Online PHP editor | rfc for YvKIn

@ 2023-05-15T14:51:05Z

<?php

$its = 1e5;

$true = true;
$fals = false;
$stri = 'string';


$t = hrtime(true);
for ( $i = 0; $i++ < $its; ) {
    if ( $true );
    if ( $fals );
    if ( $stri );
}
echo 'plain : ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";

$t = hrtime(true);
for ( $i = 0; $i++ < $its; ) {
    if ( empty( $true ) );
    if ( empty( $fals ) );
    if ( empty( $stri ) );
}
echo 'empty : ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";

$t = hrtime(true);
for ( $i = 0; $i++ < $its; ) {
    if ( ! $true );
    if ( ! $fals );
    if ( ! $stri );
}
echo 'not   : ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";

$t = hrtime(true);
for ( $i = 0; $i++ < $its; ) {
    if ( ! empty( $true ) );
    if ( ! empty( $fals ) );
    if ( ! empty( $stri ) );
}
echo 'notemp: ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";

$t = hrtime(true);
for ( $i = 0; $i++ < $its; ) {
    if ( isset( $true ) );
    if ( isset( $fals ) );
    if ( isset( $stri ) );
}
echo 'isset : ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";

$t = hrtime(true);
for ( $i = 0; $i++ < $its; ) {
    if ( ! isset( $true ) );
    if ( ! isset( $fals ) );
    if ( ! isset( $stri ) );
}
echo 'notiss: ', $old = ( hrtime(true)-$t ) / 1e9, "s\n";

Output for git.master: plain : 0.000856374s empty : 0.001074404s not : 0.001347609s notemp: 0.002751705s isset : 0.000980076s notiss: 0.002072525s
Output for git.master_jit: plain : 0.000841075s empty : 0.001159023s not : 0.001499154s notemp: 0.002571665s isset : 0.00101333s notiss: 0.002041948s
Output for rfc.property-hooks: plain : 0.000661194s empty : 0.000796076s not : 0.001197069s notemp: 0.001985525s isset : 0.000994655s notiss: 0.001375727s

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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