Online PHP editor | output for iaAq1

@ 2013-12-17T15:42:46Z

<?php
/**
 * Boilerplate to setup variables
 */
$start = new \DateTime('2013-01-01');
$end = new \DateTime('2013-12-31');
$interval = new \DateInterval('P1D');
$period = new \DatePeriod($start, $interval, $end->add($interval));
foreach($period as $date){
    $dateArray[] = $date->format('Y-m-d');
}
/**
 * End of boilerplate
 */


/**
 * Answer code
 */
$countArray = ['Jan' => 0, 'Feb' => 0, 'Mar' => 0, 'Apr' => 0, 'May' => 0, 'Jun' => 0, 'Jul' => 0, 'Aug' => 0, 'Sep' => 0, 'Oct' => 0, 'Nov' => 0, 'Dec' => 0];

foreach($dateArray as $dateString){
    $date = new \DateTime($dateString);
    $countArray[$date->format('M')]++;
}

var_dump($countArray);

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: array(12) { ["Jan"]=> int(31) ["Feb"]=> int(28) ["Mar"]=> int(31) ["Apr"]=> int(30) ["May"]=> int(31) ["Jun"]=> int(30) ["Jul"]=> int(31) ["Aug"]=> int(31) ["Sep"]=> int(30) ["Oct"]=> int(31) ["Nov"]=> int(30) ["Dec"]=> int(31) }
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/iaAq1 on line 20
Process exited with code 255.

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