mirror of
https://github.com/EGroupware/egroupware.git
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306 lines
7.9 KiB
PHP
Executable File
306 lines
7.9 KiB
PHP
Executable File
<?php
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/**************************************************************************\
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* phpGroupWare API - PHP3 Compatibility layer *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Mark Peters <skeeter@phpgroupware.org> *
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* and Miles Lott <milosch@phpgroupware.org> *
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* and Jason Wies <Zone@phpgroupware.org> *
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* Has replications of PHP4 only functions to allow for transparent PHP3 *
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* compatibility *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* -------------------------------------------------------------------------*
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* This library is part of the phpGroupWare API *
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* http://www.phpgroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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/* array_keys (PHP 4 >= 4.0.0)
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* array array_keys (array input, mixed [search_value])
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* array_keys() returns the keys, numeric and string, from the input array.
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*/
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function array_keys($arr, $term='')
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{
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$t = array();
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while(list($k,$v) = each($arr))
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{
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if($term && $v != $term)
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{
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continue;
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$t[] = $k;
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}
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return $t;
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}
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}
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/* array_merge (PHP 4 >= 4.0.0)
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* array array_merge (array array1, array array2 [, array ...])
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* array_merge() merges the elements of two or more arrays together so that the values
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* of one are appended to the end of the previous one. It returns the resulting array.
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*/
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function array_merge($array1, $array2, $array3='', $array4='', $array5='', $array6='', $array7='', $array8='', $array9='', $array10='')
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{
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$rarray = array();
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for($i = 1; $i <= 10; $i++)
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{
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$this_array = ${'array' . $i};
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if(is_array($this_array))
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{
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reset($this_array);
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while(list($key,$value) = each($this_array))
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{
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if(is_int($key))
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{
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$rarray[] = $value;
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}
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else
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{
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$rarray[$key] = $value;
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}
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}
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}
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}
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return $rarray;
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}
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/* array_pop (PHP 4 >= 4.0.0)
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* mixed array_pop (array array)
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* array_pop() pops and returns the last value of the array, shortening the array by
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* one element. If array is empty (or is not an array), NULL will be returned.
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*/
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function array_pop(&$array)
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{
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if(!is_array($array) || @count($array) == 0)
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{
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return NULL;
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}
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reset($array);
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$rtrn = array();
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$i = count($array) + 1;
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while(list($key,$value) = each($array))
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{
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$i--;
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if($i == 1)
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{
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$last = $value;
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}
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else
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{
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$rtrn[$key] = $value;
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}
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}
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$array = $rtrn;
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return $last;
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}
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/* array_push
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* int array_push (array array, mixed var [, mixed ...])
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* array_push() treats array as a stack, and pushes the passed variables onto the end
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* of array. The length of array increases by the number of variables pushed. Has the
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* same effect as '$array[] = $var;' repeated for each var.
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*/
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/*
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function array_push()
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{
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}
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*/
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/* array_reverse (PHP 4 >= 4.0.0)
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* array array_reverse (array array [, bool preserve_keys])
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* array_reverse() takes input array and returns a new array with the order of the
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* elements reversed, preserving the keys if preserve_keys is TRUE.
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* Note: The second parameter was added in PHP 4.0.3.
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*/
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/*
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function array_reverse ($array, $preserve_keys = False)
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{
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for(list($key,$value) = @end($array); list($key,$value) = @prev($array); )
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{
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$temp_array[$key] = $value;
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}
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return $temp_array;
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}
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*/
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/* array_search (PHP 4 >= 4.0.5)
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* mixed array_search (mixed needle, array haystack [, bool strict])
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* Searches haystack for needle and returns the key if it is found in the array, FALSE
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* otherwise.
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*/
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function array_search($needle, $haystack, $strict=False)
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{
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@reset($haystack);
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while(list($key,$value) = each($haystack))
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{
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if($haystack[$key]==$needle && (!$strict || gettype($haystack[$key])==gettype($needle)))
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{
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return $key;
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}
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}
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return False;
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}
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/* array_shift (PHP 4 >= 4.0.0)
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* mixed array_shift (array array)
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* array_shift() shifts the first value of the array off and returns it, shortening the
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* array by one element and moving everything down. If array is empty (or is not an
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* array), NULL will be returned.
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*/
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function array_shift(&$array)
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{
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if(!is_array($array) || @count($array) == 0)
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{
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return NULL;
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}
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reset($array);
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$rtrn = array();
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$i = 0;
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while(list($key,$value) = each($array))
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{
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$i++;
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if($i == 1)
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{
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$one = $value;
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}
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else
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{
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$rtrn[$key] = $value;
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}
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}
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$array = $rtrn;
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return $one;
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}
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/* array_unique (PHP 4)
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* array array_unique (array array)
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* array_unique() takes input array and returns a new array without duplicate values.
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*/
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function array_unique ($array)
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{
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reset($array);
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$reversed_array = Array();
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while(list($key,$value) = each($array))
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{
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if(!isset($reversed_array[$value]))
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{
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$reversed_array[$value] = $key;
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}
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}
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@unset($key);
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@unset($value);
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while(list($key,$value) = each($reversed_array))
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{
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$new_array[$key] = $value;
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}
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return $new_array;
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}
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/* array_unshift (PHP 4 >= 4.0.0)
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* int array_unshift (array array, mixed var, mixed [...])
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* array_unshift() prepends passed elements to the front of the array. Note that the
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* list of elements is prepended as a whole, so that the prepended elements stay in the
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* same order. Returns the new number of elements in the array.
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*/
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/*
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function array_unshift()
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{
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}
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*/
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/* in_array (PHP 4 >= 4.0.0)
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* bool in_array (mixed needle, array haystack [, bool strict])
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* Searches haystack for needle and returns TRUE if it is found in the array, FALSE
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* otherwise.
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*/
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function in_array($needle, $haystack, $strict = False)
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{
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if(is_array($haystack) && count($haystack))
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{
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for(@reset($haystack); $x=each($haystack); )
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{
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if($needle==$x[1] && (!$strict || gettype($needle)==gettype($x[1])))
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{
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return True;
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}
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}
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return False;
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}
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}
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/* is_bool (PHP 4 >= 4.0.0)
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* bool is_bool (mixed var)
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* is_bool -- Finds out whether a variable is a boolean
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*/
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function is_bool($var)
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{
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$retval = gettype($var);
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if(strcmp($retval,'unknown type') == 0)
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{
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/* Chances are that we have a boolean */
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if($var == True || $var == False)
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{
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return True;
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}
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else
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{
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return False;
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}
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}
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else
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{
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return False ;
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}
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}
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function print_r($array)
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{
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if(gettype($array)=="array")
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{
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echo '<ul>';
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while(list($index, $subarray) = each($array) )
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{
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echo '<li>'.$index.' <code>=></code>';
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print_r($subarray);
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echo '</li>';
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}
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echo '</ul>';
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}
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else
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{
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echo $array;
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}
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}
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/* str_repeat (PHP 4 >= 4.0.0)
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* string str_repeat (string input, int multiplier)
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* Returns input_str repeated multiplier times. multiplier has to be greater than 0.
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*/
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function str_repeat($input,$multiplier)
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{
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for($i=0,$output='';$i<$multiplier;$i++)
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{
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$output .= $input;
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}
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return $output;
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}
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?>
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