marek-saji · May 8, 2019 21:31
diff --git a/foo.php b/foo.php
 <?php
 ini_set('display_errors', true);
 for ($i = 1; $i <= 4; $i += 1)
 {
    echo 'out', $i, PHP_EOL;
    if ($stderr = fopen('php://stderr', 'a'))
    {
       fprintf($stderr, "err{$i}\n");
    }
 }
 ?>
diff --git a/run.sh b/run.sh
 #!/bin/sh

 # prints all err messages
 php foo.php
 # prints only first two err messages
 php < foo.php
	#!/bin/sh

	# prints all err messages
	php foo.php
	# prints only first two err messages
	php < foo.php