Online PHP editor | rfc for kaeRJ

@ 2018-10-26T15:42:54Z

<?php
class MyFilter extends php_user_filter {
    private $data = '';

    public function filter($in, $out, &$consumed, $closing) {
        $return = PSFS_FEED_ME;

        // While input data is available, continue to read it.
        while ($bucket_in = stream_bucket_make_writeable($in)) {
            $this->data .= $bucket_in->data;
            $consumed   += $bucket_in->datalen;

            // Process whole lines.
            while (preg_match('/(.*?)[\r\n]+(.*)/s', $this->data, $match) === 1) {
                list(, $data, $this->data) = $match;
                // Send this record output.
                $data       = strrev($data) . PHP_EOL;
                $bucket_out = stream_bucket_new($this->stream, $data);
                $return     = PSFS_PASS_ON;
                stream_bucket_append($out, $bucket_out);
            }
        }

        // Process the final line.
        if ($closing && $this->data !== '') {
            $data       = strrev($this->data) . PHP_EOL;
            $bucket_out = stream_bucket_new($this->stream, $data);
            $return     = PSFS_PASS_ON;
            stream_bucket_append($out, $bucket_out);
        }

        return $return;
    }
}

stream_filter_register('my-filter', 'MyFilter');

$input = "Line one\nLine two\nLine three";

$stream = fopen('data://text/plain,' . $input, 'r');
stream_filter_append($stream, 'my-filter');

$output = '';
while (!feof($stream)) {
    $output .= fread($stream, 16);
}
fclose($stream);

echo $output;

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Return type of MyFilter::filter($in, $out, &$consumed, $closing) should either be compatible with php_user_filter::filter($in, $out, &$consumed, bool $closing): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/kaeRJ on line 5 eno eniL owt eniL eerht eniL

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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