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POPHP - How to sort the same array multiple times?
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  1. POPHP - How to sort the same array multiple times?
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    copied!<p>I am trying to make a simple script that will first put an array() into function so I can call on it multiple times to sort. Here is what my array looks like:</p> <pre><code>// I want this inside of a function so I can call on it: $a = array( 15 =&gt; "C", 12 =&gt; "E", 11 =&gt; "B", 19 =&gt; "P", 10 =&gt; "L", 14 =&gt; "N", 20 =&gt; "A" ); // This is how I brought it into a function and formatted it: function original_array($a){ foreach($a as $key =&gt; $types) { print $key . " " . ":" . " " . $types . "&lt;br /&gt;"; } } </code></pre> <p>I then just have to call original_array() and it prints out fine, but if I sort it once I cant sort it again. It will just print out the first sort:</p> <pre><code>// Print out array is is: original_array(); // Then I print out array with sort(): sort($a); original_array($a); // But if I try and sort it again with different sort it doesn't work: ksort($a); original_array($a); </code></pre> <p>What am I doing wrong? I am somewhat new to PHP so your help is greatly appreciated. </p> <p><strong>UPDATE://</strong></p> <p>This is what I ended up doing. I should have read up on sort function a little more thoroughly. I was unaware that it destroyed the original pointers.</p> <pre><code>&lt;?php // Original array: $a = array( 15 =&gt; "C", 12 =&gt; "E", 11 =&gt; "B", 19 =&gt; "P", 10 =&gt; "L", 14 =&gt; "N", 20 =&gt; "A" ); // Array for sort() function: $b = $a function print_format($array){ foreach($array as $key =&gt; $types) { print $key . " " . "=&gt;" . " " . $types . "&lt;br /&gt;"; } } print "Original"; print_format($a); print "sort()"; sort($b); print_format($b); print "ksort()"; ksort($a); print_format($a); print "asort()"; asort($a); print_format($a); print "krsort()"; krsort($a); print_format($a); print "rsort()"; rsort($b); print_format($b); print "arsort()"; arsort($a); print_format($a); ?&gt; </code></pre>
 

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