Script to send out secret santa assignments

santa.php

#!/usr/bin/php
<?php

// santa file has the following format
//
// name1 [email protected]
// another name [email protected]
// etc...

$myEmail= 'YOUR EMAIL HERE';

$ppl = explode("\n", trim(file_get_contents('santa')));

$names = [];
$emails = [];

foreach ($ppl as $person) {
  $name = trim(substr($person, 0, strrpos($person, ' ')));
  $names[] = $name;
  $emails[$name] = trim(substr($person, strrpos($person, ' ')));
}

shuffle($names);

$lastName = $names[count($names)-1];

$assignments = [];
foreach($names as $name) {
  $assignments[$lastName] = $name;
  $lastName = $name;
}

$headers = [
//  "From: Name <email@domain>",
  "Reply-To: $myEmail"
];

foreach($assignments as $santa => $recip) {
  $message = "Hey $santa. Your secret santa assignment is $recip. Please get him or her wasted. Reminder: $X suggested booze price. LINK TO DOC.";
  mail($emails[$santa], 'Your Booze Secret Santa Assignment', $message, implode("\r\n",$headers));
}


unset($assignments[array_search('Grin', $assignments)]);

mail($myEmail, 'Secret Santa Master List', var_export($assignments, true));