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<?php $mem[2]["start"] = (memory_get_peak_usage(true)/1024/1024); $arr = [ "c" => [ "d" ], "d" => [], ]; $arr["d"] = $arr["c"]; $mem[2]["end"] = (memory_get_peak_usage(true)/1024/1024); var_dump($arr); var_dump($mem);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array(2) { ["c"]=> array(1) { [0]=> string(1) "d" } ["d"]=> array(1) { [0]=> string(1) "d" } } array(1) { [2]=> array(2) { ["start"]=> int(2) ["end"]=> int(2) } }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
array(2) { ["c"]=> array(1) { [0]=> string(1) "d" } ["d"]=> array(1) { [0]=> string(1) "d" } } array(1) { [2]=> array(2) { ["start"]=> float(0.25) ["end"]=> float(0.25) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/b7RKi on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/b7RKi on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/b7RKi on line 4
Process exited with code 255.

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