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<?php $items = [ 'a' => [], 'b' => ['id' => 'B'], 'c' => ['id' => 'C'], 'd' => [], 'e' => ['id' => 'E'], ]; var_export( array_filter( array_combine( array_keys($items), array_column($items, 'id'))));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ValueError: array_combine(): Argument #1 ($keys) and argument #2 ($values) must have the same number of elements in /in/im2gZ:12 Stack trace: #0 /in/im2gZ(12): array_combine(Array, Array) #1 {main} thrown in /in/im2gZ on line 12
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught ValueError: array_combine(): Argument #1 ($keys) and argument #2 ($values) must have the same number of elements in /in/im2gZ:12 Stack trace: #0 /in/im2gZ(12): array_combine(Array, Array) #1 {main} thrown in /in/im2gZ on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
Fatal error: Uncaught ValueError: array_combine(): Argument #1 ($keys) and argument #2 ($values) must have the same number of elements in /in/im2gZ:14 Stack trace: #0 /in/im2gZ(14): array_combine(Array, Array) #1 {main} thrown in /in/im2gZ on line 14
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_combine(): Both parameters should have an equal number of elements in /in/im2gZ on line 14 Warning: array_filter() expects parameter 1 to be array, bool given in /in/im2gZ on line 14 NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Warning: array_combine(): Both parameters should have an equal number of elements in /in/im2gZ on line 14 Warning: array_filter() expects parameter 1 to be array, boolean given in /in/im2gZ on line 14 NULL
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/im2gZ on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/im2gZ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/im2gZ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/im2gZ on line 3
Process exited with code 255.

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