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83 lines
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HTML
83 lines
5.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Create a new paradox object</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.px-new" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">px_new</h1>
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<p class="verinfo">(PECL paradox >= 1.0.0)</p><p class="refpurpose"><span class="refname">px_new</span> — <span class="dc-title">Create a new paradox object</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.px-new-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>px_new</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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Create a new paradox object. You will have to call this function before any
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further functions. <span class="function"><strong>px_new()</strong></span> does not create any file on
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the disk, it just creates an instance of a paradox object. This function
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must not be called if the object oriented interface is used. Use <em>new
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paradox_db()</em> instead.
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.px-new-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns <strong><code>FALSE</code></strong> on failure.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.px-new-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2468">
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<p><strong>Example #1 Opening a Paradox database</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">if(!</span><span style="color: #0000BB">$pxdoc </span><span style="color: #007700">= </span><span style="color: #0000BB">px_new</span><span style="color: #007700">()) {<br /> </span><span style="color: #FF8000">/* Error handling */<br /></span><span style="color: #007700">}<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"test.db"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br />if(!</span><span style="color: #0000BB">px_open_fp</span><span style="color: #007700">(</span><span style="color: #0000BB">$pxdoc</span><span style="color: #007700">, </span><span style="color: #0000BB">$fp</span><span style="color: #007700">)) {<br /> </span><span style="color: #FF8000">/* Error handling */<br /></span><span style="color: #007700">}<br /></span><span style="color: #FF8000">// ...<br /></span><span style="color: #0000BB">px_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$pxdoc</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">px_delete</span><span style="color: #007700">(</span><span style="color: #0000BB">$pxdoc</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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<p class="para">
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If you prefer the object oriented API, then the above example will look
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like the following.
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<div class="example" id="example-2469">
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<p><strong>Example #2 Opening a Paradox database</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"test.db"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$pxdoc </span><span style="color: #007700">= new </span><span style="color: #0000BB">paradox_db</span><span style="color: #007700">();<br />if(!</span><span style="color: #0000BB">$pxdoc</span><span style="color: #007700">-></span><span style="color: #0000BB">open_fp</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">)) {<br /> </span><span style="color: #FF8000">/* Error handling */<br /></span><span style="color: #007700">}<br /></span><span style="color: #FF8000">// ...<br /></span><span style="color: #0000BB">$pxdoc</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.px-new-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="px_delete.html" class="function" rel="rdfs-seeAlso">px_delete()</a> - Deletes resource of paradox database</span></li>
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<li class="member"><span class="function"><a href="px_open_fp.html" class="function" rel="rdfs-seeAlso">px_open_fp()</a> - Open paradox database</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |