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run code in 300+ PHP versions simultaneously
<?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 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
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.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
blah for here and now ... Warning: Missing argument 1 for bla(), called in /in/O82S5 on line 7 and defined in /in/O82S5 on line 3 blah Notice: Undefined variable: span in /in/O82S5 on line 4

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161.87 ms | 402 KiB | 194 Q