{"id":487,"date":"2023-01-23T10:52:22","date_gmt":"2023-01-23T01:52:22","guid":{"rendered":"https:\/\/blog.dozzing.kr\/?p=487"},"modified":"2025-10-24T11:30:44","modified_gmt":"2025-10-24T02:30:44","slug":"php-%ec%b9%b4%ed%85%8c%ea%b3%a0%eb%a6%ac%ec%97%90-%ea%b8%80-%ea%b0%9c%ec%88%98-%ec%b6%94%ea%b0%80%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/blog.dozzing.kr\/?p=487","title":{"rendered":"[PHP] \uce74\ud14c\uace0\ub9ac\uc5d0 \uae00 \uac1c\uc218 \ucd94\uac00\ud558\uae30"},"content":{"rendered":"<h2>\ud83d\udcab \ube14\ub85c\uadf8 \uce74\ud14c\uace0\ub9ac\ubcc4 \uae00 \uac1c\uc218 \ucd94\uac00\ud558\uae30<\/h2>\n<p>DB\uc5d0 \uc774\ubbf8 \uce74\ud14c\uace0\ub9ac\ubcc4 count\ub97c \uacc4\uc0b0\ud55c \uceec\ub7fc\uc774 \uc788\uc5b4\uc11c PHP \ud30c\uc77c\uc744 \uc0c8\ub85c \uc0dd\uc131\ud574\uc11c Json\uc73c\ub85c \ubc18\ud658 \ud6c4, \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc774\uc6a9\ud574\uc11c \uce74\ud14c\uace0\ub9ac \uc606\uc5d0 \uc22b\uc790\ub97c \uc801\uc5b4\uc904 \uc608\uc815\uc774\ub2e4 !<br \/>\n\u00a0<\/p>\n<h2>\ud83d\udcab \ucf54\ub4dc<\/h2>\n<pre><code class=\"language-PHP line-numbers\">&lt;?php\n<span class=\"katex math inline\">host = \"\";    \/\/ MySQL \ud638\uc2a4\ud2b8 \uc774\ub984<\/span>user = \"\";     \/\/ MySQL \uacc4\uc815 \uc544\uc774\ub514\n<span class=\"katex math inline\">pw = \"\";       \/\/ MySQL \uacc4\uc815 \ube44\ubc00\ubc88\ud638<\/span>dbName = \"\"; \/\/ MySQL \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ub984\n\n\/\/ MySQL \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\n<span class=\"katex math inline\">db = new mysqli(<\/span>host, <span class=\"katex math inline\">user,<\/span>pw, <span class=\"katex math inline\">dbName);<\/span>db-&gt;set_charset(\"utf8\");\n\nfunction mq(<span class=\"katex math inline\">cat) \/\/<\/span>cat: \uce74\ud14c\uace0\ub9ac \uc544\uc774\ub514\n{\n    global <span class=\"katex math inline\">db;<\/span>cat = (int)<span class=\"katex math inline\">cat; \/\/<\/span>cat\uc740 \uc22b\uc790\ub9cc \ubc1b\uc744\uac70\ub2c8\uae4c int\ub85c \ud0c0\uc785\uce90\uc2a4\ud305\n    <span class=\"katex math inline\">query = \"SELECT count FROM wp_term_taxonomy WHERE term_taxonomy_id={<\/span>cat}\";\n    <span class=\"katex math inline\">result =<\/span>db-&gt;query(<span class=\"katex math inline\">query); \/\/\ucffc\ub9ac \uc2e4\ud589<\/span>count = <span class=\"katex math inline\">result-&gt;fetch_array()['count']; \/\/\ubcc0\uc218\uc5d0 \ucffc\ub9ac \uacb0\uacfc \uc800\uc7a5\n    return<\/span>count; \/\/ \ucffc\ub9ac \uacb0\uacfc \ubc18\ud658\n}\n\n\/\/\ucffc\ub9ac \uacb0\uacfc \ubcc0\uc218\uc5d0 \uc800\uc7a5\n<span class=\"katex math inline\">blog_count = mq(1);<\/span>php_count = mq(3);\n<span class=\"katex math inline\">database_count = mq(4);<\/span>c_count = mq(5);\n<span class=\"katex math inline\">sql_count = mq(9);<\/span>javascript_count = mq(30);\n<span class=\"katex math inline\">web_count = mq(33);<\/span>results = array(\n    'Blog' =&gt; <span class=\"katex math inline\">blog_count,\n    'PHP' =&gt;<\/span>php_count,\n    'Database' =&gt; <span class=\"katex math inline\">database_count,\n    'C#' =&gt;<\/span>c_count,\n    'SQL' =&gt; <span class=\"katex math inline\">sql_count,\n    'JAVASCRIPT' =&gt;<\/span>javascript_count,\n    'WEB' =&gt; <span class=\"katex math inline\">web_count\n);\n\/\/json \ucd9c\ub825\necho json_encode(<\/span>results);\n?&gt;\n<\/code><\/pre>\n<p>\u00a0<\/p>\n<h2>\ud83d\udcab \ucf54\ub4dc\uc5d0\uc11c \uc774\ud574\uac00 \uc548\uac14\ub358 \ubd80\ubd84<\/h2>\n<pre><code class=\"language-php line-numbers\">$count = $result-&gt;fetch_array()['count'];\n<\/code><\/pre>\n<ul>\n<li><code>$result<\/code>: \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac \uacb0\uacfc\ub97c \uc800\uc7a5\ud558\ub294 \uac1d\uccb4<\/li>\n<li><code>fetch_array()<\/code>: \uacb0\uacfc \uc9d1\ud569\uc5d0\uc11c \ud55c \ud589(row)\uc744 \uc5f0\uad00 \ubc30\uc5f4(associative array) \ub610\ub294 \uc22b\uc790 \uc778\ub371\uc2a4 \ubc30\uc5f4\ub85c \uac00\uc838\uc624\ub294 \uba54\uc11c\ub4dc<\/li>\n<li><code>['count']<\/code>: \uac00\uc838\uc628 \ubc30\uc5f4\uc5d0\uc11c <code>count<\/code>\ub77c\ub294 \ud0a4\uc758 \uac12\uc744 \ucd94\ucd9c<\/li>\n<li>\ucd5c\uc885\uc801\uc73c\ub85c <code>$count<\/code> \ubcc0\uc218\uc5d0\ub294 \ucffc\ub9ac \uacb0\uacfc\uc5d0\uc11c \ubc18\ud658\ub41c <code>count<\/code> \uac12\uc774 \uc800\uc7a5<br \/>\n\u00a0<\/li>\n<\/ul>\n<h2>\ud83d\udcab fetch_array()<\/h2>\n<p><code>fetch_array()<\/code> \uba54\uc11c\ub4dc\ub294 MySQLi \ud655\uc7a5\uc5d0\uc11c \uc81c\uacf5, \uacb0\uacfc \uc9d1\ud569\uc5d0\uc11c \ud55c \ud589\uc744 \ubc30\uc5f4 \ud615\ud0dc\ub85c \ubc18\ud658<\/p>\n<pre><code class=\"language-php line-numbers\">$row = $result-&gt;fetch_array();\n<\/code><\/pre>\n<h5>\ub9ac\ud134 \uac12<\/h5>\n<ul>\n<li>\uc131\uacf5 \uc2dc: \ud604\uc7ac \ud589 \ub370\uc774\ud130\ub97c \ud3ec\ud568\ud558\ub294 \ubc30\uc5f4(\uc5f0\uad00 \ubc30\uc5f4 \ubc0f \uc22b\uc790 \ubc30\uc5f4\uc744 \ud3ec\ud568 \uac00\ub2a5)<\/li>\n<li>\uc2e4\ud328 \uc2dc: <code>null<\/code> \ub610\ub294 <code>false<\/code> \ubc18\ud658 (\ub354 \uc774\uc0c1 \uac00\uc838\uc62c \ud589\uc774 \uc5c6\uc744 \uacbd\uc6b0)<\/li>\n<\/ul>\n<h5>\uc8fc\uc694 \ud2b9\uc9d5<\/h5>\n<ul>\n<li>\ubc30\uc5f4 \ud615\ud0dc\ub85c \ub370\uc774\ud130\ub97c \uac00\uc838\uc624\ubbc0\ub85c \uc5f0\uad00 \ud0a4(<code>$row['column_name']<\/code>)\ub098 \uc22b\uc790 \uc778\ub371\uc2a4(<code>$row[0]<\/code>)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc811\uadfc\ud560 \uc218 \uc788\uc74c.<\/li>\n<li>\uc5ec\ub7ec \uac00\uc9c0 \ud50c\ub798\uadf8 \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6d0\ud558\ub294 \ud615\uc2dd\uc758 \ubc30\uc5f4\uc744 \ubc18\ud658\ud560 \uc218 \uc788\uc74c.<\/li>\n<\/ul>\n<hr \/>\n<h2>\ud83d\udcab <code>fetch_array()<\/code>\uc758 \uc635\uc158(\ub9e4\uac1c\ubcc0\uc218)<\/h2>\n<p><code>fetch_array()<\/code> \uba54\uc11c\ub4dc\ub294 \ud558\ub098\uc758 \uc120\ud0dd\uc801 \uc778\uc218\ub97c \ubc1b\uc744 \uc218 \uc788\uc73c\uba70, \uc774 \uc778\uc218\ub97c \ud1b5\ud574 \ubc18\ud658\ub418\ub294 \ubc30\uc5f4 \uc720\ud615\uc9c0\uc815 \uac00\ub2a5.<\/p>\n<ol>\n<li><code>MYSQLI_ASSOC<\/code> \u2013 \uc5f0\uad00 \ubc30\uc5f4(\uceec\ub7fc\uba85\uc744 \ud0a4\ub85c \uc0ac\uc6a9)<\/li>\n<\/ol>\n<pre><code class=\"language-php line-numbers\">$row = $result-&gt;fetch_array(MYSQLI_ASSOC);\necho $row['name'];  \/\/ \uc5f0\uad00 \ud0a4\ub85c \uc811\uadfc\n<\/code><\/pre>\n<ol start=\"2\">\n<li><code>MYSQLI_NUM<\/code> \u2013 \uc22b\uc790 \uc778\ub371\uc2a4 \ubc30\uc5f4(0\ubd80\ud130 \uc2dc\uc791\ud558\ub294 \uc778\ub371\uc2a4 \uc0ac\uc6a9)<\/li>\n<\/ol>\n<pre><code class=\"language-php line-numbers\">$row = $result-&gt;fetch_array(MYSQLI_NUM);\necho $row[0];  \/\/ \uc22b\uc790 \uc778\ub371\uc2a4\ub85c \uc811\uadfc\n<\/code><\/pre>\n<ol start=\"3\">\n<li><code>MYSQLI_BOTH<\/code> (\uae30\ubcf8\uac12) \u2013 \uc5f0\uad00 \ubc0f \uc22b\uc790 \ubc30\uc5f4 \ubaa8\ub450 \ubc18\ud658<\/li>\n<\/ol>\n<pre><code class=\"language-php line-numbers\">$row = $result-&gt;fetch_array(MYSQLI_BOTH);\necho $row['name'];  \/\/ \uc5f0\uad00 \ud0a4\ub85c \uc811\uadfc\necho $row[0];       \/\/ \uc22b\uc790 \uc778\ub371\uc2a4\ub85c \uc811\uadfc\n<\/code><\/pre>\n<h2>\ud83d\udcab <code>fetch_array()<\/code>\uc640 \ub2e4\ub978 \uba54\uc11c\ub4dc \ube44\uad50<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uba54\uc11c\ub4dc<\/th>\n<th>\uc124\uba85<\/th>\n<th>\ubc18\ud658 \ud615\uc2dd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>fetch_array()<\/code><\/td>\n<td>\uc5f0\uad00 \ubc0f \uc22b\uc790 \ubc30\uc5f4 \ubc18\ud658 \uac00\ub2a5<\/td>\n<td>\ubc30\uc5f4<\/td>\n<\/tr>\n<tr>\n<td><code>fetch_assoc()<\/code><\/td>\n<td>\uc5f0\uad00 \ubc30\uc5f4\ub9cc \ubc18\ud658(\uceec\ub7fc\uba85\uc744 \ud0a4\ub85c \uc0ac\uc6a9)<\/td>\n<td>\uc5f0\uad00 \ubc30\uc5f4(Associative Array)<\/td>\n<\/tr>\n<tr>\n<td><code>fetch_row()<\/code><\/td>\n<td>\uc22b\uc790 \uc778\ub371\uc2a4 \ubc30\uc5f4\ub9cc \ubc18\ud658<\/td>\n<td>\uc22b\uc790 \ubc30\uc5f4(Numeric Array)<\/td>\n<\/tr>\n<tr>\n<td><code>fetch_object()<\/code><\/td>\n<td>\uac1d\uccb4 \ud615\ud0dc\ub85c \ubc18\ud658(\uc18d\uc131\uc73c\ub85c \uc811\uadfc \uac00\ub2a5)<\/td>\n<td>\uac1d\uccb4(Object)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udcab \ube14\ub85c\uadf8 \uce74\ud14c\uace0\ub9ac\ubcc4 \uae00 \uac1c\uc218 \ucd94\uac00\ud558\uae30 DB\uc5d0 \uc774\ubbf8 \uce74\ud14c\uace0\ub9ac\ubcc4 count\ub97c \uacc4\uc0b0\ud55c \uceec\ub7fc\uc774 \uc788\uc5b4\uc11c PHP \ud30c\uc77c\uc744 \uc0c8\ub85c \uc0dd\uc131\ud574\uc11c Json\uc73c\ub85c \ubc18\ud658 \ud6c4, \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc774\uc6a9\ud574\uc11c \uce74\ud14c\uace0\ub9ac \uc606\uc5d0 \uc22b\uc790\ub97c \uc801\uc5b4\uc904 \uc608\uc815\uc774\ub2e4 ! \u00a0 \ud83d\udcab \ucf54\ub4dc &lt;?php host = &#8220;&#8221;; \/\/ MySQL \ud638\uc2a4\ud2b8 \uc774\ub984user = &#8220;&#8221;; \/\/ MySQL \uacc4\uc815 \uc544\uc774\ub514 pw = &#8220;&#8221;; \/\/ MySQL \uacc4\uc815 \ube44\ubc00\ubc88\ud638dbName = &#8220;&#8221;; \/\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51,3,33],"tags":[55],"class_list":["post-487","post","type-post","status-publish","format-standard","hentry","category-backend","category-php","category-web","tag-php"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[PHP] \uce74\ud14c\uace0\ub9ac\uc5d0 \uae00 \uac1c\uc218 \ucd94\uac00\ud558\uae30 - Dozzing World<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.dozzing.kr\/?p=487\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[PHP] \uce74\ud14c\uace0\ub9ac\uc5d0 \uae00 \uac1c\uc218 \ucd94\uac00\ud558\uae30 - Dozzing World\" \/>\n<meta property=\"og:description\" content=\"\ud83d\udcab \ube14\ub85c\uadf8 \uce74\ud14c\uace0\ub9ac\ubcc4 \uae00 \uac1c\uc218 \ucd94\uac00\ud558\uae30 DB\uc5d0 \uc774\ubbf8 \uce74\ud14c\uace0\ub9ac\ubcc4 count\ub97c \uacc4\uc0b0\ud55c \uceec\ub7fc\uc774 \uc788\uc5b4\uc11c PHP \ud30c\uc77c\uc744 \uc0c8\ub85c \uc0dd\uc131\ud574\uc11c Json\uc73c\ub85c \ubc18\ud658 \ud6c4, \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc774\uc6a9\ud574\uc11c \uce74\ud14c\uace0\ub9ac \uc606\uc5d0 \uc22b\uc790\ub97c \uc801\uc5b4\uc904 \uc608\uc815\uc774\ub2e4 ! \u00a0 \ud83d\udcab \ucf54\ub4dc &lt;?php host = &quot;&quot;; 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