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<?php $dec = json_decode('{"a":"A\u2028B"}'); $dec = json_encode($dec, JSON_UNESCAPED_UNICODE); $json = json_encode($dec); $json = strtr( $json, array( "\xE2\x80\xA8" => '1', // \u2028 "\xE2\x80\xA9" => '2', // \u2029 ) ); var_dump($json); var_dump($dec); echo strlen($json), ' ', strlen($dec);
Output for 7.1.0 - 7.1.25, 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 - 8.2.17, 8.3.0 - 8.3.4
string(23) ""{\"a\":\"A\\u2028B\"}"" string(16) "{"a":"A\u2028B"}" 23 16
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
string(22) ""{\"a\":\"A\u2028B\"}"" string(13) "{"a":"A
B"}" 22 13
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/tshPR on line 4 Warning: json_encode() expects parameter 2 to be long, string given in /in/tshPR on line 4 string(4) "null" NULL 4 0
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/tshPR on line 4 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/tshPR on line 4 string(4) "null" NULL 4 0
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/tshPR on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/tshPR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/tshPR on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/tshPR on line 3

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