Online PHP editor | rfc for gcd13

@ 2017-05-23T16:11:22Z

<?php

// old and new strings
$old = "Foo \r\nFoo\r\nBar\r\nQux";
$new = "Foo\nBar\nBaz";

// convert all line endings to the same type
$old = str_replace(["\r\n", "\r"], "\n", $old);
$new = str_replace(["\r\n", "\r"], "\n", $new);

// seperate into lines
$old_lines = explode("\n", $old);
$new_lines = explode("\n", $new);

// optional: remove whitespace so spaces don't trigger falsely
array_walk($old_lines, function(&$value) {
    $value = rtrim($value);
});
array_walk($new_lines, function(&$value) {
    $value = rtrim($value);
});

// figure out which one is longer
if (count($old_lines) >= count($new_lines)) {
	$primary = $old_lines;
	$secondary = $new_lines;
} else {
	$primary = $new_lines;
	$secondary = $old_lines;
}

// compare line by line
$results = [];
foreach ($primary as $key => $value) {
	if (key_exists($key, $secondary)) {
	    if ($primary[$key] == $secondary[$key]) {
		    $results[] = "MATCH";
	    } else {
	        $results[] = "DIFFERENT";
	    }
	} else {
		$results[] = "MISSING";
	}
}

var_dump($old_lines);
var_dump($new_lines);
var_dump($results);

Output for git.master, git.master_jit, rfc.property-hooks: array(4) { [0]=> string(3) "Foo" [1]=> string(3) "Foo" [2]=> string(3) "Bar" [3]=> string(3) "Qux" } array(3) { [0]=> string(3) "Foo" [1]=> string(3) "Bar" [2]=> string(3) "Baz" } array(4) { [0]=> string(5) "MATCH" [1]=> string(9) "DIFFERENT" [2]=> string(9) "DIFFERENT" [3]=> string(7) "MISSING" }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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