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<?php $input = Array( Array ( 'd1' => 'P', 'd2' => '', 'd3' => '' ), Array ( 'd1' => '', 'd2' => 'A', 'd3' => 'P' ) ); $result = call_user_func_array("array_filter(array_merge)", $input); var_export($result);
Output for 8.0.10 - 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
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "array_filter(array_merge)" not found or invalid function name in /in/nXFCC:17 Stack trace: #0 {main} thrown in /in/nXFCC on line 17
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "array_filter(array_merge)" not found or invalid function name in /in/nXFCC:17 Stack trace: #0 {main} thrown in /in/nXFCC on line 17
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($function) must be a valid callback, function "array_filter(array_merge)" not found or invalid function name in /in/nXFCC:17 Stack trace: #0 {main} thrown in /in/nXFCC on line 17
Process exited with code 255.
Output for 5.6.38, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'array_filter(array_merge)' not found or invalid function name in /in/nXFCC on line 17 NULL
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