checkEmail.php

<?php

// http://www.tabimoba.net/entry/2014/02/08/154120#.V9JP2pOLS34
// https://github.com/symfony/symfony/issues/18177

// 検証フィルタのみのチェック
function checkEmail($email){
    return filter_var($email, FILTER_VALIDATE_EMAIL);
}

// よく見るバリデーションチェック
function checkEmailDefault($email) {
	return (preg_match('/^[a-zA-Z0-9_\.@\+\?-]+$/i', $email));
}

$emails = array(
	 'abc@gmail.com'
	,'a!bc@gmail.com'
	,'a"bc@gmail.com'
	,'a@bc@gmail.com'
	,'a#bc@gmail.com'
	,'a$bc@gmail.com'
	,'a%bc@gmail.com'
	,'a&bc@gmail.com'
	,'a`bc@gmail.com'
	,'a(bc@gmail.com'
	,'a)bc@gmail.com'
	,'a=bc@gmail.com'
	,'a~bc@gmail.com'
	,'a~bc@gmail.com'
	,'a|bc@gmail.com'
	,'a\bc@gmail.com'
	,'a^bc@gmail.com'
	,'a:bc@gmail.com'
	,'a;bc@gmail.com'
	,'a*bc@gmail.com'
	,'a+bc@gmail.com'
	,'a?bc@gmail.com'
	,'a<bc@gmail.com'
	,'a>bc@gmail.com'
	,'a>bc@gmail.com'
	,'a,bc@gmail.com'
	,'a`bc@gmail.com'
	,'a[bc@gmail.com'
	,'a]bc@gmail.com'
	,'a{bc@gmail.com'
	,'a}bc@gmail.com'
	,'a}bc@gmail.com'
	,'¥abc@gmail.com'
	,'!abc@gmail.com'
	,'"abc@gmail.com'
	,'@abc@gmail.com'
	,'#abc@gmail.com'
	,'$abc@gmail.com'
	,'%abc@gmail.com'
	,'&abc@gmail.com'
	,'(abc@gmail.com'
	,')abc@gmail.com'
	,'=abc@gmail.com'
	,'~abc@gmail.com'
	,'|abc@gmail.com'
	,'\abc@gmail.com'
	,'^abc@gmail.com'
	,':abc@gmail.com'
	,';abc@gmail.com'
	,'*abc@gmail.com'
	,'+abc@gmail.com'
	,'?abc@gmail.com'
	,'<abc@gmail.com'
	,'>abc@gmail.com'
	,',abc@gmail.com'
	,'`abc@gmail.com'
	,'[abc@gmail.com'
	,']abc@gmail.com'
	,'{abc@gmail.com'
	,'}abc@gmail.com'
	,'a..bc@gmail.com'
	,'a__bc@gmail.com'
	,'abc.@gmail.com'
	,'abc_@gmail.com'
	,'abc@@vwx.yz'
	,'abc@vwx.yz'
);

$ng_emails = array();
$ok_emails = array();

foreach ($emails as $email) {

	if (checkEmail($email, true)) {
		// echo '(^-^):'.$email."\n";
		$ok_emails[] = $email;
	} else {
		// echo '(>_<):'.$email."\n";
		$ng_emails[] = $email;
	}
}

echo "\n[OK (^-^) EMAIL LIST]\n";
if (!empty($ok_emails)) {
	foreach ($ok_emails as $email) {
		echo $email."\n";
	}
}

echo "\n[NG (>_<) EMAIL LIST]\n";
if (!empty($ng_emails)) {
	foreach ($ng_emails as $email) {
		echo $email."\n";
	}
}