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<?php $sampleArray = [ ["id" => 0.1, "marks" => 2], ["id" => 0.2, "marks" => 4], ["id" => 0.3, "marks" => 1], ["id" => 1.1, "marks" => 6], ["id" => 1.2, "marks" => 0], ["id" => 1.3, "marks" => 8], ["id" => 2.1, "marks" => 7], ["id" => 2.2, "marks" => 12], ]; $result = []; foreach ($sampleArray as $row) { $result[$row['id']] = ($result[$row['id']] ?? 0) + $row['marks']; } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Implicit conversion from float 0.1 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 0.1 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 0.2 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 0.2 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 0.3 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 0.3 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 1.1 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 1.1 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 1.2 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 1.2 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 1.3 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 1.3 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 2.1 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 2.1 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 2.2 to int loses precision in /in/e6o1Q on line 16 Deprecated: Implicit conversion from float 2.2 to int loses precision in /in/e6o1Q on line 16 array ( 0 => 7, 1 => 14, 2 => 19, )

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