Online PHP editor | rfc for Uhlpb

@ 2021-12-23T16:30:22Z

<?php

$txt = <<<TXT
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
TXT;

class FileObject extends SplFileObject
{
    #[\ReturnTypeWillChange]
    public function seek($offset)
    {
        if ($offset < 0) {
            throw new Exception("Can't seek file: " . $this->getPathname() . " to negative offset: $offset");
        }
        
        if ($offset === 0) {
            parent::seek(0);
            return;
        }

        $this->rewind();
        for ($i = 0; $i < $offset; $i++) {
            $this->fgets();
            $this->next();
            if ($this->eof()) {
                break;
            }
        }

        //$this->current();
    }
}

$file = new FileObject('php://memory', 'w+');
$file->fwrite($txt);

echo 'Seeking line 2...', PHP_EOL;
$file->seek(1);
echo 'Position in the file: ', $file->ftell(), PHP_EOL;
echo 'Rest of the file: ', PHP_EOL, $file->fread(5000);

echo PHP_EOL, '-------------', PHP_EOL;

echo 'Seeking line last line...', PHP_EOL;
$file->seek(PHP_INT_MAX);
$lastLine = $file->key();
$offset = max($lastLine - 1, 0);
$file->seek($offset);

echo 'Position in the file: ', $file->ftell(), PHP_EOL;
echo 'Rest of the file: ', PHP_EOL, $file->fread(5000);

Output for git.master, git.master_jit, rfc.property-hooks: Seeking line 2... Position in the file: 7 Rest of the file: Line 2 Line 3 Line 4 Line 5 Line 6 Line 7 Line 8 ------------- Seeking line last line... Position in the file: 55 Rest of the file:

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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