3v4l.org

run code in 300+ PHP versions simultaneously
<?php function func_a( $arg1, $arg2, $arg3 = null ) { $summ = $arg1 + $arg2; function func_arg( $a1, $a2 ) { $output = $GLOBALS['summ'] + $a1 + $a2; return $output; } } print func_a( 3, 5, func_arg( 7, 9 ) );
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
Fatal error: Uncaught Error: Call to undefined function func_arg() in /in/GvJYs:12 Stack trace: #0 {main} thrown in /in/GvJYs on line 12
Process exited with code 255.
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