{"id":31945,"date":"2026-11-10T11:45:00","date_gmt":"2026-11-10T04:45:00","guid":{"rendered":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/?p=31945"},"modified":"2026-11-10T16:59:24","modified_gmt":"2026-11-10T09:59:24","slug":"cau-hoi-phong-van-php-developer","status":"publish","type":"post","link":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/phong-van-viec-lam\/cau-hoi-phong-van-php-developer","title":{"rendered":"C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n PHP developer: t\u1eeb PHP 8, Laravel \u0111\u1ebfn b\u1ea3o m\u1eadt v\u00e0 b\u00e0i test"},"content":{"rendered":"<p>C\u00f9ng l\u00e0 v\u1ecb tr\u00ed L\u1eadp tr\u00ecnh vi\u00ean PHP (PHP Developer), c\u00f4ng ty s\u1ea3n ph\u1ea9m d\u00f9ng Laravel v\u00e0 \u0111\u01a1n v\u1ecb l\u00e0m web WordPress s\u1ebd h\u1ecfi hai b\u1ed9 c\u00e2u kh\u00e1c nhau. B\u00e0i vi\u1ebft gom c\u00e1c <strong>c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n PHP developer<\/strong> theo c\u1ea5p fresher, middle, senior v\u00e0 theo m\u1ea3ng vi\u1ec7c, k\u00e8m \u0111i\u1ec1u nh\u00e0 tuy\u1ec3n d\u1ee5ng mu\u1ed1n ki\u1ec3m tra. Ph\u1ea7n b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c t\u00e1ch ri\u00eang v\u00ec nhi\u1ec1u \u1ee9ng vi\u00ean tr\u01b0\u1ee3t \u1edf \u0111\u00e2y.<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cl-wpml.careerlink.vn\/cam-nang-viec-lam\/wp-content\/uploads\/2026\/10\/28153159\/a-cau-hoi-phong-van-php-developer-1.png\" alt=\"c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n php developer\" style=\"max-width:100%;height:auto;\" \/><\/p>\n<div style=\"background:#e3f2fd;border-left:4px solid #1565c0;padding:15px 20px;margin:20px 0;border-radius:4px\">\n<p><strong>T\u1ed5ng quan nhanh<\/strong><\/p>\n<p>\u2013 \u0110\u1ecdc k\u1ef9 m\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c gi\u00fap b\u1ea1n \u0111o\u00e1n b\u1ed9 c\u00e2u h\u1ecfi thu\u1ed9c nh\u00e1nh Laravel hay WordPress.<\/p>\n<p>\u2013 C\u00e2u n\u1ec1n t\u1ea3ng th\u01b0\u1eddng xoay quanh PHP 8, so s\u00e1nh ki\u1ec3u d\u1eef li\u1ec7u, Composer v\u00e0 chu\u1ea9n PSR.<\/p>\n<p>\u2013 C\u00e2u b\u1ea3o m\u1eadt n\u00ean \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi b\u1eb1ng m\u1ed9t \u0111o\u1ea1n code an to\u00e0n ng\u1eafn thay v\u00ec \u0111\u1ecbnh ngh\u0129a.<\/p>\n<p>\u2013 C\u1ea5p senior hay b\u1ecb h\u1ecfi v\u1ec1 n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng PHP c\u0169, cache, h\u00e0ng \u0111\u1ee3i v\u00e0 hi\u1ec7u n\u0103ng.<\/p>\n<p>B\u1ed1n \u00fd n\u00e0y \u0111\u01b0\u1ee3c tri\u1ec3n khai l\u1ea7n l\u01b0\u1ee3t b\u00ean d\u01b0\u1edbi.<\/p>\n<\/div>\n<p>Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh b\u1ea1n \u0111ang \u1ee9ng tuy\u1ec3n v\u00e0o nh\u00e1nh n\u00e0o.<\/p>\n<h2>1. \u0110\u1ecdc JD \u0111\u1ec3 \u0111o\u00e1n b\u1ed9 c\u00e2u h\u1ecfi b\u1ea1n s\u1ebd g\u1eb7p<\/h2>\n<p>Th\u1ecb tr\u01b0\u1eddng PHP \u1edf Vi\u1ec7t Nam c\u00f3 th\u1ec3 chia th\u00e0nh hai nh\u00f3m. C\u00f4ng ty s\u1ea3n ph\u1ea9m v\u00e0 outsource l\u00e0m h\u1ec7 th\u1ed1ng m\u1edbi b\u1eb1ng Laravel ho\u1eb7c Symfony th\u01b0\u1eddng h\u1ecfi ki\u1ebfn tr\u00fac, ki\u1ec3m th\u1eed, hi\u1ec7u n\u0103ng. \u0110\u01a1n v\u1ecb l\u00e0m web d\u1ecbch v\u1ee5 tr\u00ean WordPress\/WooCommerce ho\u1eb7c b\u1ea3o tr\u00ec code th\u1eddi PHP 5 nghi\u00eang v\u1ec1 hook, plugin v\u00e0 code c\u0169. JD ghi &#8220;Laravel, PHPUnit&#8221; th\u00ec \u00f4n framework, ghi &#8220;theme, plugin&#8221; th\u00ec \u00f4n hook. \u0110\u1ec3 r\u00e0 l\u1ea1i b\u1ee9c tranh ngh\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc b\u00e0i <a href=\"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/tu-van-nghe-nghiep\/php-developer-la-gi-ky-nang-can-co-va-lo-trinh-thang-tien\" style=\"color:#1565c0;font-weight:600;text-decoration:underline\">PHP Developer l\u00e0 g\u00ec? K\u1ef9 n\u0103ng c\u1ea7n c\u00f3 v\u00e0 l\u1ed9 tr\u00ecnh th\u0103ng ti\u1ebfn<\/a>.<\/p>\n<p>M\u1ed9t c\u00e2u \u1edf c\u1ea3 hai nh\u00f3m nh\u01b0ng \u00edt t\u00e0i li\u1ec7u nh\u1eafc l\u00e0 &#8220;B\u1ea1n n\u00e2ng c\u1ea5p d\u1ef1 \u00e1n PHP 7.4 l\u00ean PHP 8 th\u1ebf n\u00e0o?&#8221;. Theo trang Supported Versions c\u1ee7a php.net, nh\u00e1nh 8.2 ch\u1ec9 c\u00f2n h\u1ed7 tr\u1ee3 b\u1ea3o m\u1eadt \u0111\u1ebfn h\u1ebft n\u0103m 2026. \u00dd tr\u1ea3 l\u1eddi n\u00ean c\u00f3: vi\u1ebft test bao ph\u1ee7 tr\u01b0\u1edbc, d\u00f9ng PHPStan v\u00e0 Rector d\u00f2 ch\u1ed7 kh\u00f4ng t\u01b0\u01a1ng th\u00edch, r\u1ed3i n\u00e2ng t\u1eebng b\u01b0\u1edbc.<\/p>\n<h2>2. Nh\u00f3m c\u00e2u n\u1ec1n t\u1ea3ng ng\u00f4n ng\u1eef PHP<\/h2>\n<p>\u0110\u00e2y l\u00e0 v\u00f2ng l\u1ecdc cho fresher v\u00e0 junior. Nh\u00e0 tuy\u1ec3n d\u1ee5ng mu\u1ed1n bi\u1ebft b\u1ea1n hi\u1ec3u c\u00e1ch PHP x\u1eed l\u00fd ki\u1ec3u d\u1eef li\u1ec7u hay ch\u1ec9 g\u00f5 theo m\u1eabu. C\u00e1c tin trong m\u1ee5c <a href=\"https:\/\/www.careerlink.vn\/viec-lam\/cntt-phan-mem\/19\" style=\"color:#1565c0;font-weight:600;text-decoration:underline\">vi\u1ec7c l\u00e0m CNTT &#8211; ph\u1ea7n m\u1ec1m<\/a> th\u01b0\u1eddng ghi r\u00f5 phi\u00ean b\u1ea3n PHP v\u00e0 framework trong ph\u1ea7n y\u00eau c\u1ea7u, \u0111\u00f3 l\u00e0 g\u1ee3i \u00fd \u0111\u1ec3 ch\u1ecdn ph\u1ea7n c\u1ea7n \u00f4n.<\/p>\n<h3>So s\u00e1nh v\u00e0 ki\u1ec3m tra gi\u00e1 tr\u1ecb<\/h3>\n<p>C\u00e2u `==` v\u00e0 `===` ki\u1ec3m tra hi\u1ec3u bi\u1ebft v\u1ec1 \u00e9p ki\u1ec3u ng\u1ea7m: `==` so s\u00e1nh sau khi chuy\u1ec3n ki\u1ec3u, `===` so s\u00e1nh c\u1ea3 ki\u1ec3u. T\u1eeb PHP 8, `0 == &#8220;abc&#8221;` tr\u1ea3 v\u1ec1 false thay v\u00ec true. C\u00e2u `isset`, `empty`, `is_null` hay \u0111i k\u00e8m: `isset` tr\u1ea3 false khi bi\u1ebfn null, `empty` coi `&#8221;0&#8243;` l\u00e0 r\u1ed7ng. Khai b\u00e1o `declare(strict_types=1)` t\u1eaft vi\u1ec7c t\u1ef1 \u00e9p ki\u1ec3u tham s\u1ed1 v\u00f4 h\u01b0\u1edbng.<\/p>\n<h3>T\u00ednh n\u0103ng PHP 8, OOP v\u00e0 Composer<\/h3>\n<p>H\u00e3y k\u1ec3 \u0111\u01b0\u1ee3c named arguments, `match`, to\u00e1n t\u1eed nullsafe, `enum` v\u00e0 `readonly`. V\u1edbi OOP, c\u1ea7n ph\u00e2n bi\u1ec7t interface (h\u1ee3p \u0111\u1ed3ng), abstract class (chia s\u1ebb code c\u00f3 tr\u1ea1ng th\u00e1i) v\u00e0 trait (t\u00e1i s\u1eed d\u1ee5ng h\u00e0m). \u00d4n th\u00eam autoload PSR-4 c\u1ee7a Composer, chu\u1ea9n PSR-12 ho\u1eb7c PER Coding Style, `include` v\u1edbi `require`, session v\u1edbi cookie.<\/p>\n<h2>3. B\u1ea3ng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n PHP developer theo c\u1ea5p<\/h2>\n<p>B\u1ea3ng d\u01b0\u1edbi gom t\u00e1m c\u00e2u theo c\u1ea5p, k\u00e8m \u0111i\u1ec1u ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n mu\u1ed1n ki\u1ec3m tra. \u0110\u00e2y l\u00e0 khung g\u1ee3i \u00fd, kh\u00f4ng ph\u1ea3i \u0111\u00e1p \u00e1n m\u1eabu. B\u1ea1n n\u00ean t\u1ef1 di\u1ec5n \u0111\u1ea1t b\u1eb1ng tr\u1ea3i nghi\u1ec7m c\u1ee7a m\u00ecnh.<\/p>\n<table class=\"table table-bordered table-striped\">\n<tr style=\"background:#1565c0;color:#fff\">\n<th>C\u00e2u h\u1ecfi<\/th>\n<th>C\u1ea5p th\u01b0\u1eddng g\u1eb7p<\/th>\n<th>Nh\u00e0 tuy\u1ec3n d\u1ee5ng mu\u1ed1n ki\u1ec3m tra g\u00ec<\/th>\n<th>\u00dd tr\u1ea3 l\u1eddi n\u00ean c\u00f3<\/th>\n<\/tr>\n<tr>\n<td>Kh\u00e1c nhau gi\u1eefa == v\u00e0 ===<\/td>\n<td>Fresher<\/td>\n<td>Hi\u1ec3u \u00e9p ki\u1ec3u ng\u1ea7m<\/td>\n<td>V\u00ed d\u1ee5 0 == &#8220;abc&#8221; \u0111\u1ed5i k\u1ebft qu\u1ea3 t\u1eeb PHP 8<\/td>\n<\/tr>\n<tr style=\"background:#f0f7ff\">\n<td>Autoload PSR-4 ho\u1ea1t \u0111\u1ed9ng ra sao<\/td>\n<td>Fresher, junior<\/td>\n<td>T\u1ed5 ch\u1ee9c d\u1ef1 \u00e1n b\u1eb1ng Composer<\/td>\n<td>Namespace \u00e1nh x\u1ea1 th\u01b0 m\u1ee5c trong composer.json<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ed1ng SQL Injection th\u1ebf n\u00e0o<\/td>\n<td>M\u1ecdi c\u1ea5p<\/td>\n<td>Vi\u1ebft \u0111\u01b0\u1ee3c code an to\u00e0n<\/td>\n<td>PDO prepared statements, kh\u00f4ng n\u1ed1i chu\u1ed7i<\/td>\n<\/tr>\n<tr style=\"background:#f0f7ff\">\n<td>V\u1ea5n \u0111\u1ec1 N+1 trong Eloquent<\/td>\n<td>Junior, middle<\/td>\n<td>\u0110\u1ecdc \u0111\u01b0\u1ee3c s\u1ed1 truy v\u1ea5n sinh ra<\/td>\n<td>Eager loading b\u1eb1ng with(), xem log truy v\u1ea5n<\/td>\n<\/tr>\n<tr>\n<td>Service container v\u00e0 dependency injection<\/td>\n<td>Middle<\/td>\n<td>T\u00e1ch ph\u1ee5 thu\u1ed9c \u0111\u1ec3 d\u1ec5 test<\/td>\n<td>Bind interface, inject qua constructor, mock khi test<\/td>\n<\/tr>\n<tr style=\"background:#f0f7ff\">\n<td>Khi n\u00e0o d\u00f9ng transaction v\u00e0 index<\/td>\n<td>Middle<\/td>\n<td>To\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 t\u1ed1c \u0111\u1ed9<\/td>\n<td>V\u00ed d\u1ee5 tr\u1eeb kho, d\u00f9ng EXPLAIN<\/td>\n<\/tr>\n<tr>\n<td>N\u00e2ng c\u1ea5p PHP 7.4 l\u00ean PHP 8<\/td>\n<td>Middle, senior<\/td>\n<td>Qu\u1ea3n l\u00fd r\u1ee7i ro t\u01b0\u01a1ng th\u00edch<\/td>\n<td>Vi\u1ebft test tr\u01b0\u1edbc, PHPStan, Rector, n\u00e2ng t\u1eebng b\u01b0\u1edbc<\/td>\n<\/tr>\n<tr style=\"background:#f0f7ff\">\n<td>Request thanh to\u00e1n b\u1ecb g\u1eedi l\u1eb7p<\/td>\n<td>Senior<\/td>\n<td>T\u01b0 duy idempotency v\u00e0 concurrency<\/td>\n<td>Kh\u00f3a idempotency, kh\u00f3a b\u1ea3n ghi, h\u00e0ng \u0111\u1ee3i<\/td>\n<\/tr>\n<\/table>\n<p>H\u00e3y k\u00e8m m\u1ed9t t\u00ecnh hu\u1ed1ng t\u1eebng g\u1eb7p, v\u00ec ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n hay h\u1ecfi ti\u1ebfp &#8220;\u1edf d\u1ef1 \u00e1n n\u00e0o&#8221;.<\/p>\n<h2>4. C\u00e2u h\u1ecfi b\u1ea3o m\u1eadt web: ph\u1ea7n d\u1ec5 b\u1ecb lo\u1ea1i<\/h2>\n<p>Nhi\u1ec1u \u1ee9ng vi\u00ean thu\u1ed9c \u0111\u1ecbnh ngh\u0129a l\u1ed7 h\u1ed5ng trong OWASP Top 10 nh\u01b0ng l\u00fang t\u00fang khi ph\u1ea3i vi\u1ebft code ph\u00f2ng tr\u00e1nh. Ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n th\u01b0\u1eddng \u0111\u01b0a \u0111o\u1ea1n code n\u1ed1i chu\u1ed7i truy v\u1ea5n r\u1ed3i h\u1ecfi l\u1ed7i \u1edf \u0111\u00e2u. H\u00e3y ch\u1ec9 ra l\u1ed7i, r\u1ed3i vi\u1ebft l\u1ea1i v\u00e0i d\u00f2ng an to\u00e0n ngay t\u1ea1i ch\u1ed7.<\/p>\n<p>\u2013 V\u1edbi SQL Injection, b\u1ea1n vi\u1ebft `$stmt = $pdo->prepare(&#8216;SELECT * FROM users WHERE email = ?&#8217;); $stmt->execute([$email]);` thay cho n\u1ed1i chu\u1ed7i.<\/p>\n<p>\u2013 V\u1edbi m\u1eadt kh\u1ea9u, b\u1ea1n l\u01b0u b\u1eb1ng `password_hash($pass, PASSWORD_DEFAULT)` v\u00e0 ki\u1ec3m tra b\u1eb1ng `password_verify`, kh\u00f4ng d\u00f9ng md5.<\/p>\n<p>\u2013 V\u1edbi XSS, b\u1ea1n tho\u00e1t d\u1eef li\u1ec7u \u0111\u1ea7u ra b\u1eb1ng `htmlspecialchars` ho\u1eb7c c\u00fa ph\u00e1p escape m\u1eb7c \u0111\u1ecbnh c\u1ee7a Blade.<\/p>\n<p>\u2013 V\u1edbi CSRF, b\u1ea1n gi\u1ea3i th\u00edch token \u1ea9n trong form v\u00e0 middleware ki\u1ec3m tra token c\u1ee7a Laravel.<\/p>\n<p>B\u1ed1n v\u00ed d\u1ee5 n\u00e0y vi\u1ebft \u0111\u01b0\u1ee3c trong v\u00e0i ph\u00fat.<\/p>\n<div style=\"background:#fff3e0;border-left:4px solid #ff9800;padding:15px 20px;margin:20px 0;border-radius:4px\">\n<p><strong>L\u01b0u \u00fd khi tr\u1ea3 l\u1eddi c\u00e2u b\u1ea3o m\u1eadt<\/strong><\/p>\n<p>\u0110\u1eebng n\u00f3i &#8220;framework lo h\u1ebft r\u1ed3i&#8221; m\u00e0 kh\u00f4ng gi\u1ea3i th\u00edch c\u01a1 ch\u1ebf. Ng\u01b0\u1eddi ph\u1ecfng v\u1ea5n c\u00f3 th\u1ec3 h\u1ecfi ti\u1ebfp v\u1ec1 `DB::raw()` ho\u1eb7c truy v\u1ea5n vi\u1ebft tay.<\/p>\n<\/div>\n<p>Ti\u1ebfp theo th\u01b0\u1eddng l\u00e0 framework v\u00e0 d\u1eef li\u1ec7u.<\/p>\n<h2>5. Laravel, c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u00e2u h\u1ecfi c\u1ea5p senior<\/h2>\n<p>V\u1edbi Laravel, c\u00e2u quen thu\u1ed9c g\u1ed3m v\u00f2ng \u0111\u1eddi request, middleware, service container, Eloquent v\u00e0 queue. Laravel 13 ph\u00e1t h\u00e0nh th\u00e1ng 3\/2026, y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u PHP 8.3, n\u00ean h\u00e3y bi\u1ebft d\u1ef1 \u00e1n c\u0169 c\u1ee7a m\u00ecnh ch\u1ea1y b\u1ea3n n\u00e0o. Symfony th\u01b0\u1eddng ch\u1ec9 h\u1ecfi m\u1ee9c nh\u1eadn bi\u1ebft nh\u01b0 bundle, Doctrine. C\u00e2u MySQL\/MariaDB xoay quanh index, transaction, truy v\u1ea5n ch\u1eadm; Redis xu\u1ea5t hi\u1ec7n khi b\u00e0n v\u1ec1 cache v\u00e0 h\u00e0ng \u0111\u1ee3i.<\/p>\n<h3>C\u00e2u d\u00e0nh cho middle v\u00e0 senior<\/h3>\n<p>Middle hay b\u1ecb h\u1ecfi c\u00e1ch vi\u1ebft test b\u1eb1ng PHPUnit ho\u1eb7c Pest v\u00e0 x\u1eed l\u00fd exception t\u1eadp trung. Senior chuy\u1ec3n sang thi\u1ebft k\u1ebf: khi n\u00e0o x\u00f3a cache, l\u00e0m sao tr\u00e1nh hai ti\u1ebfn tr\u00ecnh c\u00f9ng tr\u1eeb m\u1ed9t t\u1ed3n kho.<\/p>\n<h3>Nh\u00e1nh WordPress v\u00e0 WooCommerce<\/h3>\n<p>V\u1edbi web d\u1ecbch v\u1ee5, h\u00e3y \u00f4n action hook v\u1edbi filter hook, c\u00e1ch vi\u1ebft plugin nh\u1ecf v\u00e0 l\u00fd do d\u00f9ng theme con.<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cl-wpml.careerlink.vn\/cam-nang-viec-lam\/wp-content\/uploads\/2026\/10\/28153205\/a-cau-hoi-phong-van-php-developer-2.png\" alt=\"c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n php developer\" style=\"max-width:100%;height:auto;\" \/><\/p>\n<h2>6. B\u00e0i test th\u1ef1c h\u00e0nh v\u00e0 c\u00e1ch chu\u1ea9n b\u1ecb<\/h2>\n<p>B\u00e0i test ph\u1ed5 bi\u1ebfn c\u00f3 hai d\u1ea1ng: vi\u1ebft m\u1ed9t API CRUD nh\u1ecf trong th\u1eddi gian gi\u1edbi h\u1ea1n, ho\u1eb7c s\u1eeda l\u1ed7i trong \u0111o\u1ea1n code c\u00f3 s\u1eb5n. Ng\u01b0\u1eddi ch\u1ea5m th\u01b0\u1eddng xem c\u00e1ch \u0111\u1eb7t t\u00ean, t\u00e1ch l\u1edbp v\u00e0 ki\u1ec3m tra \u0111\u1ea7u v\u00e0o h\u01a1n s\u1ed1 t\u00ednh n\u0103ng. N\u1ebfu kh\u00f4ng k\u1ecbp, h\u00e3y ghi r\u00f5 ph\u1ea7n c\u00f2n thi\u1ebfu.<\/p>\n<blockquote>\n<p><em>M\u1ed9t b\u00e0i test d\u1edf dang nh\u01b0ng gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng th\u01b0\u1eddng c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n m\u1ed9t b\u00e0i ch\u1ea1y \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng ai hi\u1ec3u v\u00ec sao.<\/em><\/p>\n<\/blockquote>\n<div style=\"background:#e8f5e9;border-left:4px solid #4caf50;padding:15px 20px;margin:20px 0;border-radius:4px\">\n<p><strong>L\u1eddi khuy\u00ean chu\u1ea9n b\u1ecb trong m\u1ed9t tu\u1ea7n<\/strong><\/p>\n<p>\u2013 B\u1ea1n n\u00ean d\u1ef1ng l\u1ea1i m\u1ed9t API CRUD b\u1eb1ng Laravel k\u00e8m v\u00e0i test \u0111\u1ec3 luy\u1ec7n t\u1ed1c \u0111\u1ed9.<\/p>\n<p>\u2013 B\u1ea1n h\u00e3y vi\u1ebft tay \u0111o\u1ea1n PDO v\u00e0 password_hash cho t\u1edbi khi kh\u00f4ng c\u1ea7n tra c\u1ee9u.<\/p>\n<p>\u2013 B\u1ea1n n\u00ean ch\u1ecdn m\u1ed9t d\u1ef1 \u00e1n c\u0169 \u0111\u1ec3 k\u1ec3 l\u1ea1i c\u00e1ch m\u00ecnh s\u1eeda truy v\u1ea5n ch\u1eadm.<\/p>\n<p>Ba vi\u1ec7c n\u00e0y bao ph\u1ee7 ph\u1ea7n l\u1edbn v\u00f2ng k\u1ef9 thu\u1eadt \u0111\u1ea7u.<\/p>\n<\/div>\n<p>Cu\u1ed1i c\u00f9ng l\u00e0 v\u00e0i th\u1eafc m\u1eafc th\u01b0\u1eddng g\u1eb7p.<\/p>\n<h2>7. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p><strong><em>1. Fresher PHP c\u00f3 c\u1ea7n bi\u1ebft Laravel kh\u00f4ng?<\/em><\/strong> Kh\u00f4ng b\u1eaft bu\u1ed9c, nh\u01b0ng nhi\u1ec1u JD nh\u00e1nh s\u1ea3n ph\u1ea9m c\u00f3 ghi Laravel.<\/p>\n<p><strong><em>2. Ph\u1ecfng v\u1ea5n PHP c\u00f3 h\u1ecfi thu\u1eadt to\u00e1n kh\u00f4ng?<\/em><\/strong> C\u00f3 th\u1ec3 c\u00f3 v\u00e0i b\u00e0i c\u01a1 b\u1ea3n v\u1ec1 m\u1ea3ng v\u00e0 chu\u1ed7i.<\/p>\n<p><strong><em>3. N\u00ean \u00f4n PHP 8 \u0111\u1ebfn phi\u00ean b\u1ea3n n\u00e0o?<\/em><\/strong> N\u00ean n\u1eafm t\u00ednh n\u0103ng t\u1eeb 8.0 \u0111\u1ebfn 8.3 v\u00e0 bi\u1ebft nh\u00e1nh n\u00e0o c\u00f2n \u0111\u01b0\u1ee3c php.net h\u1ed7 tr\u1ee3.<\/p>\n<p>M\u1ed9t bu\u1ed5i ph\u1ecfng v\u1ea5n PHP kh\u00f4ng ch\u1ec9 \u0111o tr\u00ed nh\u1edb c\u00fa ph\u00e1p m\u00e0 c\u00f2n \u0111o c\u00e1ch b\u1ea1n x\u1eed l\u00fd d\u1eef li\u1ec7u, b\u1ea3o m\u1eadt v\u00e0 h\u1ec7 th\u1ed1ng th\u1eadt. Khi \u00f4n <strong>c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n PHP developer<\/strong>, h\u00e3y \u0111\u1ecdc JD \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u00e1nh Laravel hay WordPress, luy\u1ec7n vi\u1ebft code an to\u00e0n ng\u1eafn v\u00e0 chu\u1ea9n b\u1ecb m\u1ed9t c\u00e2u chuy\u1ec7n n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng. K\u1ebft qu\u1ea3 m\u1ed7i v\u00f2ng c\u00f2n t\u00f9y y\u00eau c\u1ea7u doanh nghi\u1ec7p v\u00e0 n\u0103ng l\u1ef1c th\u1ef1c t\u1ebf.<\/p>\n<p><em>B\u00e0i vi\u1ebft mang t\u00ednh tham kh\u1ea3o; phi\u00ean b\u1ea3n PHP, Laravel v\u00e0 y\u00eau c\u1ea7u tuy\u1ec3n d\u1ee5ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i, b\u1ea1n n\u00ean \u0111\u1ed1i chi\u1ebfu t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c v\u00e0 JD c\u1ee7a t\u1eebng doanh nghi\u1ec7p.<\/em><\/p>\n<p><em>Minh An<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f9ng l\u00e0 v\u1ecb tr\u00ed L\u1eadp tr\u00ecnh vi\u00ean PHP (PHP Developer), c\u00f4ng ty s\u1ea3n ph\u1ea9m d\u00f9ng Laravel v\u00e0 \u0111\u01a1n v\u1ecb l\u00e0m web WordPress s\u1ebd h\u1ecfi hai &#8230;<\/p>\n","protected":false},"author":58,"featured_media":31925,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":["post-31945","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phong-van-viec-lam"],"_links":{"self":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts\/31945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/comments?post=31945"}],"version-history":[{"count":1,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts\/31945\/revisions"}],"predecessor-version":[{"id":31946,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/posts\/31945\/revisions\/31946"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/media\/31925"}],"wp:attachment":[{"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/media?parent=31945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/categories?post=31945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.careerlink.vn\/cam-nang-viec-lam\/wp-json\/wp\/v2\/tags?post=31945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}