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148 lines
3.5 KiB
PHP
148 lines
3.5 KiB
PHP
--TEST--
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Test array_walk_recursive() function : usage variations - 'input' argument as diff. associative arrays
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--FILE--
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<?php
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/* Prototype : bool array_walk_recursive(array $input, string $funcname [, mixed $userdata])
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* Description: Apply a user function to every member of an array
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* Source code: ext/standard/array.c
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*/
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/*
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* Passing 'input' argument as an associative array
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* with Numeric & string keys
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*/
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echo "*** Testing array_walk_recursive() : 'input' as an associative array ***\n";
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// callback functions
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/* Prototype : for_numeric( int $value, int $key, int $user_data)
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* Parameters : $value - value from key/value pair of the array
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* $key - key from key/value pair of the array
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* $user_data - data to be added to 'value'
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* Description : Function adds values with keys & user_data
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*/
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function for_numeric($value, $key, $user_data)
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{
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// dump the input values to see if they are
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// passed with correct type
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var_dump($key);
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var_dump($value);
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var_dump($user_data);
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echo "\n"; // new line to separate the output between each element
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}
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/* Prototype : for_string( string $value, string $key)
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* Parameters : $value - values in given input array
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* $key - keys in given input array
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* Description : Function appends key to the value
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*/
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function for_string($value, $key)
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{
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// dump the input values to see if they are
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// passed with correct type
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var_dump($key);
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var_dump($value);
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echo "\n"; // new line to separate the output between each element
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}
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/* Prototype : for_mixed( mixed $value, mixed $key)
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* Parameters : $value - values in given input array
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* $key - keys in given input array
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* Description : Function displays each element of an array with keys
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*/
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function for_mixed($value, $key)
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{
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// dump the input values to see if they are
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// passed with correct type
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var_dump($key);
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var_dump($value);
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echo "\n"; // new line to separate the output between each element
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}
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// Numeric keys
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$input = array( 0 => array(1 => 25, 5 => 12, 0 => -80), 1 => array(-2 => 100, 5 => 30));
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echo "-- Associative array with numeric keys --\n";
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var_dump( array_walk_recursive($input, "for_numeric", 10));
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// String keys
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$input = array( "a" => "Apple", 'z' => array('b' => 'Bananna', "c" => "carrot"), 'x' => array('o' => "Orange"));
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echo "-- Associative array with string keys --\n";
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var_dump( array_walk_recursive($input, "for_string"));
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// binary key
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$input = array( b"a" => "Apple", b"b" => "Banana");
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echo "-- Associative array with binary keys --\n";
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var_dump( array_walk_recursive($input, "for_string"));
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// Mixed keys - numeric/string
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$input = array( 0 => array(0 => 1, 1 => 2), "x" => array("a" => "Apple", "b" => "Banana"), 2 =>3);
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echo "-- Associative array with numeric/string keys --\n";
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var_dump( array_walk_recursive($input, "for_mixed"));
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echo "Done"
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?>
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--EXPECTF--
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*** Testing array_walk_recursive() : 'input' as an associative array ***
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-- Associative array with numeric keys --
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int(1)
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int(25)
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int(10)
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int(5)
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int(12)
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int(10)
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int(0)
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int(-80)
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int(10)
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int(-2)
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int(100)
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int(10)
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int(5)
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int(30)
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int(10)
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bool(true)
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-- Associative array with string keys --
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string(1) "a"
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string(5) "Apple"
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string(1) "b"
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string(7) "Bananna"
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string(1) "c"
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string(6) "carrot"
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string(1) "o"
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string(6) "Orange"
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bool(true)
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-- Associative array with binary keys --
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string(1) "a"
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string(5) "Apple"
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string(1) "b"
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string(6) "Banana"
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bool(true)
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-- Associative array with numeric/string keys --
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int(0)
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int(1)
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int(1)
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int(2)
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string(1) "a"
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string(5) "Apple"
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string(1) "b"
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string(6) "Banana"
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int(2)
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int(3)
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bool(true)
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Done
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