PHP STREAM_COPY_TO STREAM() FUNCTION

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In this article, you will learn how to communicate or pass data between streams in PHP. The PHP stream_filter_append() function copies data from one stream to another.

STREAM_COPY_TO STREAM() function in php?

stream_copy_to_stream(src, dest, maxlength, offset)
ParameterDescription
srcRequired. Specifies the source stream to copy data from
destRequired. Specifies the destination stream to copy data to
maxlengthOptional. Specifies the maximum bytes to copy
offsetOptional. Specifies the offset where to start to copy data
PHP STREAM_COPY_TO STREAM() method

examples of the STREAM_COPY_TO STREAM() function

Example 1. In this example, we copy 1024 bytes of  data from one stream to another.

<?php
$src = fopen("test1.txt", "r");
$dest = fopen("test2.txt", "w");

// Copy 1024 bytes to test2.txt
echo stream_copy_to_stream($src, $dest, 1024) . " bytes copied to test2.txt";
?>
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