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<?php // Active assert and make it quiet assert_options(ASSERT_ACTIVE, 1); // Create a handler function function my_assert_handler($file, $line, $code, $desc = null) { echo "Assertion failed at $file:$line: $code"; if ($desc) { echo ": $desc"; } echo "\n"; } // Set up the callback assert_options(ASSERT_CALLBACK, 'phpinfo'); // Make an assertion that should fail assert('2 < 1'); assert('2 < 1', '<img src=1>');

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