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<?php $address = array( "id" => 17570527.00, "seq" => 0, "line1" => "1 Heron Close", "line2" => "Bradwell", "post_town" => "Great Yarmouth", "county" => "Norfolk", "postcode" => "NR31 8LY", "mailsort" => "54136", "barcode" => "(NR318LY1AA)", "is_residential" => 1, "is_small_organisation" => 0, "is_large_organisation" => 0, ); function pluck_keys($array, ...$keys) { return array_intersect_key($address, array_flip($keys)); } echo implode("\n", pluck_keys(['line1', 'line2', 'line3', 'line4', 'line5']));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $address in /in/5KFjh on line 20 Fatal error: Uncaught TypeError: array_intersect_key(): Argument #1 ($array) must be of type array, null given in /in/5KFjh:20 Stack trace: #0 /in/5KFjh(20): array_intersect_key(NULL, Array) #1 /in/5KFjh(23): pluck_keys(Array) #2 {main} thrown in /in/5KFjh on line 20
Process exited with code 255.
Output for 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: address in /in/5KFjh on line 20 Warning: array_intersect_key(): Expected parameter 1 to be an array, null given in /in/5KFjh on line 20 Warning: implode(): Invalid arguments passed in /in/5KFjh on line 23
Output for 7.3.32 - 7.3.33
Warning: array_intersect_key(): Expected parameter 1 to be an array, null given in /in/5KFjh on line 20 Warning: implode(): Invalid arguments passed in /in/5KFjh on line 23
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33
Notice: Undefined variable: address in /in/5KFjh on line 20 Warning: array_intersect_key(): Argument #1 is not an array in /in/5KFjh on line 20 Warning: implode(): Invalid arguments passed in /in/5KFjh on line 23
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/5KFjh on line 18
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/5KFjh on line 18
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/5KFjh on line 18
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE or T_CONST in /in/5KFjh on line 18
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
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE or T_CONST in /in/5KFjh on line 18
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/5KFjh on line 18
Process exited with code 255.
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