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<?php $arraydata = array('foo' => 3.0, 'bar' => 3.1); var_dump($arraydata); var_dump(json_encode($arraydata)); var_dump(json_encode($arraydata, JSON_PRESERVE_ZERO_FRACTION));
Output for 5.6.6 - 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, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(2) { ["foo"]=> float(3) ["bar"]=> float(3.1) } string(19) "{"foo":3,"bar":3.1}" string(21) "{"foo":3.0,"bar":3.1}"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.5
array(2) { ["foo"]=> float(3) ["bar"]=> float(3.1) } string(19) "{"foo":3,"bar":3.1}" Notice: Use of undefined constant JSON_PRESERVE_ZERO_FRACTION - assumed 'JSON_PRESERVE_ZERO_FRACTION' in /in/GFGRr on line 7 Warning: json_encode() expects parameter 2 to be long, string given in /in/GFGRr on line 7 NULL
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