stristr
STRST insensible à la cas
Trouvez la première occurrence de "monde" dans "Hello World!" et renvoyez le reste de la chaîne:
<span class="token php language-php"><span class="token delimiter important"><? Php</span> <span class="token keyword">Echo</span> <span class="token function">Strstr</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello World!"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Monde"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
Recherchez la chaîne avec la valeur ASCII de "O" et renvoyez le reste de la chaîne:
<span class="token php language-php"><span class="token delimiter important"><? Php</span> <span class="token keyword">Echo</span> <span class="token function">Strstr</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello World!"</span> <span class="token punctuation">,</span> <span class="token number">111</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
Renvoie la partie de la chaîne avant la première occurrence de "monde":
<span class="token php language-php"><span class="token delimiter important"><? Php</span> <span class="token keyword">Echo</span> <span class="token function">Strstr</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello World!"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Monde"</span> <span class="token punctuation">,</span> <span class="token constant boolean">vrai</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>