number_format
Format a number in a thousand separator
Format numbers:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">echo</span> <span class="token function">number_format</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"5000000"</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">number_format</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"5000000"</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">number_format</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"5000000"</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">","</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"."</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
You want to return a price: One parameter will round the number (formatted with no decimal places), and two parameters give the result you want:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$num</span> <span class="token operator">=</span> <span class="token number">4999.9</span> <span class="token punctuation">;</span> <span class="token variable">$formattedNum</span> <span class="token operator">=</span> <span class="token function">number_format</span> <span class="token punctuation">(</span> <span class="token variable">$num</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token variable">$formattedNum</span> <span class="token punctuation">;</span> <span class="token variable">$formattedNum</span> <span class="token operator">=</span> <span class="token function">number_format</span> <span class="token punctuation">(</span> <span class="token variable">$num</span> <span class="token punctuation">,</span> <span class="token number">2</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token variable">$formattedNum</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>