RoadMap - PHP

Comandos de saída - Output commands


pt-br

São usados para gerar uma saída em tela (OUTPUT).

  • Linhas de comando executadas no prompt do sistema sua saída será no proprio console.
  • Linhas de comando executadas no servidor web - Apache, NGINX ou IIS sua saída será no propria pagina HTML.

en-us

They are used to generate an output on the screen (OUTPUT).

  • Command lines executed in the system prompt will be output in the console itself.
  • Command lines executed on the web server - Apache, NGINX or IIS will be output in the HTML page itself.

pt-br

echo É um comando usado para imprimir uma ou mais string na tela.

<?php
    echo 'Hello World';
?>

Output Hello World

en-US

echo Is a command used to print one or more strings to the screen.

<?php
    echo 'Hello World';
?>

Output Hello World


pt-br

var_dump Explana todo conteúdo de uma variável, mostrando toda estrutura sobre uma ou mais Expressão, incluindo o tipo e o valor

<?php
$user = [
    "fisrt_name" => "Allan",
    "last_name" => "Rodrigues"
];

var_dump($user);
?>

Output

array(2) {
    ["first_name"]=>
    string(5) "Allan"
    ["last_name"]=>
    string(9) "Rodrigues"
}
en-US

var_dump Explains the entire contents of a variable, showing the entire structure over one or more Expression, including type and value

<?php
$user = [
    "fisrt_name" => "Allan",
    "last_name" => "Rodrigues"
];

var_dump($user);
?>

Output

array(2) {
    ["first_name"]=>
    string(5) "Allan"
    ["last_name"]=>
    string(9) "Rodrigues"
}

pt-br

print_r Explana todo conteúdo de uma variável igual ao var_dump, mas em um formato mais legivel e suprimindo os dados.

<?php
$user = [
        "fisrt_name" => "Allan",
        "last_name" => "Rodrigues"
    ];

 print_r($user);
?>
Array
(
    [fisrt_name] => Allan
    [last_name] => Rodrigues
)
en-US

print_r explain all contents of a variable like var_dump, but in a more readable format and suppressing the data.

<?php
$user = [
        "fisrt_name" => "Allan",
        "last_name" => "Rodrigues"
    ];

 print_r($user);
?>
Array
(
    [fisrt_name] => Allan
    [last_name] => Rodrigues
)

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Written by

Allan Rodrigues Machado
Allan Rodrigues Machado

Hi, I'm Alan Rodrigues! Junior Backend Developer/PHP, I'm studying higher education in Computer Science, I got my first opportunity as a Junior FullStack developer, working with PHP Laminas, PostgreSQL, Composer, Git, Docker, Bootstrap 5 and Jquery. I've been studying the fundamentals of programming with a focus on PHP, and delving into Object Orientation, I have some projects ready and I'm creating a Road-Map in PHP based on my studies.