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@ 2023-09-16T15:16:06Z

<?php

class A {
    public static function test() {
        return true;
    }
}

function test() {
    static $a;
    return $a ??= new A;
}

$its = 1e3;

$test = test();

$t = hrtime(true);
for ( $i=0;$i++<$its;)
    test()->test();
echo (hrtime(true)-$t)/1e9,"s\n";

$t = hrtime(true);
for ( $i=0;$i++<$its;)
    $test->test();
echo (hrtime(true)-$t)/1e9,"s\n";

$t = hrtime(true);
for ( $i=0;$i++<$its;)
    A::test();
echo (hrtime(true)-$t)/1e9,"s\n";

echo "\n=== Warmed up ===\n\n";

$its = 1e6;

$t = hrtime(true);
for ( $i=0;$i++<$its;)
    test()->test();
echo $a=(hrtime(true)-$t)/1e9,"s\n";

$t = hrtime(true);
for ( $i=0;$i++<$its;)
    $test->test();
echo $b=(hrtime(true)-$t)/1e9,"s\n";

$t = hrtime(true);
for ( $i=0;$i++<$its;)
    A::test();
echo $c=(hrtime(true)-$t)/1e9,"s\n";

echo number_format((($a-$c)/$a) * 100, 2 ), "% faster from function\n";
echo number_format((($b-$c)/$b) * 100, 2 ), "% faster from variable\n";

Output for git.master, git.master_jit: /bin/php-git-master: error while loading shared libraries: libonig.so.5: cannot open shared object file: No such file or directory
Process exited with code 127.
Output for rfc.property-hooks: 2.8473E-5s 1.4932E-5s 1.4362E-5s === Warmed up === 0.027651334s 0.009022229s 0.009384153s 66.06% faster from function -4.01% faster from variable

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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