PHP/File Directory/file put contents

Changing a file in place

   <source lang="html4strict">

<?php $contents = file_get_contents("pickles.txt"); $contents = strtoupper($contents); file_put_contents("pickles.txt", $contents); ?>

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Checking for an error from file_put_contents()

   <source lang="html4strict">

<? $zip = 10040; $weather_page = file_get_contents("http://www.demo.ru/z.php?inputstring=" . $zip); if ($weather_page === false) {

   print "Couldn"t get weather for $zip";

} else {

   $page = strstr($weather_page,"AAA");
   $table_start = strpos($page, "<table");
   $table_end  = strpos($page, "</table>") + 8;
   $forecast = substr($page, $table_start, $table_end - $table_start);
   print $forecast;
   $saved_file = file_put_contents("weather-$zip.txt", $matches[1]);
   if (($saved_file === false) || ($saved_file == -1)) {
       print "Couldn"t save weather to weather-$zip.txt";
   }

} ?>

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Saving a file with file_put_contents()

   <source lang="html4strict">

$zip = 98052; $weather_page = file_get_contents("http://www.demo.ru/z.php?inputstring=" . $zip); $page = strstr($weather_page,"Detailed Forecast"); $table_start = strpos($page, "<table"); $table_end = strpos($page, "</table>") + 8; $forecast = substr($page, $table_start, $table_end - $table_start); print $forecast; file_put_contents("weather-$zip.txt", $forecast);

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