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<?php function foo(&$bar) { $bar = 1; return 1; } $arg = 0; $called = 0; $called=call_user_func_array('foo', array(0)); var_dump(array('arg'=>$arg, 'called'=>$called)); $arg = 0; $called = 0; $called=call_user_func_array('foo', array($arg)); var_dump(array('arg'=>$arg, 'called'=>$called)); $arg = 0; $called = 0; $called=call_user_func_array('foo', array(&$arg)); var_dump(array('arg'=>$arg, 'called'=>$called));
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 ($bar) must be passed by reference, value given in /in/WRkIH on line 8 array(2) { ["arg"]=> int(0) ["called"]=> int(1) } Warning: foo(): Argument #1 ($bar) must be passed by reference, value given in /in/WRkIH on line 9 array(2) { ["arg"]=> int(0) ["called"]=> int(1) } array(2) { ["arg"]=> int(1) ["called"]=> int(1) }
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/WRkIH on line 8 array(2) { ["arg"]=> int(0) ["called"]=> int(1) } Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WRkIH on line 9 array(2) { ["arg"]=> int(0) ["called"]=> int(1) } array(2) { ["arg"]=> int(1) ["called"]=> int(1) }
Output for 7.0.0 - 7.0.20
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WRkIH on line 8 array(2) { ["arg"]=> int(0) ["called"]=> NULL } Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WRkIH on line 9 array(2) { ["arg"]=> int(0) ["called"]=> NULL } array(2) { ["arg"]=> int(1) ["called"]=> int(1) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
array(2) { ["arg"]=> int(0) ["called"]=> int(1) } Warning: Parameter 1 to foo() expected to be a reference, value given in /in/WRkIH on line 9 array(2) { ["arg"]=> int(0) ["called"]=> NULL } array(2) { ["arg"]=> int(1) ["called"]=> int(1) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
array(2) { ["arg"]=> int(0) ["called"]=> int(1) } array(2) { ["arg"]=> int(0) ["called"]=> int(1) } array(2) { ["arg"]=> int(1) ["called"]=> int(1) }
preferences:
151.51 ms | 415 KiB | 5 Q