PHP Classes

File: example/benchmarkReader

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File: example/benchmarkReader
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: CSV Component for PHP
Reader and writer for CSV files
Author: By
Last change:
Date: 6 years ago
Size: 1,954 bytes
 

Contents

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#!/usr/bin/env php <?php /** * @author stev leibelt <artodeto@bazzline.net> * @since 2015-06-24 */ require_once __DIR__ . '/../vendor/autoload.php'; $factory = new \Net\Bazzline\Component\Csv\Reader\ReaderFactory(); $reader = $factory->create(); try { $path = ($argc > 1) ? $argv[1] : __DIR__ . '/file/benchmark.csv'; if (!file_exists($path)) { throw new Exception('invalid file path provided: "' . $path . '"'); } $reader->setPath($path); $lineIterator = 0; $memoryUsageBeforeInMegabytes = (memory_get_usage(true) / 1048576); $memoryPeakUsageBeforeInMegabytes = (memory_get_peak_usage(true) / 1048576); $timeBeforeInSeconds = microtime(true); while ($line = $reader()) { ++$lineIterator; if (($lineIterator % 100) === 0) { echo '.'; } } echo PHP_EOL; $memoryUsageAfterInMegabytes = (memory_get_usage(true) / 1048576); $memoryPeakUsageAfterInMegabytes = (memory_get_peak_usage(true) / 1048576); $timeAfterInMicroSeconds = microtime(true); echo 'file path: ' . realpath($path) . PHP_EOL; echo 'number of lines read: ' . $lineIterator . PHP_EOL; echo 'runtime: ' . ceil($timeAfterInMicroSeconds - $timeBeforeInSeconds) . ' seconds' . PHP_EOL; echo 'memory usage' . PHP_EOL; echo ' before writing: ' . $memoryUsageBeforeInMegabytes . ' MB' . PHP_EOL; echo ' after writing: ' . $memoryUsageAfterInMegabytes . ' MB' . PHP_EOL; echo 'memory peak usage' . PHP_EOL; echo ' before writing: ' . $memoryPeakUsageBeforeInMegabytes . ' MB' . PHP_EOL; echo ' after writing: ' . $memoryPeakUsageAfterInMegabytes . ' MB' . PHP_EOL; } catch (Exception $exception) { echo 'usage: ' . basename(__FILE__) . ' [<path/to/csv>]' . PHP_EOL; echo '----------------' . PHP_EOL; echo $exception->getMessage() . PHP_EOL; return 1; }