Reads a CSV, either local or remote, and outputs in HTML table and/or total of selected column.
Usage:
$jlv_csv->printTable();
$jlv_csv->printColumnTotal(2);
jlv-read-csv.php
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<?php /* Plugin Name: CSV Parser Plugin URI: https://abuyasmeen.com/parse-csv/ Description: Loads a CSV file and ouputs either a column total or a formatted html table. Version: 0.1 Author: Jeremy Varnham Author URI: https://abuyasmeen.com License: GPL2 */ define('JLV_PLUGIN_PATH', WP_PLUGIN_DIR.'/'. dirname( plugin_basename( __FILE__ ) )); require_once( JLV_PLUGIN_PATH . '/php/jlv-csv-functions.php' ); $jlv_csv = new CSVParser; /** * Set input */ $jlv_csv->setInputFile('https://dl.dropboxusercontent.com/u/3542031/Attendance_Data.csv'); $jlv_csv->setOutputStyle('bootstrap.min'); /** * Do output */ // $jlv_csv->printTable(); // echo '<br><b>Total Attendees: </b> '; // $jlv_csv->printColumnTotal(2); ?> |
jlv-csv-functions.php
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<?php /** * * Loads a CSV file and ouputs either a column total or a formatted html table. * */ ## =================== INITIATE =================== ## ## 1. Make new instance: // $sap_stats = new CSVParser; ## 2. Set source file (CSV) either local or remote (e.g. dropbox public folder or google spreadsheet) # e.g. $source_file = 'https://docs.google.com/spreadsheet/pub?key=0AuzaQN6Gty3IdFdqR3RJandpVDBaYWMzXzVnM2xHakE&single=true&gid=0&output=csv'; # e.g. $source_file = 'https://dl.dropboxusercontent.com/u/3542031/test.csv'; # if not specified, defaults to test.csv in assets folder // $sap_stats->setInputFile($source_file); ## 3. Set output style (CSS) - name of file without ".css" # e.g. "fancy", "bootstrap.min" # if not specified, defaults to "simple" // $sap_stats->setOutputStyle('bootstrap.min'); ## ============== AVAILABLE OUTPUTS ============== ## ## Total of specified column (first column = 1, second column = 2, etc) # Either prints : // $sap_stats->printColumnTotal(2); # or gets : // $sap_stats->getColumnTotal(2); ## Formatted HTML table of CSV data # Either prints: // $sap_stats->printTable(); # or gets : // $sap_stats->getTable(); ## ============ OTHER PUBLIC FUNCTIONS ============ ## ## printVars : prints the currently selected style and input file (for testing) // $sap_stats->printVars(); define('JLV_PLUGIN_PATH', WP_PLUGIN_DIR.'/'. dirname( plugin_basename( __FILE__ ) )); define('JLV_STYLE_PATH', JLV_PLUGIN_PATH.'/styles/'); define('JLV_ASSETS_PATH', JLV_PLUGIN_PATH.'/assets/'); Class CSVParser { /** * Set defaults */ private $input_file = 'test.csv'; private $css_style = 'simple'; private $the_error = ''; /** * Check for user overrides to defaults */ public function setInputFile($user_file) { $this->input_file = $user_file; } public function setOutputStyle($user_style) { $jlv_style_path = JLV_STYLE_PATH; if ($this->doesFileExist($jlv_style_path.$user_style.'.css', 'csv')) { $this->css_style = $user_style; } return; } /** * Public functions: Ouputs formatted table / total of one column. * either returns value (getX) or prints value (printX) */ public function printColumnTotal($column_number) { //$this->getHeader(); echo $this->readCSV($column_number); $this->getFooter(); } public function getColumnTotal($column_number) { $the_total = $this->readCSV($column_number); return $the_total; } public function printTable() { $this->getHeader(); echo $this->readCSV(0); //$this->getFooter(); } public function getTable() { $the_table = $this->readCSV(0); return $the_table; } /** * Inserts style into DOM */ public function getOutputStyle() { $selected_style = $this->style_path.$this->css_style.'.css'; $verified_style = $this->doesFileExist($selected_style, 'css'); $the_style = '<style type="text/css">'; $the_style .= @file_get_contents($selected_style); $the_style .= '</style>'; return $the_style; } public function printVars() { // for testing echo 'Current style is: ' . $this->css_style; echo '<br>'; echo 'Current file is: ' . $this->input_file; } private function getHeader() { echo '<html><head>'; print_r ($this->getOutputStyle()); echo '</head><body style="padding: 50px 100px; margin: 0px auto;"><h2>Student Advocacy Program</h2><br>'; } private function getFooter() { echo $this->the_error; echo '</body></html>'; } /** * Loads the CSV and returns either a total or a table */ private function readCSV($passed_column_number) { $passed_input_file = $this->input_file; if ($this->checkFileType($passed_input_file) == '') { // if it's not a URL, append the folder path $passed_input_file = $this->assets_path.$passed_input_file; } $verified_input_file = $this->doesFileExist($passed_input_file, 'csv'); // checks if csv file exists (other option "style" determines output) //$verified_input_file = $this->normalize($verified_input_file); if ($passed_column_number == 0) { $processed_csv = $this->buildTable($verified_input_file); // no column specified, then output table } else { $column = $passed_column_number - 1; $processed_csv = $this->calcTotal($verified_input_file, $column); // column specified, calc total } return $processed_csv; } /** * Checks if the specified file exists (CSV or CSS) */ private function doesFileExist($passed_input_file, $type) { ini_set('auto_detect_line_endings',TRUE); // Allows for CSV files saved from Mac or Windows $file = fopen($passed_input_file, "r"); if ( $file ) { return $file; } else { if ( $type == 'csv' ) { die('File does not exist'); } else { $this->the_error = '<small style="position: absolute; bottom: 0; background: #FFC; padding: 10px; border: 1px dotted red;"><i>Error: selected style not available</i></small>'; } } ini_set('auto_detect_line_endings',FALSE); // Reset to default } /** * Calculates total of specified column */ private function calcTotal($passed_handle, $passed_column_number) { while (($data = fgetcsv($passed_handle, 1000, ",")) !== FALSE) { $row++; $sumtotal = $sumtotal + $data[$passed_column_number]; } fclose($passed_handle); return $sumtotal; } /** * Parses loaded CSV data and outputs in html table format */ private function buildTable($passed_handle) { $the_table = '<table class="table table-striped table-hover"><thead>'; $counter = 0; $row = 0; while (($data = fgetcsv($passed_handle, 1000, ",")) !== FALSE) { $num = count($data); $the_table .= '<tr>'; for ($c=0; $c < $num; $c++) {$counter++; if ($row == 0) { $the_table .= '<th>'; } else { $the_table .= '<td>'; } $the_table .= $data[$c]; if ($row == 0) { $the_table .= '</th>'; } else { $the_table .= '</td>'; } } if ($counter <=1 ) { $the_table .= '</tr></thead><tbody>';} else { $the_table .= '</tr>'; } $row++; } $the_table .= '</tbody></table>'; fclose($passed_handle); return $the_table; } /** * Checks if the file is a URL (to see if the local assets path should be appended) */ private function checkFileType($the_file) { $file_type = substr( $the_file, 0, 4 ) === "http"; // if "file" is a URL, returns a 1 //echo $file_type; return $file_type; } } // End Class CSVParser ?> |
simple.css
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table { border: 1px solid red; } td { height: 15px; width: 350px; border: 1px dotted green; } |
Also uses bootstrap CSS.
