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run code in 150+ php & hhvm versions
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<?php $dec = json_decode('{"a":"A\u2028B"}'); print_r(json_encode($dec)); $json = json_encode($dec); $json = strtr( $json, array( "\xE2\x80\xA8" => '', // \u2028 "\xE2\x80\xA9" => '', // \u2029 ) ); $test = json_encode($dec, JSON_UNESCAPED_UNICODE); echo strlen($json), ' ', strlen($test);
Output for 7.1.0
{"a":"A\u2028B"}16 16
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
{"a":"A\u2028B"}16 13
Output for 5.3.0 - 5.3.29
{"a":"A\u2028B"} Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/Z704X on line 13 Warning: json_encode() expects parameter 2 to be long, string given in /in/Z704X on line 13 16 0
Output for 5.2.0 - 5.2.17
{"a":"A\u2028B"} Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/Z704X on line 13 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/Z704X on line 13 16 0
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/Z704X 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/Z704X on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/Z704X 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/Z704X on line 3