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<?php $a = [ 23 => [ 'foo' ], 42 => 'bar', ]; var_dump( filter_var( $a, FILTER_UNSAFE_RAW, FILTER_REQUIRE_ARRAY ) ); var_dump( filter_var( $a[23], FILTER_UNSAFE_RAW, FILTER_REQUIRE_ARRAY ) ); var_dump( filter_var( $a[42], FILTER_UNSAFE_RAW, null ) );
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(2) { [23]=> array(1) { [0]=> string(3) "foo" } [42]=> string(3) "bar" } array(1) { [0]=> string(3) "foo" } Deprecated: filter_var(): Passing null to parameter #3 ($options) of type array|int is deprecated in /in/4sItX on line 9 string(3) "bar"
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(2) { [23]=> array(1) { [0]=> string(3) "foo" } [42]=> string(3) "bar" } array(1) { [0]=> string(3) "foo" } Deprecated: filter_var(): Passing null to parameter #3 ($options) of type array|int is deprecated in /in/4sItX on line 9 string(3) "bar"
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
array(2) { [23]=> array(1) { [0]=> string(3) "foo" } [42]=> string(3) "bar" } array(1) { [0]=> string(3) "foo" } string(3) "bar"
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235.32 ms | 403 KiB | 288 Q