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<?php function foo1($a=null, $b) { printf('foo1: %s, %s', var_export($a, true), var_export($b, true)); } function foo2($a, $b=null, $c) { printf('foo2: %s, %s, %s', var_export($a, true), var_export($b, true), var_export($c, true)); } foo1(1, 2); foo1(3); foo2(4); foo2(4, 5); foo2(4, 5, 6);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Optional parameter $a declared before required parameter $b is implicitly treated as a required parameter in /in/hEt0u on line 3 Deprecated: Optional parameter $b declared before required parameter $c is implicitly treated as a required parameter in /in/hEt0u on line 7 foo1: 1, 2 Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo1(), 1 passed in /in/hEt0u on line 12 and exactly 2 expected in /in/hEt0u:3 Stack trace: #0 /in/hEt0u(12): foo1(3) #1 {main} thrown in /in/hEt0u on line 3
Process exited with code 255.

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