how to read from temp files php

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2To get the underlying file path of a tmpfile file pointer:
3
4<?php
5$file = tmpfile();
6$path = stream_get_meta_data($file)['uri']; // eg: /tmp/phpFx0513a
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8

1<?php$dir = sys_get_temp_dir();$tmp = tempnam($dir, "foo");file_put_contents($tmp, "hello");$f = fopen($tmp, "a");fwrite($f, " world");fclose($f);echo file_get_contents($tmp);