3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo1($a=null, $b) { printf("foo1: %s, %s", var_export($a, true), var_export($b, true)); } //function foo2($a, $b=null, $c) { // var_dump($a); // var_dump($b); // var_dump($c); //} foo1(1, 2); foo1(3); //foo2(4); //foo2(4, 5); //foo2(4, 5, 6);
based on lv1AU
Output for 7.1.0
foo1: 1, 2 Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo1(), 1 passed in /in/3M0nL on line 14 and exactly 2 expected in /in/3M0nL:3 Stack trace: #0 /in/3M0nL(14): foo1(3) #1 {main} thrown in /in/3M0nL on line 3
Process exited with code 255.
Output for 5.1.1 - 7.0.14
foo1: 1, 2 Warning: Missing argument 2 for foo1(), called in /in/3M0nL on line 14 and defined in /in/3M0nL on line 3 Notice: Undefined variable: b in /in/3M0nL on line 4 foo1: 3, NULL
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/3M0nL on line 18
Process exited with code 255.
Output for 4.3.0 - 5.0.5
foo1: 1, 2 Warning: Missing argument 2 for foo1() in /in/3M0nL on line 3 foo1: 3, NULL