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<?php $json = '{ "credit_card": { "cvc": "123", "expiry": { "month": "12", "year": "2019" }, "name": "Julian", "number": "5123450000000008", "token": null }, "amount": "10", "currency": "AUD", "gateway": { "line_of_business": "eWallet", "service": "default", "username": null }, "external_id": "my external id", "reference": "julian test", "remitter_name": null, "request_id": "1529561070", "statement_description": null, "security_id": null }'; $array = json_decode($json, true); function array_filter_recursive($array) { $array = array_filter($array); foreach ($array as $key => $value) { if (!is_array($value)) { continue; } array_filter_recursive($value); } return $array; } var_dump(array_filter_recursive($array));
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(7) { ["credit_card"]=> array(5) { ["cvc"]=> string(3) "123" ["expiry"]=> array(2) { ["month"]=> string(2) "12" ["year"]=> string(4) "2019" } ["name"]=> string(6) "Julian" ["number"]=> string(16) "5123450000000008" ["token"]=> NULL } ["amount"]=> string(2) "10" ["currency"]=> string(3) "AUD" ["gateway"]=> array(3) { ["line_of_business"]=> string(7) "eWallet" ["service"]=> string(7) "default" ["username"]=> NULL } ["external_id"]=> string(14) "my external id" ["reference"]=> string(11) "julian test" ["request_id"]=> string(10) "1529561070" }
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(7) { ["credit_card"]=> array(5) { ["cvc"]=> string(3) "123" ["expiry"]=> array(2) { ["month"]=> string(2) "12" ["year"]=> string(4) "2019" } ["name"]=> string(6) "Julian" ["number"]=> string(16) "5123450000000008" ["token"]=> NULL } ["amount"]=> string(2) "10" ["currency"]=> string(3) "AUD" ["gateway"]=> array(3) { ["line_of_business"]=> string(7) "eWallet" ["service"]=> string(7) "default" ["username"]=> NULL } ["external_id"]=> string(14) "my external id" ["reference"]=> string(11) "julian test" ["request_id"]=> string(10) "1529561070" }

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