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<h1>Method Modifiers</h1>
<div class="warning"><strong class="warning">Warning</strong>
<p class="para">
These semantics are only applicable to pthreads v2 - they have been removed in pthreads v3.
</p>
</div>
<p class="para">
pthreads overrides the functionality of the protected and private method modifiers in order to provide functionality more suited to multi-threaded objects.
pthreads applies this functionality to all Threaded objects from creation.
</p>
<div class="example" id="example-4527">
<p><strong>Example #1 protected method example: protected methods can only be executed by one Thread at a time.</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">ExampleThread </span><span style="color: #007700">extends </span><span style="color: #0000BB">Thread </span><span style="color: #007700">{<br /> public function </span><span style="color: #0000BB">run</span><span style="color: #007700">() {<br /> </span><span style="color: #FF8000">/* thread code */<br /> </span><span style="color: #007700">if (</span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">synchronized</span><span style="color: #007700">()) {<br /><br /> }<br /> }<br /><br /> protected function </span><span style="color: #0000BB">exclusive</span><span style="color: #007700">() {<br /> </span><span style="color: #FF8000">/* synchronized method */<br /> </span><span style="color: #007700">}<br />}<br /><br /></span><span style="color: #0000BB">$thread </span><span style="color: #007700">= new </span><span style="color: #0000BB">ExampleThread</span><span style="color: #007700">();<br />if (</span><span style="color: #0000BB">$thread</span><span style="color: #007700">-></span><span style="color: #0000BB">start</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">$thread</span><span style="color: #007700">-></span><span style="color: #0000BB">exclusive</span><span style="color: #007700">();<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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</div>
<div class="example" id="example-4528">
<p><strong>Example #2 private method example: private methods may only be executed by the Threaded object during execution</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">ExampleThread </span><span style="color: #007700">extends </span><span style="color: #0000BB">Thread </span><span style="color: #007700">{<br /> public function </span><span style="color: #0000BB">run</span><span style="color: #007700">() {<br /> </span><span style="color: #FF8000">/* thread code */<br /> </span><span style="color: #007700">if (</span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">insideonly</span><span style="color: #007700">()) {<br /><br /> }<br /> }<br /><br /> private function </span><span style="color: #0000BB">insideonly</span><span style="color: #007700">() {<br /> </span><span style="color: #FF8000">/* private method */<br /> </span><span style="color: #007700">}<br />}<br /><br /></span><span style="color: #0000BB">$thread </span><span style="color: #007700">= new </span><span style="color: #0000BB">ExampleThread</span><span style="color: #007700">();<br />if (</span><span style="color: #0000BB">$thread</span><span style="color: #007700">-></span><span style="color: #0000BB">start</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">$thread</span><span style="color: #007700">-></span><span style="color: #0000BB">insideonly</span><span style="color: #007700">();<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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