{"id":1200,"date":"2024-11-07T19:24:13","date_gmt":"2024-11-07T22:24:13","guid":{"rendered":"https:\/\/micheladrianomedeiros.com.br\/blog\/?p=1200"},"modified":"2024-11-07T19:24:59","modified_gmt":"2024-11-07T22:24:59","slug":"php_e_sintaxe_basica","status":"publish","type":"post","link":"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/","title":{"rendered":"PHP e Sintaxe B\u00e1sica"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-07-19.07.03-An-educational-image-illustrating-a-basic-PHP-lesson.-It-includes-a-simple-PHP-code-snippet-example-displaying-Hello-World-with-comments-explainin.jpg\" alt=\"PHP e Sintaxe B\u00e1sica\" class=\"wp-image-1202\" srcset=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-07-19.07.03-An-educational-image-illustrating-a-basic-PHP-lesson.-It-includes-a-simple-PHP-code-snippet-example-displaying-Hello-World-with-comments-explainin.jpg 1024w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-07-19.07.03-An-educational-image-illustrating-a-basic-PHP-lesson.-It-includes-a-simple-PHP-code-snippet-example-displaying-Hello-World-with-comments-explainin-300x300.jpg 300w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-07-19.07.03-An-educational-image-illustrating-a-basic-PHP-lesson.-It-includes-a-simple-PHP-code-snippet-example-displaying-Hello-World-with-comments-explainin-150x150.jpg 150w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-07-19.07.03-An-educational-image-illustrating-a-basic-PHP-lesson.-It-includes-a-simple-PHP-code-snippet-example-displaying-Hello-World-with-comments-explainin-768x768.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#Licao_1_Introducao_ao_PHP_e_Sintaxe_Basica\" >Li\u00e7\u00e3o 1: Introdu\u00e7\u00e3o ao PHP e Sintaxe B\u00e1sica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#1_O_que_e_PHP\" >1. O que \u00e9 PHP?<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#Caracteristicas_principais\" >Caracter\u00edsticas principais<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#2_Configuracao_do_Ambiente_de_Desenvolvimento\" >2. Configura\u00e7\u00e3o do Ambiente de Desenvolvimento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#3_Escrevendo_o_Primeiro_Codigo_em_PHP\" >3. Escrevendo o Primeiro C\u00f3digo em PHP<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#Explicacao_do_codigo\" >Explica\u00e7\u00e3o do c\u00f3digo<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#4_Executando_o_Codigo_no_Navegador\" >4. Executando o C\u00f3digo no Navegador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#5_Comentarios_no_Codigo\" >5. Coment\u00e1rios no C\u00f3digo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/php_e_sintaxe_basica\/#Links\" >Links<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Licao_1_Introducao_ao_PHP_e_Sintaxe_Basica\"><\/span><strong>Li\u00e7\u00e3o 1: Introdu\u00e7\u00e3o ao PHP e Sintaxe B\u00e1sica<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Objetivo:<\/strong> Familiarizar-se com o PHP, compreender suas aplica\u00e7\u00f5es e aprender a escrever e executar seu primeiro c\u00f3digo PHP.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_O_que_e_PHP\"><\/span>1. O que \u00e9 PHP?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>PHP (Hypertext Preprocessor) \u00e9 uma linguagem de script do lado do servidor amplamente usada para desenvolvimento web. Com PHP, \u00e9 poss\u00edvel criar p\u00e1ginas din\u00e2micas, interativas e integradas a bancos de dados. Como o PHP \u00e9 executado no servidor, os usu\u00e1rios finais veem apenas o resultado da execu\u00e7\u00e3o no navegador.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Caracteristicas_principais\"><\/span>Caracter\u00edsticas principais<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00f3digo aberto e gratuito<\/strong>, acess\u00edvel para desenvolvedores de todos os n\u00edveis.<\/li>\n\n\n\n<li><strong>Integra-se facilmente com HTML, CSS e JavaScript<\/strong>, tornando-o uma excelente escolha para desenvolvimento web.<\/li>\n\n\n\n<li><strong>Suporta uma ampla variedade de bancos de dados<\/strong>, o que o torna vers\u00e1til para diferentes aplica\u00e7\u00f5es.<\/li>\n\n\n\n<li><strong>Ideal para construir aplica\u00e7\u00f5es web, sites din\u00e2micos e APIs<\/strong>, entre outras finalidades.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Configuracao_do_Ambiente_de_Desenvolvimento\"><\/span>2. Configura\u00e7\u00e3o do Ambiente de Desenvolvimento<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Para come\u00e7ar a programar em PHP, voc\u00ea precisar\u00e1 de um servidor web com suporte a PHP, como o Apache, e de um interpretador de PHP. Aqui est\u00e3o algumas op\u00e7\u00f5es para configurar o ambiente:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>XAMPP ou WAMP<\/strong>: Pacotes que incluem Apache, MySQL e PHP, facilitando a instala\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Servidor Local<\/strong>: Caso prefira, voc\u00ea tamb\u00e9m pode configurar Apache e PHP manualmente.<\/li>\n\n\n\n<li><strong>PHP CLI<\/strong>: Permite testar o PHP diretamente na linha de comando, uma op\u00e7\u00e3o pr\u00e1tica para scripts simples.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Escrevendo_o_Primeiro_Codigo_em_PHP\"><\/span>3. Escrevendo o Primeiro C\u00f3digo em PHP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Agora, vamos escrever nosso primeiro c\u00f3digo. Crie um arquivo chamado <code>primeiro_codigo.php<\/code> e adicione o seguinte c\u00f3digo:<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:php decode:true \" >&lt;?php\n\/\/ Este \u00e9 o meu primeiro c\u00f3digo em PHP\necho \"Ol\u00e1, Mundo!\";\n?&gt;\n<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Explicacao_do_codigo\"><\/span>Explica\u00e7\u00e3o do c\u00f3digo<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>&lt;?php e ?><\/strong>: Marcam o in\u00edcio e o fim do c\u00f3digo PHP.<\/li>\n\n\n\n<li><strong>echo<\/strong>: Comando que exibe texto ou resultados no navegador.<\/li>\n\n\n\n<li><strong>&#8220;Ol\u00e1, Mundo!&#8221;<\/strong>: O texto exibido na tela.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Executando_o_Codigo_no_Navegador\"><\/span>4. Executando o C\u00f3digo no Navegador<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Para ver o c\u00f3digo funcionando, siga estes passos:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Salve o arquivo <code>primeiro_codigo.php<\/code> na pasta de projetos do seu servidor local.<\/li>\n\n\n\n<li>No navegador, acesse o arquivo, digitando o endere\u00e7o correspondente. Por exemplo: <code>http:\/\/localhost\/primeiro_codigo.php<\/code>.<\/li>\n\n\n\n<li>Se tudo estiver configurado corretamente, voc\u00ea ver\u00e1 \u201cOl\u00e1, Mundo!\u201d exibido na tela.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Comentarios_no_Codigo\"><\/span>5. Coment\u00e1rios no C\u00f3digo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Coment\u00e1rios s\u00e3o fundamentais para documentar e entender o c\u00f3digo. No PHP, voc\u00ea pode comentar de duas formas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Coment\u00e1rio de linha \u00fanica<\/strong>: <code>\/\/ Este \u00e9 um coment\u00e1rio de linha \u00fanica<\/code><\/li>\n\n\n\n<li><strong>Coment\u00e1rio de bloco<\/strong>: <code>\/* Este \u00e9 um coment\u00e1rio de m\u00faltiplas linhas *\/<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Links\"><\/span>Links<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong><a href=\"https:\/\/go.hotmart.com\/O96471210T\" target=\"_blank\" rel=\"noreferrer noopener\">Torne-se Desenvolvedor Full Stack Laravel e domine o mercado de desenvolvimento web<\/a><\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/transforme-seu-github-profile-em-um-profile-professional\/\" target=\"_blank\" rel=\"noreferrer noopener\">Transforme seu GitHub Profile em um Profile Professional<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Li\u00e7\u00e3o 1: Introdu\u00e7\u00e3o ao PHP e Sintaxe B\u00e1sica Objetivo: Familiarizar-se com o PHP, compreender suas aplica\u00e7\u00f5es e aprender a escrever e executar seu primeiro c\u00f3digo PHP. 1. O que \u00e9 PHP? PHP (Hypertext Preprocessor) \u00e9 uma linguagem de script do lado do servidor amplamente usada para desenvolvimento web. Com PHP, \u00e9 poss\u00edvel criar p\u00e1ginas din\u00e2micas, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1202,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[236,233,245,246,241,247,240,244,238,251,249,250,248,237,243,239,242,234,235],"class_list":["post-1200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-ola-mundo-php","tag-ambiente-de-desenvolvimento-php","tag-codigo-php","tag-comentarios-em-php","tag-como-aprender-php","tag-desenvolvimento-web","tag-introducao-ao-php","tag-linguagem-de-script","tag-php","tag-php-basico","tag-php-cli","tag-primeiro-codigo-php","tag-programacao-web","tag-servidor-web","tag-sintaxe-php","tag-tutorial-para-iniciantes","tag-tutorial-php","tag-wamp","tag-xampp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.5 (Yoast SEO v27.3) - 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