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What are the output statements in php

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Release: 2024-04-27 14:57:31
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The output statements in PHP are used to send data to the client, mainly including echo, print, printf, var_dump and var_export.

What are the output statements in php

Output statements in PHP

PHP provides a variety of output statements for sending data to client. The most commonly used output statements include:

  • echo
  • print
  • printf
  • var_dump
  • var_export

echo

echo is the simplest output statement, which can output one or more expressions. An expression can be a variable, constant, string, or any other PHP value. echo will not return any value.

<code class="php">echo "Hello World!";</code>
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print

print is similar to echo, but it returns the number of bytes output.

<code class="php">$bytes = print("Hello World!");</code>
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printf

printf is used to format output. It uses the same format string as the C language printf function.

<code class="php">printf("My name is %s and my age is %d.", "John", 30);</code>
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var_dump

var_dump is used for debugging purposes. It displays the contents of a variable, including its type, value, and memory address.

<code class="php">var_dump($myVariable);</code>
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var_export

var_export is similar to var_dump, but it returns a PHP code representation of the variable contents.

<code class="php">$myCode = var_export($myVariable);</code>
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