implode
Convert the value of a one-dimensional array into a string
Combine array elements into strings:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$arr</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string single-quoted-string">'Hello'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'World!'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'I'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'love'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'Shanghai!'</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">implode</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">" "</span> <span class="token punctuation">,</span> <span class="token variable">$arr</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
Separate array elements with different characters:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$arr</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string single-quoted-string">'Hello'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'World!'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'I'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'love'</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">'Shanghai!'</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">implode</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">" "</span> <span class="token punctuation">,</span> <span class="token variable">$arr</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">implode</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"+"</span> <span class="token punctuation">,</span> <span class="token variable">$arr</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token function">implode</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"-"</span> <span class="token punctuation">,</span> <span class="token variable">$arr</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">implode</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"X"</span> <span class="token punctuation">,</span> <span class="token variable">$arr</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>