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run code in 150+ php & hhvm versions
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<?php $array = json_decode('[{"pattern": "firefox","isPatternRegExp": false},{"pattern": "chrome","isPatternRegExp": false}]', true); var_dump(array_merge_recursive($array, $array));
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(4) { [0]=> array(2) { ["pattern"]=> string(7) "firefox" ["isPatternRegExp"]=> bool(false) } [1]=> array(2) { ["pattern"]=> string(6) "chrome" ["isPatternRegExp"]=> bool(false) } [2]=> array(2) { ["pattern"]=> string(7) "firefox" ["isPatternRegExp"]=> bool(false) } [3]=> array(2) { ["pattern"]=> string(6) "chrome" ["isPatternRegExp"]=> bool(false) } }
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/GUVMG 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/GUVMG 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/GUVMG 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/GUVMG on line 3