Online PHP editor | rfc for nrasi

@ 2016-06-22T14:03:10Z

<?php

class AreAnagrams {
	public static function areStringsAnagrams($a, $b) {
		$a_arr = str_split(strtolower($a));
		$b_arr = str_split(strtolower($b));
		$az = range('a', 'z');
		
		foreach ($a_arr as $char) {
			if (!isset($comp_arr[$char])) {
				$comp_arr[$char] = 0;
			}
			if (in_array($char, $az)) {
				$comp_arr[$char]++;
			}
		}
		foreach ($b_arr as $b_char) {
			if (!isset($comp_arr[$b_char])) {
				return FALSE;
			}
			if (in_array($char, $az)) {
				$comp_arr[$b_char]--;
			}
		}
		if (array_sum($comp_arr) !== 0) {
			return FALSE;
		}
		return TRUE;
	}
}

echo AreAnagrams::areStringsAnagrams('neural', 'unreal') ? 'True' : 'False';

echo AreAnagrams::areStringsAnagrams('sample', 'Maples') ? 'True' : 'False';
echo AreAnagrams::areStringsAnagrams('better', 'brttee') ? 'True' : 'False';
echo AreAnagrams::areStringsAnagrams('letter to editor', 'Retorted Toilet') ? 'True' : 'False';
echo AreAnagrams::areStringsAnagrams('letter to editor', 'Delete Riot Trot') ? 'True' : 'False';
echo AreAnagrams::areStringsAnagrams('letter to editor', 'Loitered Totter') ? 'True' : 'False';

Output for git.master, git.master_jit, rfc.property-hooks: TrueTrueTrueFalseFalseFalse

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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