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<?php $input = array( array( 'Category', 'fruit', 'carbs', ), array( 'Day 1 - Program', 'Eat banana', 'Eat bread', ), array( 'Day 1 - record', '', '', ), ); $output = call_user_func_array( 'array_map', array_merge( array(NULL), $input ) ); var_dump($output);
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(3) { [0]=> array(3) { [0]=> string(8) "Category" [1]=> string(15) "Day 1 - Program" [2]=> string(14) "Day 1 - record" } [1]=> array(3) { [0]=> string(5) "fruit" [1]=> string(10) "Eat banana" [2]=> string(0) "" } [2]=> array(3) { [0]=> string(5) "carbs" [1]=> string(9) "Eat bread" [2]=> string(0) "" } }
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 array(3) { [0]=> array(3) { [0]=> string(8) "Category" [1]=> string(15) "Day 1 - Program" [2]=> string(14) "Day 1 - record" } [1]=> array(3) { [0]=> string(5) "fruit" [1]=> string(10) "Eat banana" [2]=> string(0) "" } [2]=> array(3) { [0]=> string(5) "carbs" [1]=> string(9) "Eat bread" [2]=> string(0) "" } }

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