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<?php $f = ['softrip' => ['externalSourceId' => 1, 'wtf' => 'bbq']]; $g = ['softrip' => ['externalSourceId' => 2]]; var_dump(array_merge_recursive($f, $g));
based on eJ5Rv
Output for 5.4.0 - 7.2.0
array(1) { ["softrip"]=> array(2) { ["externalSourceId"]=> array(2) { [0]=> int(1) [1]=> int(2) } ["wtf"]=> string(3) "bbq" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/5M0pP on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/5M0pP on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5M0pP on line 2
Process exited with code 255.