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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array( 'a' => null, 'b' => "null", 'c' => 123, 'd' => "123" ); echo json_encode($a);
Output for 5.2.0 - 7.2.0
{"a":null,"b":"null","c":123,"d":"123"}
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/ZfME1 on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/ZfME1 on line 9
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/ZfME1 on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/ZfME1 on line 9