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run code in 150+ php & hhvm versions
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<?php $array = json_decode('["number", "number", "123"]'); var_dump(array_filter($array, 'is_numeric'));
Output for 5.2.0 - 7.1.0
array(1) { [2]=> string(3) "123" }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/O5hRg 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/O5hRg 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/O5hRg 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/O5hRg on line 3