is_callable

Exemple

Vérifiez si le contenu d'une variable peut être appelé en fonction:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">fonction</span> <span class="token function-definition function">test1</span> <span class="token punctuation">(</span> <span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token punctuation">}</span>

<span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Test1 est appelable:"</span> <span class="token operator">.</span> <span class="token function">is_callable</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"test1"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">écho</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 double-quoted-string">"Test2 est appelable:"</span> <span class="token operator">.</span> <span class="token function">is_callable</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"test2"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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