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<?php function foo(&$obj) { return $obj; } $o = "abc"; // No errors foo($o); call_user_func('foo', $o); call_user_func('foo', [$o]); $a[] = "abc"; $a[] = "abc"; $a[] = "abc"; // Warning: Parameter 1 to foo() expected to be a reference, value given in call_user_func('foo', array_slice($a, 0, 1));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/WMMQa on line 10 Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/WMMQa on line 11 Warning: foo(): Argument #1 ($obj) must be passed by reference, value given in /in/WMMQa on line 18
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 10 Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 11 Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 18
Output for 7.0.0 - 7.0.8, 7.0.10 - 7.0.20
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 18
Output for 7.0.9
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 10 Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 18
Output for 5.6.0 - 5.6.26
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WMMQa on line 10
preferences:
146.46 ms | 413 KiB | 5 Q