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<?php $a = [1]; foreach ((isset($a["key"]) ? [&$a["key"]] : [&$a])[0] as &$v) { var_dump($a); $v++; } var_dump($a); $a = [1]; $x = (isset($a["chunks"]) ? [&$a["chunks"]] : [&$a]); foreach ($x[0] as &$v) { var_dump($a); $v++; } var_dump($a);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
array(1) { [0]=> int(1) } array(1) { [0]=> int(1) } array(1) { [0]=> &int(1) } array(1) { [0]=> &int(2) }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
array(1) { [0]=> &int(1) } array(1) { [0]=> &int(2) } array(1) { [0]=> &int(1) } array(1) { [0]=> &int(2) }
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, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '[' in /in/8QBeN on line 3
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/8QBeN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/8QBeN on line 3
Process exited with code 255.

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