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<?php $a = array( 0 => array('value' => 1000, 'name' => 'AA1'), 1 => array('value' => 2000, 'name' => 'AA2'), 2 => array('value' => 3000, 'name' => 'AA3'), 3 => array('value' => 4000, 'name' => 'AA4'), ); $b = array( 0 => array('value' => 1000, 'name' => 'BB1'), 1 => array('value' => 3000, 'name' => 'BB2'), 2 => array('value' => 1700, 'name' => 'BB3'), 3 => array('value' => 1200, 'name' => 'BB4'), ); $c = array( 0 => array('value' => 3000, 'name' => 'CC1'), 1 => array('value' => 4000, 'name' => 'CC2'), 2 => array('value' => 4300, 'name' => 'CC3'), 3 => array('value' => 5000, 'name' => 'CC4'), ); $result = array_uintersect($a, $b, $c, function($x, $y) { return $x['value'] - $y['value']; }); $result = array_map(function($x) use ($a) { return ['value'=>$x['value'], 'name'=>$a['name']]; }, $result); var_dump($result);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key "name" in /in/YmX4Y on line 28 array(1) { [2]=> array(2) { ["value"]=> int(3000) ["name"]=> NULL } }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined index: name in /in/YmX4Y on line 28 array(1) { [2]=> array(2) { ["value"]=> int(3000) ["name"]=> NULL } }
Output for 7.3.32 - 7.3.33, 7.4.26
array(1) { [2]=> array(2) { ["value"]=> int(3000) ["name"]=> NULL } }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/YmX4Y on line 28
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/YmX4Y on line 22
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 T_FUNCTION in /in/YmX4Y on line 22
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YmX4Y on line 22
Process exited with code 255.

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