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--- uphp:functions:indexed_array [2017/03/27 19:43]
jeff created
+++ uphp:functions:indexed_array [2021/09/13 05:57]
@@ Line 1: / Line 1: @@
-======indexed_array======
-<badge>WMPRO, WMMINI FW >= 1.898</badge> <badge>WMMEGA FW >= 2.0</badge>
-Create an array of a specific type and size
-====Description====
-<well size="sm"><html><span style="font-size:125%;color:green;">array
-<span style="color:black;"></html>[[indexed_array]]
-<html>(
-<span style="color:green;">int
-<span style="color:blue;">$type<span style="color:black;">,
-<span style="color:green;">int
-<span style="color:blue;">$size
-<span style="color:black;">)
-</html></well>
-Create an indexed array with the specified type and number of elements. An indexed array is a more efficient way to store variables in memory if the size and data type is known beforehand. The [[array()]] function creates a hashed array, which consumes much more memory per element.
-====Parameters====
-<html><span style="color:blue;"><b>type</b><span style="color:black;"></html>:  1=byte, 2=short, 3=int, 4=float
-  * Type 1: Array of bytes
-  * Type 2: Array of short integers (16 bits)
-  * Type 3: Array of 32 bit integers
-  * Type 4: Array of floating point numbers
-<html><span style="color:blue;"><b>size</b><span style="color:black;"></html>:  The number of elements in the array
-====Return Value====
-Indexed array
-====Example====
-<code php>
-<?
-  $arr=indexed_array(1,100); // create an array of 100 bytes
-?>
-</code>
-====Note====
-There are no named keys in an indexed array, all elements are referenced by the index number. The first element is index=0, and the last element is index=<html><span style="color:blue;">$size<span style="color:black;"></html>-1.
-====See Also====
-[[array()]] - Create an array with values
-[[uphp:variables|uPHP Variable Types and Limits]]

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