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copied!<p>Only <code>eval('?>' . file_get_contents('external.php'));</code> variant is correct replacement for include.</p> <p>See tests:</p> <pre><code><?php $includes = array( 'some text', '<?php print "some text"; ?>', '<?php print "some text";', 'some text<?php', 'some text<?php ', 'some text<?php;', 'some text<?php ?>', '<?php ?>some text', ); $tempFile = tempnam('/tmp', 'test_'); print "\r\n" . "Include:" . "\r\n"; foreach ($includes as $include) { file_put_contents($tempFile, $include); var_dump(include $tempFile); } unlink($tempFile); print "\r\n" . "Eval 1:" . "\r\n"; foreach ($includes as $include) var_dump(eval('?>' . $include . '<?php ')); print "\r\n" . "Eval 2:" . "\r\n"; foreach ($includes as $include) var_dump(eval('?>' . $include)); print "\r\n" . "Eval 3:" . "\r\n"; foreach ($includes as $include) var_dump(eval('?>' . $include . '<?php;')); </code></pre> <p>Output:</p> <pre><code>Include: some textint(1) some textint(1) some textint(1) some text<?phpint(1) some textint(1) some text<?php;int(1) some textint(1) some textint(1) Eval 1: some textNULL some textNULL bool(false) some text<?phpNULL bool(false) some text<?php;NULL some textNULL some textNULL Eval 2: some textNULL some textNULL some textNULL some text<?phpNULL some textNULL some text<?php;NULL some textNULL some textNULL Eval 3: some text<?php;NULL some text<?php;NULL bool(false) some text<?php<?php;NULL bool(false) some text<?php;<?php;NULL some text<?php;NULL some text<?php;NULL </code></pre>

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