SplFileObject::__construct

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::__construct — Construct a new file object

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public SplFileObject::__construct ( string $filename [, string $open_mode = "r" [, bool $use_include_path = FALSE [, resource $context ]]] )

Construct a new file object.

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filename

The file to read.

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open_mode

The mode in which to open the file. See fopen() for a list of allowed modes.

use_include_path

Whether to search in the include_path for filename.

context

A valid context resource created with stream_context_create().

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Throws a RuntimeException if the filename cannot be opened.

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Example #1 SplFileObject::__construct() example

This example opens the current file and iterates over its contents line by line.

<?php
$file = new SplFileObject(__FILE__);
foreach ($file as $line_num => $line) {
    echo "Line $line_num is $line";
}
?>

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Line 0 is <?php
Line 1 is $file = new SplFileObject(__FILE__);
Line 2 is foreach ($file as $line_num => $line) {
Line 3 is     echo "Line $line_num is $line";
Line 4 is }
Line 5 is ?>

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