
+   */
+  function home() {
+    $this->col = 0;
+  }
+
+  /**
+   * Writes a number to the Excel Spreadsheet
+   * @see pack()
+   * @param integer $value The value to write out
+   * @return nothing
+   */
+  function number($value) {
+    $this->data .= pack("sssss", 0x203, 14, $this->row, $this->col, 0x0);
+    $this->data .= pack("d", $value);
+  }
+
+  /**
+   * Writes a string (or label) to the Excel Spreadsheet
+   * @see pack()
+   * @param string $value The value to write out
+   * @return nothing
+   */
+  function label($value) {
+    $length = strlen($value);
+    $this->data .= pack("ssssss", 0x204, 8 + $length, $this->row, $this->col, 0x0, $length);
+    $this->data .= $value;
+  }
+}