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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
PHP fread - truncated data

Note that PHP's fread function returns the number of bytes you request as the second parameter ...OR the number of remaining bytes if it's less than the number you give ... or 8192 bytes, even if there's more than that available and you've requested more.

I got caught out by this one earlier today ... felt that it was useful (re)minder to post it up here.

If you need to read more that 8k into a variable:

while ($info = fread($fh,8192)) {
$fullstuff .= $info;
}

(written 2007-02-27, updated 2007-02-28)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
H109 - PHP - Input / Output
  [114] Relative or absolute milkman - (2004-11-10)
  [616] printf - a flawed but useful function - (2006-02-22)
  [653] Easy feed! - (2006-03-21)
  [709] Handling huge data files in PHP - (2006-05-04)
  [997] Most recent file in a directory - PHP - (2006-12-18)
  [1096] Sample script - FTP to get a file from within PHP - (2007-03-01)
  [1113] File and URL reading in PHP - (2007-03-20)
  [1442] Reading a file multiple times - file pointers - (2007-11-23)
  [1780] Server overloading - turns out to be feof in PHP - (2008-09-01)
  [2964] An introduction to file handling in programs - buffering, standard in and out, and file handles - (2010-09-21)
  [3029] PHP data sources - other web servers, large data flows, and the client (browser) - (2010-11-04)
  [3159] Returning multiple values from a function call in various languages - a comparison - (2011-02-06)
  [3424] Divide 10000 by 17. Do you get 588.235294117647, 588.24 or 588? - Ruby and PHP - (2011-09-08)
  [4483] Moving from mysql to mysqli - simple worked example - (2015-05-03)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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