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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hi PHP folks,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> With the current Software development SAC covering 2D arrays as one possible data structure to use in the assessment I thought I would mention the flexibility ( or weak language type ) of PHP that allows for creativity in the data the array can hold. Eg.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><?php<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>$myarray =array('apple',55, array('plum','peach','apricot'),true,'54.56'); <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>$myarray[4]= 5*$myarray[4];<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>print_r($myarray);<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>?><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>// Note the data types in the array- string, integer, array of string, Boolean and real/float. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> PHP handles mixed data types in an array and simply adjusts the data type when an operator is applied as the example attempting to multiply 5* ’54.56’ to give 278.2 show</span><span style='color:#1F497D'>n</span><span style='color:#1F497D'> below. Notepad++ shows the data types in the highlighting it uses as shown here:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img width=656 height=117 id="Picture_x0020_13" src="cid:image003.png@01CC4E2C.5AF56160"><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Output is<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal>Array ( [0] => apple [1] => 55 [2] => Array ( [0] => plum [1] => peach [2] => apricot ) [3] => 1 [4] => 272.8<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Note the string ’54.56’ is happily multiplied by 5 to give the float/real 272.8.<o:p></o:p></p><p class=MsoNormal>The point is that a 2D array of mixed data types could happily be implemented in PHP to give a bit more meaning to a problem setting than all data to be the same.<o:p></o:p></p><p class=MsoNormal>Add a search and a sort and I believe you have met the problem complexity of the task.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Kind Regards<span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'>Kevork Krozian<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Edulists Creator Administrator<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>www.edulists.com.au<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>tel: 0419 356 034<o:p></o:p></span></p></div></div></body></html>