3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Active assert and make it quiet assert_options(ASSERT_ACTIVE, 1); assert_options(ASSERT_WARNING, 0); assert_options(ASSERT_QUIET_EVAL, 1); // Create a handler function function my_assert_handler($file, $line, $code, $desc = null) { echo "Assertion failed at file $file, line $line, code $code"; if ($desc) { echo ": $desc"; } echo "\n"; } // Set up the callback assert_options(ASSERT_CALLBACK, 'my_assert_handler'); // Make an assertion that should fail assert('2 < 1', 'Testing if two is less than one');

preferences:
37.16 ms | 402 KiB | 5 Q