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<?php function foo( &$arg1, &$arg2 ) { var_dump( $arg1, $arg2 ); } $a = 1; $b = 2; call_user_func_array( 'foo', array( $a, $b ) );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Warning: foo(): Argument #1 ($arg1) must be passed by reference, value given in /in/JDcqk on line 7 Warning: foo(): Argument #2 ($arg2) must be passed by reference, value given in /in/JDcqk on line 7 int(1) int(2)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: foo(): Argument #1 ($arg1) must be passed by reference, value given in /in/JDcqk on line 7 Warning: foo(): Argument #2 ($arg2) must be passed by reference, value given in /in/JDcqk on line 7 int(1) int(2)
Output for 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/JDcqk on line 7 Warning: Parameter 2 to foo() expected to be a reference, value given in /in/JDcqk on line 7 int(1) int(2)
Output for 5.6.38, 7.0.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/JDcqk on line 7
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275.3 ms | 401 KiB | 157 Q