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2014-2017 Michel Corne
by Example
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<?php
/**
* PHP By Example
*
* @copyright 2015 Michel Corne
* @license http://www.opensource.org/licenses/gpl-3.0.html GNU GPL v3
*/
require_once 'models/function_core.php';
/**
* Function configuration
*
* Changes to this class may affect other classes.
*
* @see docs/function-configuration.txt
*/
class fgetc extends function_core
{
public $examples = [
[
'data' => 'Hello !',
'__count' => 4,
'handle' => '$handle',
],
[
'data' => 'Hello !',
'__count' => 10,
'handle' => '$handle',
],
[
'data' => 'Hello !',
'__count' => 0,
'handle' => 123,
],
];
public $input_args = ['__count', 'data'];
public $source_code = '
// loads some data in a temp file
file_put_contents(
"/tmp/pbe.txt",
$data // mixed $data
);
$count =
$__count; // int $__count
$_handle = fopen("/tmp/pbe.txt", "r");
for ($i = 0; $i < $count; $i++) {
_NO_BOLD_%s($_handle);
}
inject_function_call
';
public $synopsis = 'string fgetc ( resource $handle )';
function init()
{
$this->source_code = sprintf($this->source_code, get_class($this));
}
function pre_exec_function()
{
if (! $filename = tempnam(sys_get_temp_dir(), "pbe")) {
throw new Exception('cannot get temp file name');
}
$data = $this->_filter->filter_arg_value('data');
if (@file_put_contents($filename, $data) === false) {
throw new Exception("cannot create $filename");
}
if (! $handle = @fopen($filename, 'r')) {
throw new Exception("cannot open $filename");
}
$count = $this->_filter->filter_number('__count', 10, true);
$function_name = $this->_synopsis->function_name;
for ($i = 0; $i < $count; $i++) {
$function_name($handle);
}
if ($this->_filter->filter_arg_value('handle', false) != '$handle') {
// an invalid handle var name is passed, sets the handle var name to this value
$handle = $this->_filter->filter_arg_value('handle');
}
$this->returned_params['handle'] = $handle;
}
}
2014-2017 Michel Corne