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82 lines
1.5 KiB
PHP
82 lines
1.5 KiB
PHP
--TEST--
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Test array_map() function : usage variations - array with references
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--FILE--
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<?php
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/* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
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* Description: Applies the callback to the elements of the given arrays
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* Source code: ext/standard/array.c
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*/
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/*
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* Test array_map() by passing array having reference values for $arr1 argument
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*/
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echo "*** Testing array_map() : array with references for 'arr1' argument ***\n";
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function callback1($a)
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{
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return ($a);
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}
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function callback_cat($a, $b)
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{
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return ($a . $b);
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}
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// reference variables
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$value1 = 10;
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$value2 = "hello";
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$value3 = 0;
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$value4 = &$value2;
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// array containing reference variables
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$arr1 = array(
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0 => 0,
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1 => &$value4,
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2 => &$value2,
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3 => "hello",
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4 => &$value3,
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$value4 => &$value2
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);
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echo "-- with one array --\n";
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var_dump( array_map('callback1', $arr1) );
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echo "-- with two arrays --\n";
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var_dump( array_map('callback_cat', $arr1, $arr1) );
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echo "Done";
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?>
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--EXPECT--
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*** Testing array_map() : array with references for 'arr1' argument ***
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-- with one array --
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array(6) {
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[0]=>
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int(0)
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[1]=>
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unicode(5) "hello"
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[2]=>
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unicode(5) "hello"
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[3]=>
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unicode(5) "hello"
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[4]=>
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int(0)
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[u"hello"]=>
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unicode(5) "hello"
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}
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-- with two arrays --
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array(6) {
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[0]=>
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unicode(2) "00"
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[1]=>
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unicode(10) "hellohello"
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[2]=>
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unicode(10) "hellohello"
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[3]=>
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unicode(10) "hellohello"
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[4]=>
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unicode(2) "00"
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[5]=>
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unicode(10) "hellohello"
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}
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Done
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