PHP __call and __callstatic

<span id="Label3"></p><span class="link_title"><span class="link_title">php __call and __callstatic</span></span><p><p><span style="font-size: 14px;">PHP 5.3 Adds the <span style="color: #ff0000;">__call and <span style="color: #ff0000;">__callstatic Magic METHODS. </span></span></span></p></p><p><p><span style="font-size: 14px;"><span style="color: #ff0000;">__call the __call method is called automatically when the method to invoke does not exist or has insufficient permissions.</span></span></p></p><p><p><span style="font-size: 14px;"><span style="color: #ff0000;">__callstatic the __callstatic method is called automatically when a static method that is called does not exist or has insufficient permissions.</span></span></p></p><p><p><span style="font-size: 14px;"><br></span></p></p><p><p><span style="font-size: 14px;"><strong>__call ($funcname, $arguments)</strong></span></p></p><p><p><span style="font-size: 14px;"><strong>__callstatic ($funcname, $arguments)</strong></span></p></p><p><p><span style="font-size: 14px; color: #ff0000;"><strong><br>Parameter description:</strong></span></p></p><p><p><span style="font-size: 14px;"><strong>$funcname</strong> String called by the method Name.</span></p></p><p><p><span style="font-size: 14px;"><strong>$arguments</strong> The parameter that the Array takes when calling the Method.</span></p></p><p><p><br></p></p><p><p><strong><span style="font-size: 14px; color: #ff0000;">__call Example</span></strong></p></p><strong><strong>[php]</strong></strong>View Plaincopy <ol class="dp-c" start="1"> <li class="alt"><li class="alt"><?php</li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">Class member{</span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">protected <span class="vars">$memberdata = <span class="keyword">array (); </span></span></span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">Public <span class="keyword">function __call (<span class="vars">$func, <span class="vars">$arguments) {</span> </span> </span> </span></li></li> <li><li>List (<span class="vars">$type, <span class="vars">$name) = <span class="func">Explode (<span class="string">' _ ', <span class="vars">$func); </span></span></span></span></span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">if (!in_array (<span class="vars">$type, <span class="keyword">Array (<span class="string">' Set ',<span class="string">' Get ')) | | <span class="vars">$name = =<span class="string">") {</span> </span> </span> </span> </span> </span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">return <span class="string">'; </span></span></li></li> <li><li>}</li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">switch (<span class="vars">$type) {</span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">case <span class="string">' Set ':</span> </span></li></li> <li><li><span class="vars">$this->memberdata[<span class="vars">$name] = <span class="vars">$arguments [0]; </span></span></span></li></li> <li class="alt"><li class="alt">break <span class="keyword">; </span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">case <span class="string">' Get ':</span> </span></li></li> <li><li><span class="keyword">return isset (<span class="vars">$this->memberdata[<span class="vars">$name])?  <span class="vars">$this->memberdata[<span class="vars">$name]: <span class="string">"; </span></span></span></span></span></span></li></li> <li class="alt"><li class="alt">break <span class="keyword">; </span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">default:</span></li></li> <li><li>}</li></li> <li class="alt"><li class="alt"></li></li> <li><li>}</li></li> <li class="alt"><li class="alt"></li></li> <li><li>}</li></li> <li class="alt"><li class="alt"></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">Class User <span class="keyword">extends member{</span></span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">public <span class="keyword">function show () {</span> </span></li></li> <li><li><span class="keyword">if (<span class="vars">$this->memberdata) {</span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">foreach (<span class="vars">$this->memberdata <span class="keyword">as <span class="vars">$key = +<span class="vars">$member) {</span> </span> </span> </span> </span></li></li> <li><li><span class="func">echo <span class="vars">$key.<span class="string">': '. <span class="vars"> $member.  <span class="string">' <br> '; </span></span></span></span></span></li></li> <li class="alt"><li class="alt">}</li></li> <li><li>}</li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">Class profession <span class="keyword">extends member{</span></span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">public <span class="keyword">function show () {</span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">if (<span class="vars">$this->memberdata) {</span> </span></li></li> <li><li><span class="keyword">foreach (<span class="vars">$this->memberdata <span class="keyword">as <span class="vars">$key = +<span class="vars">$member) {</span> </span> </span> </span> </span></li></li> <li class="alt"><li class="alt"><span class="func">echo <span class="vars">$key.<span class="string">': '. <span class="vars"> $member.  <span class="string">' <br> '; </span></span></span></span></span></li></li> <li><li>}</li></li> <li class="alt"><li class="alt">}</li></li> <li><li>}</li></li> <li class="alt"><li class="alt"></li></li> <li><li>}</li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="vars">$userobj = <span class="keyword">new User (); </span></span></li></li> <li class="alt"><li class="alt"><span class="vars">$userobj->set_name (<span class="string">' Fdipzone '); </span></span></li></li> <li><li><span class="vars">$userobj->set_age (29);</span></li></li> <li class="alt"><li class="alt"><span class="vars">$userobj->show ();</span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="vars">$probj = <span class="keyword">New Profession (); </span></span></li></li> <li><li><span class="vars">$probj->set_profession (<span class="string">' IT SERVICE '); </span></span></li></li> <li class="alt"><li class="alt"><span class="vars">$probj->set_price (2500);</span></li></li> <li><li><span class="vars">$probj->show ();</span></li></li> <li class="alt"><li class="alt"></li></li> <li><li>?></li></li> </ol><p><p><span style="font-size: 14px; color: #ff0000;"><strong>__callstatic Example</strong></span></p></p><strong><strong>[php]</strong></strong>View Plaincopy <ol class="dp-c" start="1"> <ol class="dp-c" start="1"> <li class="alt"><li class="alt"><?php</li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">Class member{</span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">protected <span class="keyword">static <span class="vars">$memberdata = <span class="keyword">array (); </span></span></span></span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">public <span class="keyword">static <span class="keyword">function __callstatic (<span class="vars">$func, <span class="vars">$arguments) {</span> </span> </span> </span> </span></li></li> <li><li></li></li> <li class="alt"><li class="alt">List (<span class="vars">$type, <span class="vars">$name) = <span class="func">Explode (<span class="string">' _ ', <span class="vars">$func); </span></span></span></span></span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">if (!in_array (<span class="vars">$type, <span class="keyword">Array (<span class="string">' Set ',<span class="string">' Get ')) | | <span class="vars">$name = =<span class="string">") {</span> </span> </span> </span> </span> </span> </span></li></li> <li><li><span class="keyword">return <span class="string">'; </span></span></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="vars">$feature = Get_called_class (); </span></li></li> <li><li></li></li> <li class="alt"><li class="alt"><span class="keyword">switch (<span class="vars">$type) {</span> </span></li></li> <li><li><span class="keyword">case <span class="string">' Set ':</span> </span></li></li> <li class="alt"><li class="alt">self::<span class="vars">$memberdata [<span class="vars">$feature] [<span class="vars">$name] = <span class="vars">$arguments [0]; </span></span></span></span></li></li> <li><li>break <span class="keyword">; </span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">case <span class="string">' Get ':</span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">return isset (self::<span class="vars">$memberdata [<span class="vars">$feature] [<span class="vars">$name])? self::<span class="vars">$memberdata [<span class="vars">$feature<span class="vars">] [$name]  : <span class="string">"; </span></span></span></span></span></span></span></span></li></li> <li><li>break <span class="keyword">; </span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">default:</span></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">Class User <span class="keyword">extends member{</span></span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">public <span class="keyword">static <span class="keyword">function show () {</span> </span> </span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="vars">$feature = Get_called_class (); </span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">if (self::<span class="vars">$memberdata [<span class="vars">$feature]) {</span> </span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">foreach (self::<span class="vars">$memberdata [<span class="vars">$feature] <span class="keyword">as <span class="vars">$key = =<span class="vars">$member) {</span> </span> </span> </span> </span> </span></li></li> <li><li><span class="func">echo <span class="vars">$key.<span class="string">': '. <span class="vars"> $member.  <span class="string">' <br> '; </span></span></span></span></span></li></li> <li class="alt"><li class="alt">}</li></li> <li><li>}</li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">Class profession <span class="keyword">extends member{</span></span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">public <span class="keyword">static <span class="keyword">function show () {</span> </span> </span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="vars">$feature = Get_called_class (); </span></li></li> <li class="alt"><li class="alt"></li></li> <li><li><span class="keyword">if (self::<span class="vars">$memberdata [<span class="vars">$feature]) {</span> </span> </span></li></li> <li class="alt"><li class="alt"><span class="keyword">foreach (self::<span class="vars">$memberdata [<span class="vars">$feature] <span class="keyword">as <span class="vars">$key = =<span class="vars">$member) {</span> </span> </span> </span> </span> </span></li></li> <li><li><span class="func">echo <span class="vars">$key.<span class="string">': '. <span class="vars"> $member.  <span class="string">' <br> '; </span></span></span></span></span></li></li> <li class="alt"><li class="alt">}</li></li> <li><li>}</li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt">}</li></li> <li><li></li></li> <li class="alt"><li class="alt">User::set_name (<span class="string">' Fdipzone '); </span></li></li> <li><li>User::set_age (29);</li></li> <li class="alt"><li class="alt">User::show ();</li></li> <li><li></li></li> <li class="alt"><li class="alt">Profession::set_profession (<span class="string">' IT SERVICE '); </span></li></li> <li><li>Profession::set_price (2500);</li></li> <li class="alt"><li class="alt">Profession::show ();</li></li> <li><li></li></li> <li class="alt"><li class="alt">?></li></li> </ol> </ol><p><p>PHP __call and __callstatic</p></p></span>