echo

Example

Example 1

Output text:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Example 2

Write the value of the string variable ($str) to the output:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$str</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Example 3

Write the value of the string variable ($str) to the output, including HTML tags:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$str</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"<br>What a nice day!"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Example 4

Concatenate two string variables:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str1</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello world!"</span> <span class="token punctuation">;</span>
<span class="token variable">$str2</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"What a nice day!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$str1</span> <span class="token operator">.</span> <span class="token string double-quoted-string">" "</span> <span class="token operator">.</span> <span class="token variable">$str2</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span> 

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Example 5

Write array values to output:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$age</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Peter"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"35"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"Peter is "</span> <span class="token operator">.</span> <span class="token variable">$age</span> <span class="token punctuation">[</span> <span class="token string single-quoted-string">&#39;Peter&#39;</span> <span class="token punctuation">]</span> <span class="token operator">.</span> <span class="token string double-quoted-string">" years old."</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Example 6

Write text to output:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"This text
spans multiple
lines."</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span> 

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Example 7

How to use multiple parameters:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token keyword">echo</span> <span class="token string single-quoted-string">&#39;This &#39;</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;string &#39;</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;was &#39;</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;made &#39;</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;with multiple parameters.&#39;</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span> 

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Example 8

The difference between single quotes and double quotes. Single quotes will output the variable name, not the value:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$color</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"red"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"Roses are <span class="token interpolation"><span class="token variable">$color</span></span> "</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string single-quoted-string">&#39;Roses are $color&#39;</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Example 9

Simplified syntax (only applicable to short_open_tag configuration settings enabled):

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$color</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"red"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation"><</span> p</span> <span class="token punctuation">></span></span> Roses are <span class="token php language-php"><span class="token delimiter important"><?=</span> <span class="token variable">$color</span> <span class="token delimiter important">?></span></span> <span class="token tag"><span class="token tag"><span class="token punctuation"></</span> p</span> <span class="token punctuation">></span></span> 

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