strcmp
バイナリセーフストリングの比較
2つの文字列を比較します(ケースセンシティブ):
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">Echo</span> <span class="token function">Strcmp</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">"Hello World!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
2つの文字列を比較する(ケースセンシティブ、こんにちは、ハロー出力は異なります):
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">Echo</span> <span class="token function">strcmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"hello"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"hello"</span> <span class="token punctuation">)</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 function">strcmp</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"hello"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"hello"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>
異なる返品値:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token keyword">Echo</span> <span class="token function">Strcmp</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">"Hello World!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// 2つの文字列が等しい</span> <span class="token keyword">Echo</span> <span class="token function">Strcmp</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">"hello"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// <i>string1は</i><i>string2</i>より大きくなります</span> <span class="token keyword">Echo</span> <span class="token function">Strcmp</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">"Hello World!hello!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// <i>string1</i>は<i>string2</i>未満です</span> <span class="token delimiter important">?></span></span>