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<?php $comp = '{"date":"2014-10-04","day:"mon"},{"date":"2014-10-03","day":"tue"}'; echo $comp; $arr1 = array('date' => '2015-10-04' , 'day' => 'wed'); print_R(json_decode($comp,true)); echo json_encode(array_push(json_decode($comp,true),$arr1));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
{"date":"2014-10-04","day:"mon"},{"date":"2014-10-03","day":"tue"} Notice: Only variables should be passed by reference in /in/2Qk9b on line 7 Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /in/2Qk9b:7 Stack trace: #0 /in/2Qk9b(7): array_push(NULL, Array) #1 {main} thrown in /in/2Qk9b on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
{"date":"2014-10-04","day:"mon"},{"date":"2014-10-03","day":"tue"} Notice: Only variables should be passed by reference in /in/2Qk9b on line 7 Warning: array_push() expects parameter 1 to be array, null given in /in/2Qk9b on line 7 null
Output for 7.3.32 - 7.3.33
{"date":"2014-10-04","day:"mon"},{"date":"2014-10-03","day":"tue"} Warning: array_push() expects parameter 1 to be array, null given in /in/2Qk9b on line 7 null
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
{"date":"2014-10-04","day:"mon"},{"date":"2014-10-03","day":"tue"} Strict Standards: Only variables should be passed by reference in /in/2Qk9b on line 7 Warning: array_push() expects parameter 1 to be array, null given in /in/2Qk9b on line 7 null

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