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run code in 150+ php & hhvm versions
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<?php ini_set('precision', 25); var_dump(json_encode(0.000000000120023021301));
Output for 7.1.0
string(17) "1.20023021301e-10"
Output for 5.2.4 - 7.0.14
string(30) "1.200230213010000084397441e-10"
Output for 5.2.0 - 5.2.3
string(14) "1.20023021e-10"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/bRhJu on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/bRhJu on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/bRhJu on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/bRhJu on line 5