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@ 2016-04-28T10:21:47Z

<?php

$attendance = array(
                array(
                    "student_id" => "1",
                    "date" => "2016-04-24"
                )
            );
        

$students = array(
                array(
                    "student_id" => "1",
                    "Reason" => "",
                    "date" => "2016-04-24"
                ),
                array(
                    "student_id" => "6",
                    "Reason" => "1",
                    "date" => "2016-04-24"
                )
            );

$atts = array();
foreach($attendance as $att) 
{
    $atts[] = $att['student_id'];
}


foreach($students as &$student) {
    if(in_array($student['student_id'], $atts))
    {
        $student['Reason']='1';
    }
    else
    {
        $student['Reason']='0';
    }
}
echo '<pre>',print_r($students,1),'</pre>';

Output for git.master, git.master_jit, rfc.property-hooks: <pre>Array ( [0] => Array ( [student_id] => 1 [Reason] => 1 [date] => 2016-04-24 ) [1] => Array ( [student_id] => 6 [Reason] => 0 [date] => 2016-04-24 ) ) </pre>

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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