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<?php function bla($span){ echo "blah ",$span,"\n"; } function blee($f){ return $f(); } $howlong = 'for here and now'; $f = function() use($howlong){ $howlong .= ' ...'; bla($howlong); }; blee( $f ); blee("bla");
Output for git.master, git.master_jit, rfc.property-hooks
blah for here and now ... Fatal error: Uncaught ArgumentCountError: Too few arguments to function bla(), 0 passed in /in/O82S5 on line 7 and exactly 1 expected in /in/O82S5:3 Stack trace: #0 /in/O82S5(7): bla() #1 /in/O82S5(17): blee('bla') #2 {main} thrown in /in/O82S5 on line 3
Process exited with code 255.

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