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- <?php
- $fp = fopen("/tmp/temp.rock", "a+");
- fwrite($fp, "This is the contents");
- echo "Time taken to calculate the size by filesize function: ";
- $t = microtime(true);
- $ts1 = filesize("/tmp/temp.rock") . "\n";
- echo microtime(true) - $t . "\n";
- echo "Time taken to calculate the size by fstat function:";
- $t = microtime(true);
- $ts1 = fstat($fp) . "\n";
- $size = $ts1["size"];
- echo microtime(true) - $t . "\n";
- echo "Time taken to calculate the size by fseek and ftell function: ";
- $t = microtime(true);
- fseek($fp, 0, SEEK_END);
- $ts2 = ftell($fp) . "\n";
- echo microtime(true) - $t . "\n";
- fclose($fp);
- /**
- OUTPUT:
- Time taken to calculate the size by filesize function: 2.4080276489258E-5
- Time taken to calculate the size by fstat function: 2.9802322387695E-5
- Time taken to calculate the size by fseek and ftell function: 1.2874603271484E-5
- */
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