SplFileObject::rewind

(PHP 5 >= 5.1.0)

SplFileObject::rewind — Rewind the file to the first line

Descrierea

public void SplFileObject::rewind ( void )

Rewinds the file back to the first line.

Parametri

Această funcție nu are parametri.

Valorile întoarse

Nu este întoarsă nici o valoare.

Erori/Excepții

Throws a RuntimeException if cannot be rewound.

Exemple

Example #1 SplFileObject::rewind() example


<?php
$file = new SplFileObject("misc.txt");

// Loop over whole file
foreach ($file as $line) { }

// Rewind to first line
$file->rewind();

// Output first line
echo $file->current();
?>

Vedeți de asemenea

SplFileObject::current() - Retrieve current line of file
SplFileObject::key() - Get line number
SplFileObject::seek() - Seek to specified line
SplFileObject::next() - Read next line
SplFileObject::valid() - Not at EOF

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