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53 lines
1.0 KiB
PHP
53 lines
1.0 KiB
PHP
--TEST--
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Test array_map() function : usage variations - with recursive callback
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--FILE--
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<?php
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/* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
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* Description: Applies the callback to the elements of the given arrays
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* Source code: ext/standard/array.c
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*/
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/*
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* Test array_map() by passing subarrays and recursive callback function
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*/
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echo "*** Testing array_map() : recursive callback function ***\n";
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// callback function
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function square_recur_single_array($var) {
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if (is_array($var))
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return array_map('square_recur_single_array', $var);
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return $var * $var;
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}
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$array1 = array(1, array(2, 3, array(5)), array(4));
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var_dump( array_map('square_recur_single_array', $array1));
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echo "Done";
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?>
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--EXPECT--
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*** Testing array_map() : recursive callback function ***
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array(3) {
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[0]=>
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int(1)
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[1]=>
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array(3) {
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[0]=>
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int(4)
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[1]=>
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int(9)
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[2]=>
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array(1) {
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[0]=>
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int(25)
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}
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}
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[2]=>
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array(1) {
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[0]=>
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int(16)
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}
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}
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Done
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