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* The array "subject" of a function gets called $array. * Further parameters should be self-descriptive if used as a named parameter, and a full word, not an abbreviation. * If there is a "bunch more arrays" variadic, it gets called $arrays (because that's what was already there). * A few functions have a variadic "a bunch more arrays, and then a callable", and were already called $rest. I left those as is and died a little inside. * Any callable provided to an array function that acts on the array is called $callback. (Nearly all were already, I just fixed the one or two outliers.) * array_multisort() is beyond help so I ran screaming.
87 lines
1.9 KiB
PHP
87 lines
1.9 KiB
PHP
--TEST--
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Test array_map() function : usage variations - anonymous callback function
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--FILE--
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<?php
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/*
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* Test array_map() by passing anonymous callback function with following variations
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*/
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echo "*** Testing array_map() : anonymous callback function ***\n";
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$array1 = array(1, 2, 3);
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$array2 = array(3, 4, 5);
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echo "-- anonymous function with all parameters and body --\n";
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var_dump( array_map( function($a, $b) { return array($a, $b); }, $array1, $array2));
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echo "-- anonymous function with two parameters and passing one array --\n";
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try {
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var_dump( array_map( function($a, $b) { return array($a, $b); }, $array1));
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} catch (Throwable $e) {
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echo "Exception: " . $e->getMessage() . "\n";
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}
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echo "-- anonymous function with NULL parameter --\n";
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var_dump( array_map( function() { return NULL; }, $array1));
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echo "-- anonymous function with NULL body --\n";
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var_dump( array_map( function($a) { }, $array1));
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echo "-- passing NULL as 'array1' --\n";
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try {
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var_dump( array_map( function($a) { return array($a); }, NULL));
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} catch (TypeError $e) {
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echo $e->getMessage(), "\n";
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}
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echo "Done";
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?>
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--EXPECT--
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*** Testing array_map() : anonymous callback function ***
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-- anonymous function with all parameters and body --
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array(3) {
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[0]=>
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array(2) {
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[0]=>
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int(1)
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[1]=>
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int(3)
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}
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[1]=>
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array(2) {
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[0]=>
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int(2)
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[1]=>
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int(4)
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}
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[2]=>
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array(2) {
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[0]=>
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int(3)
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[1]=>
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int(5)
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}
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}
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-- anonymous function with two parameters and passing one array --
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Exception: Too few arguments to function {closure}(), 1 passed and exactly 2 expected
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-- anonymous function with NULL parameter --
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array(3) {
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[0]=>
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NULL
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[1]=>
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NULL
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[2]=>
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NULL
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}
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-- anonymous function with NULL body --
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array(3) {
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[0]=>
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NULL
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[1]=>
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NULL
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[2]=>
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NULL
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}
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-- passing NULL as 'array1' --
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array_map(): Argument #2 ($array) must be of type array, null given
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Done
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